Based on ESP32-S3, Supports WiFi / Bluetooth, Onboard RS485 / Pico HAT interfaces
Built-in protection circuits such as power isolation and optocoupler isolation, Safe & Stable & Reliable
Features
Based on ESP32-S3 microcontroller with Xtensa 32-bit LX7 dual-core processor, capable of running at 240 MHz
Integrated 2.4GHz Wi-Fi and Bluetooth LE dual-mode wireless communication, with superior RF performance
High quality relay, contact rating: ≤10A 250VAC/30VDC
Onboard isolated RS485 interface, for connecting to various RS485 Modbus industrial modules or sensors
Onboard 40PIN header compatible with some Raspberry Pi Pico HAT, for expanding more functions such as RTC / CAN / RS232 / LoRa / sensor, etc.
Onboard USB Type-C port for power supply, firmware downloading and debugging
Onboard power supply screw terminal, supports 7~36V wide voltage input, suitable for industrial applications
Onboard optocoupler isolation to prevent interference from external high-voltage circuit connected to the relay
Onboard digital isolation to prevent interference from external signal
Onboard unibody power supply isolation, providing stable isolated voltage, no extra power supply required for the isolated terminal
Built in buzzer, RGB colorful LED, power supply and RS485 TX/RX indicators for monitoring the operating status of the module
Rail-mounted ABS case, easy to install, safe to use
Specifications
Microcontroller
ESP32-S3 (Default module: ESP32-S3-WROOM-1U-N8, customizable for other modules)
Wireless communicatoin
2.4GHz WiFi (802.11 b/g/n)、Bluetooth 5, BLE
USB
Connector
USB Type-C
Power supply
5V
Functions
Power supply, USB communication, firmware downloading, etc.
ISOLATED RS485
Connector
Screw terminal
Direction control
Hardware automatic control
Protection
TVS diode, surge protection & ESD protection
Resistor
Onboard reserved 120R matching resistor, NC by default, enabled via jumper
Expanded interface
Onboard 40PIN header compatible with some Raspberry Pi Pico HAT, easy to expand other functions such as RTC / CAN / RS232 / LoRa / sensor, etc
Relay
Contact rating
≤10A 250VAC/30VDC
Relay channels
6
Contact form
1NO 1NC
Isolation
Optocoupler isolation
LED indicators
RGB
RGB colorful LED, supports programmable control for display color
PWR
Red power indicator, lights up when there is USB connection and voltage is detected
TXD
Green TX indicator, lights up when the RS485 port sends data
RXD
Blue RX indicator, lights up when the device port sends data back
power supply Screw terminal
Voltage range
7~36V
Appearance
Enclosure
Rail-mount ABS protective case
Dimensions
145 × 90 × 30mm
Based on ESP32-S3, Designed for AIoT market
Equipped with Xtensa 32-bit LX7 dual-core processor, capable of running at 240 MHz, with Powerful AI Computing Performance and Security Encryption Mechanism; Integrated 2.4GHz Wi-Fi and Bluetooth LE dual-mode wireless communication
Onboard multiple isolation protection circuit
Multiple protections, more safe and reliable
High quality 6-Ch relays, supports RS485 and Bluetooth / WIFi remote control
Contact rating of the onboard relay up to 10A 250VAC/30VDC Directly controlling 220VAC home appliances, or devices below 30VDC
Onboard Pico HAT compatible interface and RS485 interface for easy expansion
Onboard isolated RS485 interface, for connecting to various RS485 Modbus industrial modules or sensors. Onboard 40PIN header compatible with some Raspberry Pi Pico HAT, for expanding more functions such as RTC / CAN / RS232 / LoRa / sensor, etc.
Supports Arduino, Micropython development
Comprehensive SDK, Dev Resources, And Tutorials To Help You Easily Get Started
Application Examples
Provides Multiple Networking Demos With Waveshare.Cloud, Using The Lightweight MQTT Protocol To Achieve Data Visualization Service
What's On Board
ESP32-S3 up to 240MHz operating frequency, with 2.4GHz WiFi and BLE
6-channel quality relays contact rating per channel: ≤10A 250V AC or ≤10A 30V DC
Optocoupler isolation prevents interference from external high-voltage circuit connected to the relay
Digital isolation prevents interference from external signal
Power supply isolation provides stable isolated voltage, needs no extra power supply for the isolated terminal
TVS diode effectively suppresses surge voltage and transient spike voltage in the circuit
Ceramic gas discharge tube
Relay screw terminals for connecting with user devices
40PIN Raspberry Pi Pico HAT header
RS485 bus interface for connecting to external RS485 devices
Power supply screw terminal Supports DC 7~36V wide voltage input
LED indicators PWR: power indicator RXD: RS485 RX indicator TXD: RS485 TX indicator
WS2812 RGB LED controllable via GPIO38
USB Type-C connector for module power supply, firmware downloading and USB communication
Passive buzzer sound frequency is controllable via GPIO21
ESP32 RESET button
ESP32 BOOT button
External antenna connector SMA female connector, for WiFi and Bluetooth wireless communication
