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Gravity: I2C Digital Wattmeter

SEN0291 · DFRobot

Gravity: I2C Digital Wattmeter photo

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. (DFRobot SEN0291)

Part numberSEN0291
ManufacturerDFRobot
CategorySensors › Current & Voltage
Pins4
Voltage (max)26 V
Current8 A
Tolerance0.2 %

Gravity: I2C Digital Wattmeter pinout

PinNameTypeDescription
1VCCpower
2GNDground
3C (SCL/TX)bidirectionalI2C SCL, or UART - see the module's pinout
4D (SDA/RX)bidirectionalI2C SDA, or UART - see the module's pinout

Schematic symbol and footprint

VCC1C (SCL/TX)3D (SDA/RX)4GND2
Schematic symbol
1234
Footprint: JST PH 2.0 mm 4-pin through-hole (Gravity PH2.0-4P) — to scale, pad 1 in yellow (mm). Check against the datasheet before ordering PCBs.

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