STEMMA QT I2C DC current, voltage, and power monitor breakout using the INA237, with up to 85 V bus measurement, high-side or low-side sensing, onboard 15 milliohm shunt, and 3 V or 5 V logic compatibility.
| Pin | Type |
|---|---|
| VIN | Power |
| GND | Ground |
| SCL | I2C |
| SDA | I2C |
| STEMMA QT | Unknown |
| VIN+ | Power |
| VIN- | Power |
| VBUS | Power |
| VBUSVIN+ jumper | Power, Control |
| A0A1 address jumpers | Analog, Control |
I2C · Analog · 3.3 – 5 V · Breakout
Confirm the data interface matches your host board.
Module pins: VIN, GND, SCL, SDA. Schematik maps them to your board in the app.
INA-series I2C monitors, Hall-effect sensors like the ACS723 and Gravity 20A/50A boards, and non-invasive CT clamps for everything from 3.3V rail telemetry to mains current sensing.
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