{"id":9594906083645,"title":"Industrial 6-Channel ESP32-S3 WiFi Relay Module, Supports WiFi \/ Bluetooth \/ RS485 control, Onboard RS485 \/ Pico HAT interfaces","handle":"industrial-esp32-s3-relay-module","description":"\u003cdiv class=\"pdT\" style=\"text-align: center;\"\u003e\n\u003ch1 class=\"richTitle\" style=\"text-align: center;\"\u003eIndustrial 6-Ch ESP32-S3 WiFi Relay Module\u003c\/h1\u003e\n\u003ch3 class=\"hilitBlock3 round1234\" style=\"text-align: center;\"\u003e\u003cspan style=\"color: rgb(194, 0, 0);\"\u003eBased on ESP32-S3, Supports WiFi \/ Bluetooth, Onboard RS485 \/ Pico HAT interfaces\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp class=\"richDesc\" style=\"text-align: center;\"\u003e\u003cstrong\u003eBuilt-in protection circuits such as power isolation and optocoupler isolation, Safe \u0026amp; Stable \u0026amp; Reliable\u003c\/strong\u003e\u003c\/p\u003e\n\u003cimg src=\"https:\/\/www.waveshare.com\/img\/devkit\/accBoard\/ESP32-S3-Relay-6CH\/ESP32-S3-Relay-6CH-details-1.jpg\" style=\"margin-bottom: 16px; float: none;\"\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"pdT\"\u003e\n\u003ch2 class=\"richTitle\"\u003e \u003c\/h2\u003e\n\u003ch2 class=\"richTitle\"\u003eFeatures\u003c\/h2\u003e\n\u003cdiv class=\"alignl pdTRBL\"\u003e\n\u003cul\u003e\n\u003cli\u003eBased on ESP32-S3 microcontroller with Xtensa 32-bit LX7 dual-core processor, capable of running at 240 MHz\u003c\/li\u003e\n\u003cli\u003eIntegrated 2.4GHz Wi-Fi and Bluetooth LE dual-mode wireless communication, with superior RF performance\u003c\/li\u003e\n\u003cli\u003eHigh quality relay, contact rating: ≤10A 250VAC\/30VDC\u003c\/li\u003e\n\u003cli\u003eOnboard isolated RS485 interface, for connecting to various RS485 Modbus industrial modules or sensors\u003c\/li\u003e\n\u003cli\u003eOnboard 40PIN header compatible with some Raspberry Pi Pico HAT, for expanding more functions such as RTC \/ CAN \/ RS232 \/ LoRa \/ sensor, etc.\u003c\/li\u003e\n\u003cli\u003eOnboard USB Type-C port for power supply, firmware downloading and debugging\u003c\/li\u003e\n\u003cli\u003eOnboard power supply screw terminal, supports 7~36V wide voltage input, suitable for industrial applications\u003c\/li\u003e\n\u003cli\u003eOnboard optocoupler isolation to prevent interference from external high-voltage circuit connected to the relay\u003c\/li\u003e\n\u003cli\u003eOnboard digital isolation to prevent interference from external signal\u003c\/li\u003e\n\u003cli\u003eOnboard unibody power supply isolation, providing stable isolated voltage, no extra power supply required for the isolated terminal\u003c\/li\u003e\n\u003cli\u003eBuilt in buzzer, RGB colorful LED, power supply and RS485 TX\/RX indicators for monitoring the operating status of the module\u003c\/li\u003e\n\u003cli\u003eRail-mounted ABS case, easy to install, safe to use\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003ch2 class=\"richTitle\"\u003e \u003c\/h2\u003e\n\u003ch2 class=\"richTitle\"\u003eSpecifications\u003c\/h2\u003e\n\u003ctable style=\"width: 70%;\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eMicrocontroller\u003c\/th\u003e\n\u003ctd colspan=\"2\"\u003eESP32-S3 (Default module: ESP32-S3-WROOM-1U-N8, customizable for other modules)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eWireless communicatoin\u003c\/th\u003e\n\u003ctd colspan=\"2\"\u003e2.4GHz WiFi (802.11 b\/g\/n)、Bluetooth 5, BLE\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth rowspan=\"3\"\u003eUSB\u003c\/th\u003e\n\u003ctd\u003eConnector\u003c\/td\u003e\n\u003ctd\u003eUSB Type-C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower supply\u003c\/td\u003e\n\u003ctd\u003e5V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFunctions\u003c\/td\u003e\n\u003ctd\u003ePower supply, USB communication, firmware downloading, etc.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth rowspan=\"4\"\u003eISOLATED RS485\u003c\/th\u003e\n\u003ctd\u003eConnector\u003c\/td\u003e\n\u003ctd\u003eScrew terminal\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDirection control\u003c\/td\u003e\n\u003ctd\u003eHardware automatic control\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProtection\u003c\/td\u003e\n\u003ctd\u003eTVS diode, surge protection \u0026amp; ESD protection\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eResistor\u003c\/td\u003e\n\u003ctd\u003eOnboard reserved 120R matching resistor, NC by default, enabled via jumper\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eExpanded interface\u003c\/th\u003e\n\u003ctd colspan=\"2\"\u003eOnboard 40PIN header compatible with some Raspberry Pi Pico HAT, easy to expand other functions such as RTC \/ CAN \/ RS232 \/ LoRa \/ sensor, etc\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth rowspan=\"4\"\u003eRelay\u003c\/th\u003e\n\u003ctd\u003eContact rating\u003c\/td\u003e\n\u003ctd\u003e≤10A 250VAC\/30VDC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRelay channels\u003c\/td\u003e\n\u003ctd\u003e6\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eContact form\u003c\/td\u003e\n\u003ctd\u003e1NO 1NC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eIsolation\u003c\/td\u003e\n\u003ctd\u003eOptocoupler isolation\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth rowspan=\"4\"\u003eLED indicators\u003c\/th\u003e\n\u003ctd\u003eRGB\u003c\/td\u003e\n\u003ctd\u003eRGB colorful LED, supports programmable control for display