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.
Start wiring
I2C · Analog · 3.3 – 5 V · Breakout
Verify supply voltage and logic levels before powering up.
Power monitors
23 other optionsINA-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.
Related groups
4 groups
Biomedical Sensor Pad (10 pack) visual preview
BOSON: Heart Rate Monitor Sensor i20 visual preview
Capacitive Fingerprint Reader visual preview
Capacitive Fingerprint Reader (B) visual previewBiometrics
UART/I2C fingerprint modules, MAX30102 PPG breakouts, and analog ECG/EMG front-ends for access control and hobby biometric sensing.
Sensors · Biometric sensors · 24 parts
0.3M Pixel Serial JPEG Camera Module visual preview
100X Industrial Microscope Lens for Raspberry Pi HQ Camera visual preview
12.3MP Camera Module for NVIDIA Jetson Nano & Raspberry Pi CM3 visual preview
2.4G Wireless Video Transmission Module (640*480 Resolution) visual previewCameras
Pi CSI modules, USB cameras, MCU-class OV2640/OV5640 boards, on-camera AI like HuskyLens and OpenMV, and thermal or ToF imagers — over 130 listings across very different pipelines.
Sensors · Cameras & vision · 139 parts
VL53L1X Time of Flight (ToF) Sensor Breakout visual preview
Solid State TOF LiDAR - CE30-A visual preview
25m Long Distance ToF Laser Sensor (±3cm Accuracy, 100Hz, 100K LUX Resistant) visual preview
4-20HR-MaxSonar-WRMI MB7489 Waterproof Ultrasonic Distance Sensor (50~500cm, IP67) visual previewDistance sensors
About 180 listings spanning VL53-series ToF breakouts, HC-SR04 and MaxSonar ultrasonics, 360° triangulation LiDARs, IR proximity sensors, 24GHz mmWave presence detection and laser break-beam sensors.
Sensors · Distance sensors · 178 parts
4mm Mini Circular Force Sensor visual preview
Adafruit HX711 24-bit ADC for Load Cells / Strain Gauges visual preview
Adafruit Square Force-Sensitive Resistor (FSR) visual preview
Circular Force Sensor (Diameter: 18.3mm, 20g-6kg, Thickness: 0.4mm) visual previewForce & weight
Interlink-style FSRs, strain-gauge load cells with HX711 amplifiers, and ready-made kits like DFRobot's Gravity I2C 1kg scale — from simple touch detection to accurate mass measurement.
Sensors · Force & weight · 28 parts
