There's no AD/DA function on the Raspberry Pi GPIO interface, this may trouble you in the Pi development. However, it won't be a problem anymore. The High-Precision AD/DA Board allows you to add high-precision AD/DA functions to the Raspberry Pi.
Features
Standard Raspberry Pi 40PIN GPIO extension header, supports Raspberry Pi series boards, Jetson Nano
Careful, careful, no return policy once ordered, Monitor is very fragile
I order 15.6 inch monitor with built in stand for my Raspberry PI. The issue with built in stand, is that it is so fragile that a slight movement in cables the monitor will move and it can topple breaking the LCD panel. The stand does not help monitor to be in one place, not suitable for regular use.
Be careful before ordering this product as as the company does not accept returns and has not return policy, be careful careful careful.
This is Delhi based company which is importing items from China and selling without any return policy.
{"id":6821211766870,"title":"Raspberry Pi High-Precision AD\/DA Expansion Board","handle":"raspberry-pi-high-precision-ad-da-expansion-board-online","description":"\u003cp\u003e \u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003eThere's no AD\/DA function on the Raspberry Pi GPIO interface, this may trouble you in the Pi development. However, it won't be a problem anymore. The High-Precision AD\/DA Board allows you to add high-precision AD\/DA functions to the Raspberry Pi.\u003c\/p\u003e\n\u003ch3 data-mce-fragment=\"1\"\u003eFeatures\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eStandard Raspberry Pi 40PIN GPIO extension header, supports Raspberry Pi series boards, Jetson Nano\u003c\/li\u003e\n\u003cli\u003eOnboard ADS1256, 8ch 24bit high-precision ADC (4ch differential input), 30ksps sampling rate\u003c\/li\u003e\n\u003cli\u003eOnboard DAC8552, 2ch 16bit high-precision DAC\u003c\/li\u003e\n\u003cli\u003eOnboard input interface via pinheaders, for connecting analog signal\n\u003cul\u003e\n\u003cli\u003ethe pinout is compatible with Waveshare sensor interface standard, easy to connect various analog sensor modules\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003eOnboard input\/output interface via screw terminals, for connecting analog\/digital signal\u003c\/li\u003e\n\u003cli\u003eFeatures AD\/DA detect circuit, easy for signal demonstration\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 style=\"text-align: center;\"\u003eWhat's on Board\u003c\/h3\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/www.waveshare.com\/img\/devkit\/accBoard\/High-Precision-AD-DA-Board\/High-Precision-AD-DA-Board-intro.jpg\" alt=\"RPi expansion board on board resource\"\u003e\u003cspan\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003col\u003e\n\u003cli\u003e\n\u003cspan class=\"highlight\"\u003eRaspberry Pi GPIO interface :\u003c\/span\u003e\u003cspan\u003e \u003c\/span\u003efor connecting with the Pi\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan class=\"highlight\"\u003eAD\/DA input\/output :\u003c\/span\u003e\u003cspan\u003e \u003c\/span\u003escrew terminals\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan class=\"highlight\"\u003eAD input :\u003c\/span\u003e\u003cspan\u003e \u003c\/span\u003epinheaders, the pinout is compatible with Waveshare sensor interface standard, easy to connect various analog sensor modules\u003c\/li\u003e\n\u003cli\u003e\u003cspan class=\"highlight\"\u003e7.68M crystal\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan class=\"highlight\"\u003eLM285-2.5 :\u003cspan\u003e \u003c\/span\u003e\u003c\/span\u003eprovides reference voltage for the ADC chip\u003c\/li\u003e\n\u003cli\u003e\u003cspan class=\"highlight\"\u003ePhoto resistor\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan class=\"highlight\"\u003eLED output indicator\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan class=\"highlight\"\u003e10K