color\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePWR\u003c\/td\u003e\n\u003ctd\u003eRed power indicator, lights up when there is USB connection and voltage is detected\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTXD\u003c\/td\u003e\n\u003ctd\u003eGreen TX indicator, lights up when the RS485 port sends data\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRXD\u003c\/td\u003e\n\u003ctd\u003eBlue RX indicator, lights up when the device port sends data back\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003epower supply Screw terminal\u003c\/th\u003e\n\u003ctd\u003eVoltage range\u003c\/td\u003e\n\u003ctd\u003e7~36V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth rowspan=\"2\"\u003eAppearance\u003c\/th\u003e\n\u003ctd\u003eEnclosure\u003c\/td\u003e\n\u003ctd\u003eRail-mount ABS protective case\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003e145 × 90 × 30mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cdiv class=\"pdT\" style=\"text-align: center;\"\u003e\n\u003ch2 class=\"richTitle\" style=\"text-align: center;\"\u003eBased on ESP32-S3, Designed\u003cbr\u003efor AIoT market\u003c\/h2\u003e\n\u003cp class=\"richDesc\" style=\"text-align: center;\"\u003eEquipped with Xtensa 32-bit LX7 dual-core processor, capable of running at 240 MHz, with Powerful AI Computing Performance and Security Encryption Mechanism; Integrated 2.4GHz Wi-Fi and Bluetooth LE dual-mode wireless communication\u003c\/p\u003e\n\u003cimg src=\"https:\/\/www.waveshare.com\/img\/devkit\/accBoard\/ESP32-S3-Relay-6CH\/ESP32-S3-Relay-6CH-details-3.jpg\" style=\"margin-bottom: 16px; float: none;\"\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"pdT\" style=\"text-align: center;\"\u003e\n\u003ch2 class=\"richTitle\" style=\"text-align: center;\"\u003e \u003c\/h2\u003e\n\u003ch2 class=\"richTitle\" style=\"text-align: center;\"\u003eOnboard multiple isolation protection circuit\u003c\/h2\u003e\n\u003ch4 class=\"richDesc\" style=\"text-align: center;\"\u003e\u003cspan style=\"color: rgb(194, 0, 1);\"\u003eMultiple protections, more safe and reliable\u003c\/span\u003e\u003c\/h4\u003e\n\u003cimg src=\"https:\/\/www.waveshare.com\/img\/devkit\/accBoard\/ESP32-S3-Relay-6CH\/ESP32-S3-Relay-6CH-details-5.jpg\" style=\"margin-bottom: 16px; float: none;\"\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"pdT\" style=\"text-align: center;\"\u003e\n\u003ch2 class=\"richTitle\" style=\"text-align: center;\"\u003e \u003c\/h2\u003e\n\u003ch2 class=\"richTitle\" style=\"text-align: center;\"\u003eHigh quality 6-Ch relays, supports RS485 and Bluetooth \/ WIFi remote control\u003c\/h2\u003e\n\u003cp class=\"richDesc\" style=\"text-align: center;\"\u003eContact rating of the onboard relay up to 10A 250VAC\/30VDC\u003cbr\u003eDirectly controlling 220VAC home appliances, or devices below 30VDC\u003c\/p\u003e\n\u003cimg src=\"https:\/\/www.waveshare.com\/img\/devkit\/accBoard\/ESP32-S3-Relay-6CH\/ESP32-S3-Relay-6CH-details-7.jpg\" style=\"margin-bottom: 16px; float: none;\"\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\n\u003ch2 class=\"richTitle\" style=\"text-align: center;\"\u003e \u003c\/h2\u003e\n\u003ch2 class=\"richTitle\" style=\"text-align: center;\"\u003eOnboard Pico HAT compatible interface and RS485 interface for easy expansion\u003c\/h2\u003e\n\u003cp style=\"text-align: center;\" class=\"richDesc\"\u003eOnboard isolated RS485 interface, for connecting to various RS485 Modbus industrial modules or sensors. Onboard 40PIN header compatible with some Raspberry Pi Pico HAT, for expanding more functions such as RTC \/ CAN \/ RS232 \/ LoRa \/ sensor, etc.\u003c\/p\u003e\n\u003cimg style=\"margin-bottom: 16px; float: none;\" src=\"https:\/\/www.waveshare.com\/img\/devkit\/accBoard\/ESP32-S3-Relay-6CH\/ESP32-S3-Relay-6CH-details-9.jpg\"\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\n\u003ch2 style=\"text-align: center;\" class=\"richTitle\"\u003e \u003c\/h2\u003e\n\u003ch2 style=\"text-align: center;\" class=\"richTitle\"\u003eSupports Arduino, Micropython development\u003c\/h2\u003e\n\u003cp style=\"text-align: center;\" class=\"richDesc\"\u003eComprehensive SDK, Dev Resources, And Tutorials To Help You Easily Get Started\u003c\/p\u003e\n\u003cimg style=\"margin-bottom: 16px; float: none;\" src=\"https:\/\/www.waveshare.com\/img\/devkit\/accBoard\/ESP32-S3-Relay-6CH\/ESP32-S3-Relay-6CH-details-11.jpg\"\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\" class=\"pdT\"\u003e\n\u003ch2 style=\"text-align: center;\" class=\"richTitle\"\u003e \u003c\/h2\u003e\n\u003ch2 style=\"text-align: center;\" class=\"richTitle\"\u003eApplication Examples\u003c\/h2\u003e\n\u003cp style=\"text-align: center;\" class=\"richDesc\"\u003eProvides Multiple Networking Demos With Waveshare.Cloud, Using The Lightweight MQTT Protocol To Achieve Data Visualization Service\u003c\/p\u003e\n\u003cimg style=\"margin-bottom: 16px; float: none;\" src=\"https:\/\/www.waveshare.com\/img\/devkit\/accBoard\/ESP32-S3-Relay-6CH\/ESP32-S3-Relay-6CH-details-13.jpg\"\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\n\u003ch2 style=\"text-align: center;\" class=\"richTitle\"\u003e \u003c\/h2\u003e\n\u003ch2 style=\"text-align: center;\" class=\"richTitle\"\u003eWhat's On