Gravity: I2C Digital Wattmeter
The I2C Digital Wattmeter measures voltage, current, and power for electronics within 26V 8A, with ±0.2% accuracy after manual calibration. Ideal for solar and battery applications.
Pinout
- VCC1
Power VCC
Type · powerVoltage · 3.3V to 5.5V per DFRobot SEN0291 wiki pinout table - GND2
Power GND
Type · groundVoltage · 0V - SCL3
I2C clock signal
Type · i2c - SDA4
I2C data signal
Type · i2c - ADDR5
I2C address DIP switch documented in DFRobot SEN0291 wiki pinout table
Type · configuration
Start wiring
I2C · SPI · 3.3V to 5.5V per DFRobot SEN0291 wiki pinout table · 0V
Confirm the data interface matches your host board.
Module pins: VCC, GND, SCL, SDA. Schematik maps them to your board in the app.
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