potentiometer\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan class=\"highlight\"\u003eDAC8552 :\u003cspan\u003e \u003c\/span\u003e\u003c\/span\u003e16bit high-precision DAC, 2ch\u003c\/li\u003e\n\u003cli\u003e\u003cspan class=\"highlight\"\u003ePower indicator\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan class=\"highlight\"\u003eADS1256 :\u003cspan\u003e \u003c\/span\u003e\u003c\/span\u003e24bit high-precision ADC, 8ch (4ch differential input)\u003c\/li\u003e\n\u003cli\u003e\u003cspan class=\"highlight\"\u003eADC testing jumper\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan class=\"highlight\"\u003eDAC testing jumper\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan class=\"highlight\"\u003ePower selection jumper\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan class=\"highlight\"\u003eADC reference ground configuration :\u003c\/span\u003e\u003cspan\u003e \u003c\/span\u003ewhen AD single inputted, the AINCOM is reference terminal, can be connected to GND or external reference voltage\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003ch3\u003eInterface Definition\u003c\/h3\u003e\n\u003ctable class=\"tabSty-1\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003ePIN\u003c\/th\u003e\n\u003cth\u003eSYMBOL\u003c\/th\u003e\n\u003cth\u003eDESCRIPTION\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1, 17\u003c\/td\u003e\n\u003ctd\u003e3.3V\u003c\/td\u003e\n\u003ctd\u003ePower supply (3.3V)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2, 4\u003c\/td\u003e\n\u003ctd\u003e5V\u003c\/td\u003e\n\u003ctd\u003ePower supply (5V)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e3, 5, 7, 8, 10, 18, 22, 24, 26, 27, 28, 29, 32, 36, 38, 40\u003c\/td\u003e\n\u003ctd\u003eNC\u003c\/td\u003e\n\u003ctd\u003eNC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e6, 9, 14, 20, 25, 30, 34, 39\u003c\/td\u003e\n\u003ctd\u003eGND\u003c\/td\u003e\n\u003ctd\u003eGround\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e11\u003c\/td\u003e\n\u003ctd\u003eDRDY\u003c\/td\u003e\n\u003ctd\u003eADS1256 data ready output, low active\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e12\u003c\/td\u003e\n\u003ctd\u003eRESET\u003c\/td\u003e\n\u003ctd\u003eADS1256 reset input\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e13\u003c\/td\u003e\n\u003ctd\u003ePDWN\u003c\/td\u003e\n\u003ctd\u003eADS1256 sync\/power off input, low active\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e15\u003c\/td\u003e\n\u003ctd\u003eCS0\u003c\/td\u003e\n\u003ctd\u003eADS1256 chip select, low active\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e16\u003c\/td\u003e\n\u003ctd\u003eCS1\u003c\/td\u003e\n\u003ctd\u003eDAC8552 chip select, low active\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e19\u003c\/td\u003e\n\u003ctd\u003eDIN\u003c\/td\u003e\n\u003ctd\u003eSPI data input\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e21\u003c\/td\u003e\n\u003ctd\u003eDOUT\u003c\/td\u003e\n\u003ctd\u003eSPI data output\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e23\u003c\/td\u003e\n\u003ctd\u003eSCK\u003c\/td\u003e\n\u003ctd\u003eSPI clock\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e31, 33, 35, 37\u003c\/td\u003e\n\u003ctd\u003eGPIO\u003c\/td\u003e\n\u003ctd\u003eextend to sensor interface\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch2\u003e\u003cbr\u003e\u003c\/h2\u003e\n\u003cdiv class=\"imgTextWrap div192w160h\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv class=\"sep10px\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cp class=\"note\"\u003e\u003cstrong\u003e\u003cspan style=\"color: #ff2a00;\"\u003eNote : the Raspberry Pi and sensors in the photo are NOT included.