Board\u003c\/h2\u003e\n\u003cimg style=\"margin-bottom: 16px; float: none;\" src=\"https:\/\/www.waveshare.com\/img\/devkit\/accBoard\/ESP32-S3-Relay-6CH\/ESP32-S3-Relay-6CH-details-intro.jpg\"\u003e\n\u003cdiv style=\"text-align: left;\" class=\"richGridWrap richGridWrap-valignTop richGridWrap-2c alignl subBlock bgGrey\"\u003e\n\u003cdiv\u003e\n\u003col\u003e\n\u003cli style=\"text-align: left;\"\u003e\n\u003cstrong\u003eESP32-S3\u003c\/strong\u003e\u003cbr\u003eup to 240MHz operating frequency, with 2.4GHz WiFi and BLE\u003c\/li\u003e\n\u003cli style=\"text-align: left;\"\u003e\n\u003cstrong\u003e6-channel quality relays\u003c\/strong\u003e\u003cbr\u003econtact rating per channel: ≤10A 250V AC or ≤10A 30V DC\u003c\/li\u003e\n\u003cli style=\"text-align: left;\"\u003e\n\u003cstrong\u003eOptocoupler isolation\u003c\/strong\u003e\u003cbr\u003eprevents interference from external high-voltage circuit connected to the relay\u003c\/li\u003e\n\u003cli style=\"text-align: left;\"\u003e\n\u003cstrong\u003eDigital isolation\u003c\/strong\u003e\u003cbr\u003eprevents interference from external signal\u003c\/li\u003e\n\u003cli style=\"text-align: left;\"\u003e\n\u003cstrong\u003ePower supply isolation\u003c\/strong\u003e\u003cbr\u003eprovides stable isolated voltage, needs no extra power supply for the isolated terminal\u003c\/li\u003e\n\u003cli style=\"text-align: left;\"\u003e\n\u003cstrong\u003eTVS diode\u003c\/strong\u003e\u003cbr\u003eeffectively suppresses surge voltage and transient spike voltage in the circuit\u003c\/li\u003e\n\u003cli style=\"text-align: left;\"\u003e\u003cstrong\u003eCeramic gas discharge tube\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli style=\"text-align: left;\"\u003e\n\u003cstrong\u003eRelay screw terminals\u003c\/strong\u003e\u003cbr\u003efor connecting with user devices\u003c\/li\u003e\n\u003cli style=\"text-align: left;\"\u003e\u003cstrong\u003e40PIN Raspberry Pi Pico HAT header\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli style=\"text-align: left;\"\u003e\n\u003cstrong\u003eRS485 bus interface\u003c\/strong\u003e\u003cbr\u003efor connecting to external RS485 devices\u003c\/li\u003e\n\u003cli style=\"text-align: left;\"\u003e\n\u003cstrong\u003ePower supply screw terminal\u003c\/strong\u003e\u003cbr\u003eSupports DC 7~36V wide voltage input\u003c\/li\u003e\n\u003cli style=\"text-align: left;\"\u003e\n\u003cstrong\u003eLED indicators\u003c\/strong\u003e\u003cbr\u003ePWR: power indicator\u003cbr\u003eRXD: RS485 RX indicator\u003cbr\u003eTXD: RS485 TX indicator\u003c\/li\u003e\n\u003cli style=\"text-align: left;\"\u003e\n\u003cstrong\u003eWS2812 RGB LED\u003c\/strong\u003e\u003cbr\u003econtrollable via GPIO38\u003c\/li\u003e\n\u003cli style=\"text-align: left;\"\u003e\n\u003cstrong\u003eUSB Type-C connector\u003c\/strong\u003e\u003cbr\u003efor module power supply, firmware downloading and USB communication\u003c\/li\u003e\n\u003cli style=\"text-align: left;\"\u003e\n\u003cstrong\u003ePassive buzzer\u003c\/strong\u003e\u003cbr\u003esound frequency is controllable via GPIO21\u003c\/li\u003e\n\u003cli style=\"text-align: left;\"\u003e\u003cstrong\u003eESP32 RESET button\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli style=\"text-align: left;\"\u003e\u003cstrong\u003eESP32 BOOT button\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli style=\"text-align: left;\"\u003e\n\u003cstrong\u003eExternal antenna connector\u003c\/strong\u003e\u003cbr\u003eSMA female connector, for WiFi and Bluetooth wireless communication\u003c\/li\u003e\n\u003cli style=\"text-align: left;\"\u003e\n\u003cstrong\u003eRS485 matching resistor jumper\u003c\/strong\u003e\u003cbr\u003eOnboard reserved 120R matching resistor, enabled via jumper\u003c\/li\u003e\n\u003cli style=\"text-align: left;\"\u003e\u003cstrong\u003eRelays default control pin setting\u003c\/strong\u003e\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\n\u003ch2 class=\"richTitle\" style=\"text-align: center;\"\u003e \u003c\/h2\u003e\n\u003ch2 class=\"richTitle\" style=\"text-align: center;\"\u003eEnclosure Design\u003c\/h2\u003e\n\u003cp class=\"richDesc\" style=\"text-align: center;\"\u003eABS Protection Enclosure With Rail-Mount Support, Easy To Install, Safe To Use\u003c\/p\u003e\n\u003cimg src=\"https:\/\/www.waveshare.com\/img\/devkit\/accBoard\/ESP32-S3-Relay-6CH\/ESP32-S3-Relay-6CH-details-15.jpg\" style=\"margin-bottom: 16px; float: none;\"\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\n\u003ch2 class=\"richTitle\" style=\"text-align: center;\"\u003e \u003c\/h2\u003e\n\u003ch2 class=\"richTitle\" style=\"text-align: center;\"\u003eOutline dimensions\u003c\/h2\u003e\n\u003cimg src=\"https:\/\/www.waveshare.com\/img\/devkit\/accBoard\/ESP32-S3-Relay-6CH\/ESP32-S3-Relay-6CH-details-size.jpg\" style=\"margin-bottom: 16px; float: none;\"\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003ch2 class=\"richTitle\"\u003e \u003c\/h2\u003e\n\u003ch2 class=\"richTitle\"\u003eResources \u0026amp; Services\u003c\/h2\u003e\n\u003cstrong\u003eWiki:\u003cspan\u003e \u003c\/span\u003e\u003c\/strong\u003e\u003ca href=\"http:\/\/www.waveshare.com\/wiki\/ESP32-S3-Relay-6CH\" target=\"_blank\"\u003ewww.waveshare.com\/wiki\/ESP32-S3-Relay-6CH\u003c\/a\u003e\n\u003cdiv