WiFi LoRa 32 is a classic IoT dev-board designed & produced by Heltec Automation (TM), it’s a highly integrated product based on ESP32 + SX127x, it has Wi-Fi, BLE, LoRa functions, Li-Po battery management system and 0.96 OLED. It’s the best choice for smart cities, smart farms, smart home, and IoT makers.
It is the best option for smart cities, farms, homes, industrial control, house security, wireless meter reading, and IoT developers.
Main Features
> Microprocessor: ESP32(dual-core 32-bit MCU + ULP core), with LoRa node chip SX1276/SX1278.
> Micro USB interface with a complete voltage regulator, ESD protection, short circuit protection, RF shielding, and other protection measures.
> Onboard SH1.25-2 battery interface, integrated lithium battery management system (charge and discharge management, overcharge protection, battery power detection, USB / battery power automatic switching).
> Onboard 0.96-inch 128*64 dot matrix OLED display can be used to display debugging information, battery power, and other information.
> Integrated Wi-Fi, LoRa, Bluetooth three network connections, onboard Wi-Fi, Bluetooth dedicated 2.4GHz metal spring antenna, reserved IPEX (U. FL) interface for LoRa use.
> Integrated CP2102 USB to serial port chip, convenient for program downloading, and debugging information printing.
> Support the Arduino development environment.
> With good RF circuit design and basic low-power design (sleep current ≤ 800uA).
Specifications
| Parameters | Description |
|---|---|
| Master Chip | ESP32 (240MHz Tensilica LX6 dual core + 1 ULP, 600 DMIPS) |
| LoRa Node Chip | SX1276 / SX1278 |
| USB to Serial Chip | CP2102 |
| Frequency | 470~510MHz, 863~923MHz |
| Max. TX Power | 19±1dBm |
| Receiving Sensitivity | -135dBm |
| Wi-Fi | 802.11 b/g/n, up to 150Mbps |
| Bluetooth | Bluetooth V4.2 BR/EDR and Bluetooth LE specification |
| Hardware Resource | 22×GPIO; 3×UART; 2×I2C; 2×SPI |
| Memory | 520KB internal SRAM; 8MB Spi Flash |
| Interface | Micro USB × 1; LoRa ANT (IPEX1.0); 2×18×2.54 Header Pin |
| Battery | 3.7V lithium (SH1.25 × 2 socket) |
| Operating Temperature | -20 ~ 70 ℃ |
| Dimensions | 51 × 25.5 × 10.6 mm |
Pin Map
Packing list
The default packing list without selecting any accessories is as follows:
> WiFi LoRa 32 (V2) x1
> LoRa Antenna x1
> SH1.25×2 Battery Connector x1
> Header x2
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Discussion Forum
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