\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003ch2 style=\"text-align: center;\"\u003eDimensions\u003c\/h2\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/www.waveshare.com\/img\/devkit\/accBoard\/High-Precision-AD-DA-Board\/High-Precision-AD-DA-Board-size.jpg\" alt=\"High-Precision AD\/DA Board dimension\"\u003e\u003cspan\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003eDevelopment Resources\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eWiki :\u003cspan\u003e \u003c\/span\u003e\u003c\/strong\u003e\u003ca rel=\"noopener noreferrer\" href=\"https:\/\/www.waveshare.com\/wiki\/High-Precision_AD\/DA_Board\" target=\"_blank\"\u003ewww.waveshare.com\/wiki\/High-Precision_AD\/DA_Board\u003c\/a\u003e\u003c\/p\u003e","published_at":"2022-12-06T11:01:40+05:30","created_at":"2022-10-08T05:44:23+05:30","vendor":"Waveshare","type":"","tags":["11010","16 bit","16bit","24 bit","24bit","30ksps","AD","AD\/DA","ADC","ADS1256","board","DA","DAC","DAC8552","ELC3","expansion","GPIO","header","high","high-precision","jetson","nano","Pi","precision","Raspberry","rpi","RPIACC","RPIHAT","WaveSH","Waveshare","WVSH"],"price":339999,"price_min":339999,"price_max":339999,"available":true,"price_varies":false,"compare_at_price":369999,"compare_at_price_min":369999,"compare_at_price_max":369999,"compare_at_price_varies":false,"variants":[{"id":40096210255958,"title":"Default Title","option1":"Default Title","option2":null,"option3":null,"sku":"ELC3041","requires_shipping":true,"taxable":true,"featured_image":null,"available":true,"name":"Raspberry Pi High-Precision AD\/DA Expansion Board","public_title":null,"options":["Default Title"],"price":339999,"weight":40,"compare_at_price":369999,"inventory_management":"shopify","barcode":"ELC3041","requires_selling_plan":false,"selling_plan_allocations":[]}],"images":["\/\/thinkrobotics.com\/cdn\/shop\/products\/high-precision-ad-da-board-1_1.jpg?v=1665188095","\/\/thinkrobotics.com\/cdn\/shop\/products\/high-precision-ad-da-board-3_1.jpg?v=1665188095","\/\/thinkrobotics.com\/cdn\/shop\/products\/high-precision-ad-da-board-4_1.jpg?v=1665188095","\/\/thinkrobotics.com\/cdn\/shop\/products\/high-precision-ad-da-board-5_1.jpg?v=1665188095","\/\/thinkrobotics.com\/cdn\/shop\/products\/high-precision-ad-da-board-2_1.jpg?v=1665188095"],"featured_image":"\/\/thinkrobotics.com\/cdn\/shop\/products\/high-precision-ad-da-board-1_1.jpg?v=1665188095","options":["Title"],"media":[{"alt":"Raspberry Pi High-Precision AD\/DA Expansion Board Online","id":23437333725270,"position":1,"preview_image":{"aspect_ratio":1.0,"height":800,"width":800,"src":"\/\/thinkrobotics.com\/cdn\/shop\/products\/high-precision-ad-da-board-1_1.jpg?v=1665188095"},"aspect_ratio":1.0,"height":800,"media_type":"image","src":"\/\/thinkrobotics.com\/cdn\/shop\/products\/high-precision-ad-da-board-1_1.jpg?v=1665188095","width":800},{"alt":"Raspberry Pi High-Precision AD\/DA Expansion Board Online","id":23437333659734,"position":2,"preview_image":{"aspect_ratio":1.0,"height":800,"width":800,"src":"\/\/thinkrobotics.com\/cdn\/shop\/products\/high-precision-ad-da-board-3_1.jpg?v=1665188095"},"aspect_ratio":1.0,"height":800,"media_type":"image","src":"\/\/thinkrobotics.com\/cdn\/shop\/products\/high-precision-ad-da-board-3_1.jpg?v=1665188095","width":800},{"alt":"Raspberry Pi High-Precision AD\/DA Expansion Board Online","id":23437333692502,"position":3,"preview_image":{"aspect_ratio":1.0,"height":800,"width":800,"src":"\/\/thinkrobotics.com\/cdn\/shop\/products\/high-precision-ad-da-board-4_1.jpg?v=1665188095"},"aspect_ratio":1.0,"height":800,"media_type":"image","src":"\/\/thinkrobotics.com\/cdn\/shop\/products\/high-precision-ad-da-board-4_1.jpg?v=1665188095","width":800},{"alt":"Raspberry Pi High-Precision AD\/DA Expansion Board Online","id":23437333626966,"position":4,"preview_image":{"aspect_ratio":1.0,"height":800,"width":800,"src":"\/\/thinkrobotics.com\/cdn\/shop\/products\/high-precision-ad-da-board-5_1.jpg?v=1665188095"},"aspect_ratio":1.0,"height":800,"media_type":"image","src":"\/\/thinkrobotics.com\/cdn\/shop\/products\/high-precision-ad-da-board-5_1.jpg?v=1665188095","width":800},{"alt":"Raspberry