Power meter impulse counter
Retrofit your power metre so you can track your energy consumption in real time.
Works with BH1750FVI digital light intensity sensor chips.
Communication is over the I2...
1X LOLIN(WEMOS) D1 R2 & mini
The Wemos Mini is a small ESP-8266 based wifi board.
11 digital io pins, all pins have interrupt/pwm/I2C/one-wire supported(except D0)
1 analog input(3.2V...