Energy Monitor Shield V2 is Arduino-compatible expansion card designed for building energy monitoring system with the ability to connect I2C OLED-display and built-in wireless transceiver nRF24L01 +. Unlike version 1, has on-board interface phototransistor to read data from the built-in LEDs of different counters and interface RS485.
Connecting one sensors AC (30-100A)
Support I2C OLED-display
Terminal for connecting the phototransistor VTT7122H
Two buttons to control (enabled one analog pin)
Transceiver for 2.4G nRF24L01 + soldered on the motherboard
GROVE-compatible connector: I2C
Fully compatible with Ethernet Shield (Wiznet 5200 + SD)
Energy Monitor Shield V2 P1 X 1
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