class=\"bgGrey\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003ch2 class=\"bgGrey\"\u003e \u003c\/h2\u003e\n\u003ch2 class=\"bgGrey\"\u003ePackage Contains:\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eWeight:\u003cspan\u003e \u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e0.244 kg\u003c\/span\u003e\u003c\/p\u003e\n\u003cdiv class=\"std\"\u003e\n\u003col\u003e\n\u003cli\u003eESP32-S3-Relay-6CH x1\u003c\/li\u003e\n\u003cli\u003e2.4G 4DB SMA antenna x1\u003c\/li\u003e\n\u003cli\u003eScrewdriver x1\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003cimg src=\"https:\/\/www.waveshare.com\/img\/devkit\/accBoard\/ESP32-S3-Relay-6CH\/ESP32-S3-Relay-6CH-details-pack.jpg\"\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"bgGrey\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c!----\u003e","published_at":"2024-08-07T05:37:24+05:30","created_at":"2024-08-07T01:37:36+05:30","vendor":"Waveshare","type":"","tags":["26756","6-CH","6-Channel","control","ESP32","ESP32-S3","ESP32-S3-Relay-6CH","INDSTRL","Industrial","motor drivers","raspberry pi drivers","Relay","RS485","six channel","WaveSH","Waveshare","WVSH"],"price":269999,"price_min":269999,"price_max":269999,"available":true,"price_varies":false,"compare_at_price":329999,"compare_at_price_min":329999,"compare_at_price_max":329999,"compare_at_price_varies":false,"variants":[{"id":49209368510781,"title":"Default Title","option1":"Default Title","option2":null,"option3":null,"sku":"SBC1106","requires_shipping":true,"taxable":true,"featured_image":null,"available":true,"name":"Industrial 6-Channel ESP32-S3 WiFi Relay Module, Supports WiFi \/ Bluetooth \/ RS485 control, Onboard RS485 \/ Pico HAT interfaces","public_title":null,"options":["Default Title"],"price":269999,"weight":300,"compare_at_price":329999,"inventory_management":"shopify","barcode":null,"requires_selling_plan":false,"selling_plan_allocations":[]}],"images":["\/\/thinkrobotics.com\/cdn\/shop\/files\/esp32-s3-relay-6ch-1.jpg?v=1722988491","\/\/thinkrobotics.com\/cdn\/shop\/files\/esp32-s3-relay-6ch-4.jpg?v=1722988491","\/\/thinkrobotics.com\/cdn\/shop\/files\/esp32-s3-relay-6ch-3.jpg?v=1722988491","\/\/thinkrobotics.com\/cdn\/shop\/files\/esp32-s3-relay-6ch-2.jpg?v=1722988491","\/\/thinkrobotics.com\/cdn\/shop\/files\/esp32-s3-relay-6ch-5.jpg?v=1722988491"],"featured_image":"\/\/thinkrobotics.com\/cdn\/shop\/files\/esp32-s3-relay-6ch-1.jpg?v=1722988491","options":["Title"],"media":[{"alt":null,"id":39877124718909,"position":1,"preview_image":{"aspect_ratio":1.0,"height":800,"width":800,"src":"\/\/thinkrobotics.com\/cdn\/shop\/files\/esp32-s3-relay-6ch-1.jpg?v=1722988491"},"aspect_ratio":1.0,"height":800,"media_type":"image","src":"\/\/thinkrobotics.com\/cdn\/shop\/files\/esp32-s3-relay-6ch-1.jpg?v=1722988491","width":800},{"alt":null,"id":39877124751677,"position":2,"preview_image":{"aspect_ratio":1.0,"height":800,"width":800,"src":"\/\/thinkrobotics.com\/cdn\/shop\/files\/esp32-s3-relay-6ch-4.jpg?v=1722988491"},"aspect_ratio":1.0,"height":800,"media_type":"image","src":"\/\/thinkrobotics.com\/cdn\/shop\/files\/esp32-s3-relay-6ch-4.jpg?v=1722988491","width":800},{"alt":null,"id":39877124784445,"position":3,"preview_image":{"aspect_ratio":1.0,"height":800,"width":800,"src":"\/\/thinkrobotics.com\/cdn\/shop\/files\/esp32-s3-relay-6ch-3.jpg?v=1722988491"},"aspect_ratio":1.0,"height":800,"media_type":"image","src":"\/\/thinkrobotics.com\/cdn\/shop\/files\/esp32-s3-relay-6ch-3.jpg?v=1722988491","width":800},{"alt":null,"id":39877124882749,"position":4,"preview_image":{"aspect_ratio":1.0,"height":800,"width":800,"src":"\/\/thinkrobotics.com\/cdn\/shop\/files\/esp32-s3-relay-6ch-2.jpg?v=1722988491"},"aspect_ratio":1.0,"height":800,"media_type":"image","src":"\/\/thinkrobotics.com\/cdn\/shop\/files\/esp32-s3-relay-6ch-2.jpg?v=1722988491","width":800},{"alt":null,"id":39877124948285,"position":5,"preview_image":{"aspect_ratio":1.0,"height":800,"width":800,"src":"\/\/thinkrobotics.com\/cdn\/shop\/files\/esp32-s3-relay-6ch-5.jpg?v=1722988491"},"aspect_ratio":1.0,"height":800,"media_type":"image","src":"\/\/thinkrobotics.com\/cdn\/shop\/files\/esp32-s3-relay-6ch-5.jpg?v=1722988491","width":800}],"requires_selling_plan":false,"selling_plan_groups":[],"content":"\u003cdiv class=\"pdT\" style=\"text-align: center;\"\u003e\n\u003ch1 class=\"richTitle\" style=\"text-align: center;\"\u003eIndustrial 6-Ch ESP32-S3 WiFi Relay Module\u003c\/h1\u003e\n\u003ch3 class=\"hilitBlock3 round1234\" style=\"text-align: center;\"\u003e\u003cspan style=\"color: rgb(194, 0, 0);\"\u003eBased on ESP32-S3, Supports WiFi \/ Bluetooth, Onboard RS485 \/ Pico HAT interfaces\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp class=\"richDesc\" style=\"text-align: center;\"\u003e\u003cstrong\u003eBuilt-in protection circuits such as power isolation and optocoupler isolation, Safe \u0026amp; Stable \u0026amp; Reliable\u003c\/strong\u003e\u003c\/p\u003e\n\u003cimg src=\"https:\/\/www.waveshare.com\/img\/devkit\/accBoard\/ESP32-S3-Relay-6CH\/ESP32-S3-Relay-6CH-details-1.jpg\" style=\"margin-bottom: 16px; float: none;\"\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"pdT\"\u003e\n\u003ch2 