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Wemos D1 R2 WiFi ESP8266 Development Board Compatible Arduino UNO Program By Arduino IDE

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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 connection
A power jack, 9-24V power input.
Compatible withArduino
Compatible with nodemcu
SKU: N/A Categories: , ,
Technical specs:
Microcontroller ESP-8266EX
Operating Voltage 3.3V
Digital I/O Pins 11
Analog Input Pins 1
Clock Speed 80MHz/160MHz
FLash 4M bytes
Length 68.6mm
Width 53.4mm
Weight 25g
Pin Function ESP-8266 Pin
TX TXD TXD
RX RXD RXD
A0 Analog input, max 3.3V input A0
D0 IO GPIO16
D1 IO, SCL GPIO5
D2 IO, SDA GPIO4
D3 IO,Pull-up GPIO0
D4 IO,pull-up, BUILTIN_LED GPIO2
D5 IO, SCK GPIO14
D6 IO, MISO GPIO12
D7 IO, MOSI GPIO13
D8 IO,pull-down, SS GPIO15
G Gound GND
5V 5V –
3V3 3.3V 3.3V
RST Reset RST

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