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The D1 R2 is a mini wifi board based on ESP 8266EX 11 digital input output pins all pins have interrupt pwm I2C one wire supported except D0 1 analog input 3 3V max input A Micro USB connectionA power jack 9 24V power input Compatible withCompatible with nodemcuTechnical specs MicrocontrollerESP 8266EXOperating Voltage3 3VDigital I O Pins11Analog Input Pins1Clock Speed80MHz 160MHzFLash4M bytesLength68 6mmWidth53 4mmWeight25gPinFunctionESP 8266 PinTXTXDTXDRXRXDRXDA0Analog input max 3 3V inputA0D0IOGPIO16D1IO SCLGPIO5D2IO SDAGPIO4D3IO Pull upGPIO0D4IO pull up BUILTIN LEDGPIO2D5IO SCKGPIO14D6IO MISOGPIO12D7IO MOSlGPIO13D8IO pull down SSGPIO15GGoundGND5V5V 3V33 3V3 3VRSTResetRST All IO have interrupt pwm I2C one wire supported except D0 Programming The D1 R2 has a micro USB for auto programming Also you can programming it using OTAWarnings All IO is work at 3 3V Package included 1 x D1 R2 WiFi ESP8266 Development Board
By INR795.57
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