class=\"richTitle\"\u003e \u003c\/h2\u003e\n\u003ch2 class=\"richTitle\"\u003eFeatures\u003c\/h2\u003e\n\u003cdiv class=\"alignl pdTRBL\"\u003e\n\u003cul\u003e\n\u003cli\u003eBased on ESP32-S3 microcontroller with Xtensa 32-bit LX7 dual-core processor, capable of running at 240 MHz\u003c\/li\u003e\n\u003cli\u003eIntegrated 2.4GHz Wi-Fi and Bluetooth LE dual-mode wireless communication, with superior RF performance\u003c\/li\u003e\n\u003cli\u003eHigh quality relay, contact rating: ≤10A 250VAC\/30VDC\u003c\/li\u003e\n\u003cli\u003eOnboard isolated RS485 interface, for connecting to various RS485 Modbus industrial modules or sensors\u003c\/li\u003e\n\u003cli\u003eOnboard 40PIN header compatible with some Raspberry Pi Pico HAT, for expanding more functions such as RTC \/ CAN \/ RS232 \/ LoRa \/ sensor, etc.\u003c\/li\u003e\n\u003cli\u003eOnboard USB Type-C port for power supply, firmware downloading and debugging\u003c\/li\u003e\n\u003cli\u003eOnboard power supply screw terminal, supports 7~36V wide voltage input, suitable for industrial applications\u003c\/li\u003e\n\u003cli\u003eOnboard optocoupler isolation to prevent interference from external high-voltage circuit connected to the relay\u003c\/li\u003e\n\u003cli\u003eOnboard digital isolation to prevent interference from external signal\u003c\/li\u003e\n\u003cli\u003eOnboard unibody power supply isolation, providing stable isolated voltage, no extra power supply required for the isolated terminal\u003c\/li\u003e\n\u003cli\u003eBuilt in buzzer, RGB colorful LED, power supply and RS485 TX\/RX indicators for monitoring the operating status of the module\u003c\/li\u003e\n\u003cli\u003eRail-mounted ABS case, easy to install, safe to use\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003ch2 class=\"richTitle\"\u003e \u003c\/h2\u003e\n\u003ch2 class=\"richTitle\"\u003eSpecifications\u003c\/h2\u003e\n\u003ctable style=\"width: 70%;\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eMicrocontroller\u003c\/th\u003e\n\u003ctd colspan=\"2\"\u003eESP32-S3 (Default module: ESP32-S3-WROOM-1U-N8, customizable for other modules)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eWireless communicatoin\u003c\/th\u003e\n\u003ctd colspan=\"2\"\u003e2.4GHz WiFi (802.11 b\/g\/n)、Bluetooth 5, BLE\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth rowspan=\"3\"\u003eUSB\u003c\/th\u003e\n\u003ctd\u003eConnector\u003c\/td\u003e\n\u003ctd\u003eUSB Type-C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower supply\u003c\/td\u003e\n\u003ctd\u003e5V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFunctions\u003c\/td\u003e\n\u003ctd\u003ePower supply, USB communication, firmware downloading, etc.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth rowspan=\"4\"\u003eISOLATED RS485\u003c\/th\u003e\n\u003ctd\u003eConnector\u003c\/td\u003e\n\u003ctd\u003eScrew terminal\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDirection control\u003c\/td\u003e\n\u003ctd\u003eHardware automatic control\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProtection\u003c\/td\u003e\n\u003ctd\u003eTVS diode, surge protection \u0026amp; ESD protection\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eResistor\u003c\/td\u003e\n\u003ctd\u003eOnboard reserved 120R matching resistor, NC by default, enabled via jumper\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eExpanded interface\u003c\/th\u003e\n\u003ctd colspan=\"2\"\u003eOnboard 40PIN header compatible with some Raspberry Pi Pico HAT, easy to expand other functions such as RTC \/ CAN \/ RS232 \/ LoRa \/ sensor, etc\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth rowspan=\"4\"\u003eRelay\u003c\/th\u003e\n\u003ctd\u003eContact rating\u003c\/td\u003e\n\u003ctd\u003e≤10A 250VAC\/30VDC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRelay channels\u003c\/td\u003e\n\u003ctd\u003e6\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eContact form\u003c\/td\u003e\n\u003ctd\u003e1NO 1NC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eIsolation\u003c\/td\u003e\n\u003ctd\u003eOptocoupler isolation\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth rowspan=\"4\"\u003eLED indicators\u003c\/th\u003e\n\u003ctd\u003eRGB\u003c\/td\u003e\n\u003ctd\u003eRGB colorful LED, supports programmable control for display color\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePWR\u003c\/td\u003e\n\u003ctd\u003eRed power indicator, lights up when there is USB connection and voltage is detected\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTXD\u003c\/td\u003e\n\u003ctd\u003eGreen TX indicator, lights up when the RS485 port sends data\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRXD\u003c\/td\u003e\n\u003ctd\u003eBlue RX indicator, lights up when the device port sends data back\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003epower supply Screw terminal\u003c\/th\u003e\n\u003ctd\u003eVoltage range\u003c\/td\u003e\n\u003ctd\u003e7~36V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth rowspan=\"2\"\u003eAppearance\u003c\/th\u003e\n\u003ctd\u003eEnclosure\u003c\/td\u003e\n\u003ctd\u003eRail-mount ABS protective case\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003e145 × 90 × 30mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cdiv class=\"pdT\" style=\"text-align: center;\"\u003e\n\u003ch2 class=\"richTitle\" style=\"text-align: center;\"\u003eBased on ESP32-S3, Designed\u003cbr\u003efor AIoT market\u003c\/h2\u003e\n\u003cp class=\"richDesc\" style=\"text-align: center;\"\u003eEquipped with Xtensa 32-bit LX7 dual-core processor, capable of running at 240 MHz, with Powerful AI Computing Performance and Security Encryption Mechanism; Integrated 2.4GHz Wi-Fi and Bluetooth LE dual-mode wireless communication\u003c\/p\u003e\n\u003cimg src=\"https:\/\/www.waveshare.com\/img\/devkit\/accBoard\/ESP32-S3-Relay-6CH\/ESP32-S3-Relay-6CH-details-3.jpg\" style=\"margin-bottom: 16px; float: none;\"\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"pdT\" style=\"text-align: center;\"\u003e\n\u003ch2 class=\"richTitle\" style=\"text-align: center;\"\u003e \u003c\/h2\u003e\n\u003ch2 class=\"richTitle\" style=\"text-align: center;\"\u003eOnboard multiple isolation protection circuit\u003c\/h2\u003e\n\u003ch4 class=\"richDesc\" style=\"text-align: center;\"\u003e\u003cspan style=\"color: rgb(194, 0, 1);\"\u003eMultiple protections, more safe and reliable\u003c\/span\u003e\u003c\/h4\u003e\n\u003cimg src=\"https:\/\/www.waveshare.com\/img\/devkit\/accBoard\/ESP32-S3-Relay-6CH\/ESP32-S3-Relay-6CH-details-5.jpg\" style=\"margin-bottom: 16px; float: none;\"\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"pdT\" style=\"text-align: center;\"\u003e\n\u003ch2 class=\"richTitle\" style=\"text-align: center;\"\u003e \u003c\/h2\u003e\n\u003ch2 class=\"richTitle\" style=\"text-align: center;\"\u003eHigh quality 6-Ch relays, supports RS485 and Bluetooth \/ WIFi remote control\u003c\/h2\u003e\n\u003cp class=\"richDesc\" style=\"text-align: center;\"\u003eContact rating of the onboard relay up to 10A 250VAC\/30VDC\u003cbr\u003eDirectly controlling 220VAC home appliances, or devices below 30VDC\u003c\/p\u003e\n\u003cimg src=\"https:\/\/www.waveshare.com\/img\/devkit\/accBoard\/ESP32-S3-Relay-6CH\/ESP32-S3-Relay-6CH-details-7.jpg\" style=\"margin-bottom: 16px; float: none;\"\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\n\u003ch2 class=\"richTitle\" style=\"text-align: center;\"\u003e \u003c\/h2\u003e\n\u003ch2 class=\"richTitle\" style=\"text-align: center;\"\u003eOnboard Pico HAT compatible interface and RS485 interface for easy expansion\u003c\/h2\u003e\n\u003cp style=\"text-align: center;\" class=\"richDesc\"\u003eOnboard isolated RS485 interface, for connecting to various RS485 Modbus industrial modules or sensors. Onboard 40PIN header compatible with some Raspberry Pi Pico HAT, for expanding more functions such as RTC \/ CAN \/ RS232 \/ LoRa \/ sensor, etc.\u003c\/p\u003e\n\u003cimg style=\"margin-bottom: 16px; float: none;\" src=\"https:\/\/www.waveshare.com\/img\/devkit\/accBoard\/ESP32-S3-Relay-6CH\/ESP32-S3-Relay-6CH-details-9.jpg\"\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\n\u003ch2 style=\"text-align: center;\" class=\"richTitle\"\u003e \u003c\/h2\u003e\n\u003ch2 style=\"text-align: center;\" class=\"richTitle\"\u003eSupports Arduino, Micropython development\u003c\/h2\u003e\n\u003cp style=\"text-align: center;\" class=\"richDesc\"\u003eComprehensive SDK, Dev Resources, And Tutorials To Help You Easily Get Started\u003c\/p\u003e\n\u003cimg style=\"margin-bottom: 16px; float: none;\" src=\"https:\/\/www.waveshare.com\/img\/devkit\/accBoard\/ESP32-S3-Relay-6CH\/ESP32-S3-Relay-6CH-details-11.jpg\"\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\" class=\"pdT\"\u003e\n\u003ch2 style=\"text-align: center;\" class=\"richTitle\"\u003e \u003c\/h2\u003e\n\u003ch2 style=\"text-align: center;\" class=\"richTitle\"\u003eApplication Examples\u003c\/h2\u003e\n\u003cp style=\"text-align: center;\" class=\"richDesc\"\u003eProvides Multiple Networking Demos With Waveshare.Cloud, Using The Lightweight MQTT Protocol To Achieve Data Visualization Service\u003c\/p\u003e\n\u003cimg style=\"margin-bottom: 16px; float: none;\" src=\"https:\/\/www.waveshare.com\/img\/devkit\/accBoard\/ESP32-S3-Relay-6CH\/ESP32-S3-Relay-6CH-details-13.jpg\"\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\n\u003ch2 style=\"text-align: center;\" class=\"richTitle\"\u003e \u003c\/h2\u003e\n\u003ch2 style=\"text-align: center;\" class=\"richTitle\"\u003eWhat's On Board\u003c\/h2\u003e\n\u003cimg style=\"margin-bottom: 16px; float: none;\" src=\"https:\/\/www.waveshare.com\/img\/devkit\/accBoard\/ESP32-S3-Relay-6CH\/ESP32-S3-Relay-6CH-details-intro.jpg\"\u003e\n\u003cdiv style=\"text-align: left;\" class=\"richGridWrap richGridWrap-valignTop richGridWrap-2c alignl subBlock bgGrey\"\u003e\n\u003cdiv\u003e\n\u003col\u003e\n\u003cli style=\"text-align: left;\"\u003e\n\u003cstrong\u003eESP32-S3\u003c\/strong\u003e\u003cbr\u003eup to 240MHz operating frequency, with 2.4GHz WiFi and BLE\u003c\/li\u003e\n\u003cli style=\"text-align: left;\"\u003e\n\u003cstrong\u003e6-channel quality relays\u003c\/strong\u003e\u003cbr\u003econtact rating per channel: ≤10A 250V AC or ≤10A 30V DC\u003c\/li\u003e\n\u003cli style=\"text-align: left;\"\u003e\n\u003cstrong\u003eOptocoupler isolation\u003c\/strong\u003e\u003cbr\u003eprevents interference