0.28 Inch LED Digital DC Voltmeter - Green

Super-mini DC voltmeter with a 0.28-inch green LED display; provides direct numeric voltage readout without MCU.

Logical pinout · physical placement not verified

RED
Type · Power
BLACK
Type · Ground
YELLOW
Type · Signal

Pin	Type
RED	Power
BLACK	Ground
YELLOW	Signal

Logical pinout · physical placement not verified

Pin details

3 connections

RED
Power
BLACK
Ground
YELLOW
Signal

Start wiring

I2C · Analog · 3.3 – 5 V · Breakout

Verify supply voltage and logic levels before powering up.

Module pins: RED, BLACK, YELLOW. Schematik maps them to your board in the app.

Power monitors

24 other options

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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