Pi High-Precision AD\/DA Expansion Board Online","id":23437333594198,"position":5,"preview_image":{"aspect_ratio":1.0,"height":800,"width":800,"src":"\/\/thinkrobotics.com\/cdn\/shop\/products\/high-precision-ad-da-board-2_1.jpg?v=1665188095"},"aspect_ratio":1.0,"height":800,"media_type":"image","src":"\/\/thinkrobotics.com\/cdn\/shop\/products\/high-precision-ad-da-board-2_1.jpg?v=1665188095","width":800}],"requires_selling_plan":false,"selling_plan_groups":[],"content":"\u003cp\u003e \u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003eThere's no AD\/DA function on the Raspberry Pi GPIO interface, this may trouble you in the Pi development. However, it won't be a problem anymore. The High-Precision AD\/DA Board allows you to add high-precision AD\/DA functions to the Raspberry Pi.\u003c\/p\u003e\n\u003ch3 data-mce-fragment=\"1\"\u003eFeatures\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eStandard Raspberry Pi 40PIN GPIO extension header, supports Raspberry Pi series boards, Jetson Nano\u003c\/li\u003e\n\u003cli\u003eOnboard ADS1256, 8ch 24bit high-precision ADC (4ch differential input), 30ksps sampling rate\u003c\/li\u003e\n\u003cli\u003eOnboard DAC8552, 2ch 16bit high-precision DAC\u003c\/li\u003e\n\u003cli\u003eOnboard input interface via pinheaders, for connecting analog signal\n\u003cul\u003e\n\u003cli\u003ethe pinout is compatible with Waveshare sensor interface standard, easy to connect various analog sensor modules\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003eOnboard input\/output interface via screw terminals, for connecting analog\/digital signal\u003c\/li\u003e\n\u003cli\u003eFeatures AD\/DA detect circuit, easy for signal demonstration\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 style=\"text-align: center;\"\u003eWhat's on Board\u003c\/h3\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/www.waveshare.com\/img\/devkit\/accBoard\/High-Precision-AD-DA-Board\/High-Precision-AD-DA-Board-intro.jpg\" alt=\"RPi expansion board on board resource\"\u003e\u003cspan\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003col\u003e\n\u003cli\u003e\n\u003cspan class=\"highlight\"\u003eRaspberry Pi GPIO interface :\u003c\/span\u003e\u003cspan\u003e \u003c\/span\u003efor connecting with the Pi\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan class=\"highlight\"\u003eAD\/DA input\/output :\u003c\/span\u003e\u003cspan\u003e \u003c\/span\u003escrew terminals\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan class=\"highlight\"\u003eAD input :\u003c\/span\u003e\u003cspan\u003e \u003c\/span\u003epinheaders, the pinout is compatible with Waveshare sensor interface standard, easy to connect various analog sensor modules\u003c\/li\u003e\n\u003cli\u003e\u003cspan class=\"highlight\"\u003e7.68M crystal\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan class=\"highlight\"\u003eLM285-2.5 :\u003cspan\u003e \u003c\/span\u003e\u003c\/span\u003eprovides reference voltage for the ADC chip\u003c\/li\u003e\n\u003cli\u003e\u003cspan class=\"highlight\"\u003ePhoto resistor\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan class=\"highlight\"\u003eLED output indicator\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan class=\"highlight\"\u003e10K potentiometer\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan class=\"highlight\"\u003eDAC8552 :\u003cspan\u003e \u003c\/span\u003e\u003c\/span\u003e16bit high-precision DAC, 2ch\u003c\/li\u003e\n\u003cli\u003e\u003cspan class=\"highlight\"\u003ePower indicator\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan class=\"highlight\"\u003eADS1256 :\u003cspan\u003e \u003c\/span\u003e\u003c\/span\u003e24bit high-precision ADC, 8ch (4ch differential input)\u003c\/li\u003e\n\u003cli\u003e\u003cspan class=\"highlight\"\u003eADC testing