3Pcs D1 R2 Wifi Esp8266 Development Board Compatible Uno Program 8727971243633

3Pcs D1 R2 Wifi Esp8266 Development Board Compatible Uno Program 8727971243633

GreenZech

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). ...

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