WEMOS D1 R2 WIFI ESP8266 SHIELD

    Microcontroller: ESP8266EX
    Operating Voltage: 3.3V
    Digital I/O Pins: 11 (all I/O pins have interrupt/pwm/I2C/one-wire capability, except for D0)
    Analog Input Pins: 1
    Flash Memory: 4MB
    On-Board Switching Power Supply:
        Input Voltage Range: 9V to 12V
        Output: 5V at 1A Max
    Board Dimensions: 68.6mm x 53.4mm (2.701" x 2.102") / Long x Wide
    Weight: 21.8g (0.769oz)


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