jumper\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan class=\"highlight\"\u003eDAC testing jumper\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan class=\"highlight\"\u003ePower selection jumper\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan class=\"highlight\"\u003eADC reference ground configuration :\u003c\/span\u003e\u003cspan\u003e \u003c\/span\u003ewhen AD single inputted, the AINCOM is reference terminal, can be connected to GND or external reference voltage\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003ch3\u003eInterface Definition\u003c\/h3\u003e\n\u003ctable class=\"tabSty-1\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003ePIN\u003c\/th\u003e\n\u003cth\u003eSYMBOL\u003c\/th\u003e\n\u003cth\u003eDESCRIPTION\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1, 17\u003c\/td\u003e\n\u003ctd\u003e3.3V\u003c\/td\u003e\n\u003ctd\u003ePower supply (3.3V)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2, 4\u003c\/td\u003e\n\u003ctd\u003e5V\u003c\/td\u003e\n\u003ctd\u003ePower supply (5V)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e3, 5, 7, 8, 10, 18, 22, 24, 26, 27, 28, 29, 32, 36, 38, 40\u003c\/td\u003e\n\u003ctd\u003eNC\u003c\/td\u003e\n\u003ctd\u003eNC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e6, 9, 14, 20, 25, 30, 34, 39\u003c\/td\u003e\n\u003ctd\u003eGND\u003c\/td\u003e\n\u003ctd\u003eGround\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e11\u003c\/td\u003e\n\u003ctd\u003eDRDY\u003c\/td\u003e\n\u003ctd\u003eADS1256 data ready output, low active\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e12\u003c\/td\u003e\n\u003ctd\u003eRESET\u003c\/td\u003e\n\u003ctd\u003eADS1256 reset input\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e13\u003c\/td\u003e\n\u003ctd\u003ePDWN\u003c\/td\u003e\n\u003ctd\u003eADS1256 sync\/power off input, low active\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e15\u003c\/td\u003e\n\u003ctd\u003eCS0\u003c\/td\u003e\n\u003ctd\u003eADS1256 chip select, low active\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e16\u003c\/td\u003e\n\u003ctd\u003eCS1\u003c\/td\u003e\n\u003ctd\u003eDAC8552 chip select, low active\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e19\u003c\/td\u003e\n\u003ctd\u003eDIN\u003c\/td\u003e\n\u003ctd\u003eSPI data input\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e21\u003c\/td\u003e\n\u003ctd\u003eDOUT\u003c\/td\u003e\n\u003ctd\u003eSPI data output\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e23\u003c\/td\u003e\n\u003ctd\u003eSCK\u003c\/td\u003e\n\u003ctd\u003eSPI clock\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e31, 33, 35, 37\u003c\/td\u003e\n\u003ctd\u003eGPIO\u003c\/td\u003e\n\u003ctd\u003eextend to sensor interface\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch2\u003e\u003cbr\u003e\u003c\/h2\u003e\n\u003cdiv class=\"imgTextWrap div192w160h\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv class=\"sep10px\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cp class=\"note\"\u003e\u003cstrong\u003e\u003cspan style=\"color: #ff2a00;\"\u003eNote : the Raspberry Pi and sensors in the photo are NOT included.\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003ch2 style=\"text-align: center;\"\u003eDimensions\u003c\/h2\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/www.waveshare.com\/img\/devkit\/accBoard\/High-Precision-AD-DA-Board\/High-Precision-AD-DA-Board-size.jpg\" alt=\"High-Precision AD\/DA Board dimension\"\u003e\u003cspan\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003eDevelopment Resources\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eWiki :\u003cspan\u003e \u003c\/span\u003e\u003c\/strong\u003e\u003ca rel=\"noopener noreferrer\" href=\"https:\/\/www.waveshare.com\/wiki\/High-Precision_AD\/DA_Board\" target=\"_blank\"\u003ewww.waveshare.com\/wiki\/High-Precision_AD\/DA_Board\u003c\/a\u003e\u003c\/p\u003e"}