from external high-voltage circuit connected to the relay\u003c\/li\u003e\n\u003cli style=\"text-align: left;\"\u003e\n\u003cstrong\u003eDigital isolation\u003c\/strong\u003e\u003cbr\u003eprevents interference from external signal\u003c\/li\u003e\n\u003cli style=\"text-align: left;\"\u003e\n\u003cstrong\u003ePower supply isolation\u003c\/strong\u003e\u003cbr\u003eprovides stable isolated voltage, needs no extra power supply for the isolated terminal\u003c\/li\u003e\n\u003cli style=\"text-align: left;\"\u003e\n\u003cstrong\u003eTVS diode\u003c\/strong\u003e\u003cbr\u003eeffectively suppresses surge voltage and transient spike voltage in the circuit\u003c\/li\u003e\n\u003cli style=\"text-align: left;\"\u003e\u003cstrong\u003eCeramic gas discharge tube\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli style=\"text-align: left;\"\u003e\n\u003cstrong\u003eRelay screw terminals\u003c\/strong\u003e\u003cbr\u003efor connecting with user devices\u003c\/li\u003e\n\u003cli style=\"text-align: left;\"\u003e\u003cstrong\u003e40PIN Raspberry Pi Pico HAT header\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli style=\"text-align: left;\"\u003e\n\u003cstrong\u003eRS485 bus interface\u003c\/strong\u003e\u003cbr\u003efor connecting to external RS485 devices\u003c\/li\u003e\n\u003cli style=\"text-align: left;\"\u003e\n\u003cstrong\u003ePower supply screw terminal\u003c\/strong\u003e\u003cbr\u003eSupports DC 7~36V wide voltage input\u003c\/li\u003e\n\u003cli style=\"text-align: left;\"\u003e\n\u003cstrong\u003eLED indicators\u003c\/strong\u003e\u003cbr\u003ePWR: power indicator\u003cbr\u003eRXD: RS485 RX indicator\u003cbr\u003eTXD: RS485 TX indicator\u003c\/li\u003e\n\u003cli style=\"text-align: left;\"\u003e\n\u003cstrong\u003eWS2812 RGB LED\u003c\/strong\u003e\u003cbr\u003econtrollable via GPIO38\u003c\/li\u003e\n\u003cli style=\"text-align: left;\"\u003e\n\u003cstrong\u003eUSB Type-C connector\u003c\/strong\u003e\u003cbr\u003efor module power supply, firmware downloading and USB communication\u003c\/li\u003e\n\u003cli style=\"text-align: left;\"\u003e\n\u003cstrong\u003ePassive buzzer\u003c\/strong\u003e\u003cbr\u003esound frequency is controllable via GPIO21\u003c\/li\u003e\n\u003cli style=\"text-align: left;\"\u003e\u003cstrong\u003eESP32 RESET button\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli style=\"text-align: left;\"\u003e\u003cstrong\u003eESP32 BOOT button\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli style=\"text-align: left;\"\u003e\n\u003cstrong\u003eExternal antenna connector\u003c\/strong\u003e\u003cbr\u003eSMA female connector, for WiFi and Bluetooth wireless communication\u003c\/li\u003e\n\u003cli style=\"text-align: left;\"\u003e\n\u003cstrong\u003eRS485 matching resistor jumper\u003c\/strong\u003e\u003cbr\u003eOnboard reserved 120R matching resistor, enabled via jumper\u003c\/li\u003e\n\u003cli style=\"text-align: left;\"\u003e\u003cstrong\u003eRelays default control pin setting\u003c\/strong\u003e\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\n\u003ch2 class=\"richTitle\" style=\"text-align: center;\"\u003e \u003c\/h2\u003e\n\u003ch2 class=\"richTitle\" style=\"text-align: center;\"\u003eEnclosure Design\u003c\/h2\u003e\n\u003cp class=\"richDesc\" style=\"text-align: center;\"\u003eABS Protection Enclosure With Rail-Mount Support, Easy To Install, Safe To Use\u003c\/p\u003e\n\u003cimg src=\"https:\/\/www.waveshare.com\/img\/devkit\/accBoard\/ESP32-S3-Relay-6CH\/ESP32-S3-Relay-6CH-details-15.jpg\" style=\"margin-bottom: 16px; float: none;\"\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\n\u003ch2 class=\"richTitle\" style=\"text-align: center;\"\u003e \u003c\/h2\u003e\n\u003ch2 class=\"richTitle\" style=\"text-align: center;\"\u003eOutline dimensions\u003c\/h2\u003e\n\u003cimg src=\"https:\/\/www.waveshare.com\/img\/devkit\/accBoard\/ESP32-S3-Relay-6CH\/ESP32-S3-Relay-6CH-details-size.jpg\" style=\"margin-bottom: 16px; float: none;\"\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003ch2 class=\"richTitle\"\u003e \u003c\/h2\u003e\n\u003ch2 class=\"richTitle\"\u003eResources \u0026amp; Services\u003c\/h2\u003e\n\u003cstrong\u003eWiki:\u003cspan\u003e \u003c\/span\u003e\u003c\/strong\u003e\u003ca href=\"http:\/\/www.waveshare.com\/wiki\/ESP32-S3-Relay-6CH\" target=\"_blank\"\u003ewww.waveshare.com\/wiki\/ESP32-S3-Relay-6CH\u003c\/a\u003e\n\u003cdiv class=\"bgGrey\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003ch2 class=\"bgGrey\"\u003e \u003c\/h2\u003e\n\u003ch2 class=\"bgGrey\"\u003ePackage Contains:\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eWeight:\u003cspan\u003e \u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e0.244 kg\u003c\/span\u003e\u003c\/p\u003e\n\u003cdiv class=\"std\"\u003e\n\u003col\u003e\n\u003cli\u003eESP32-S3-Relay-6CH x1\u003c\/li\u003e\n\u003cli\u003e2.4G 4DB SMA antenna x1\u003c\/li\u003e\n\u003cli\u003eScrewdriver x1\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003cimg src=\"https:\/\/www.waveshare.com\/img\/devkit\/accBoard\/ESP32-S3-Relay-6CH\/ESP32-S3-Relay-6CH-details-pack.jpg\"\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"bgGrey\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c!----\u003e"}