Frequently bought together:
Description
Features:
| CATEGORY | SPECIFICATIONS |
|---|---|
| Product Type | Digital DC Voltmeter Module |
| Display Size | 0.28 inch |
| Display Color | Green LED |
| Display Type | LED Digital Display |
| Voltage Range | 0 – 100V DC |
| Working Voltage | Best operates at 5V – 24V DC |
| Measurement Type | DC Voltage |
| Accuracy Feature | Auto decimal adjustment |
| Decimal Behavior | <10V → 2 decimal places; ≥10V → 1 decimal place |
| Protection | Reverse polarity protection |
| Build Quality | High quality, durable |
| Design | Very small, compact and lightweight |
| Ease of Use | Simple wiring, plug-and-measure |
| Installation Time | Requires only a few minutes to configure |
| Wiring Type | 3-wire system |
| Red Wire | Power supply positive (+) |
| Black Wire | Power supply negative (–) and common ground |
| Yellow/White/Blue Wire | Measurement voltage positive (+) |
| Single Source Mode | Red and Yellow connected together to positive |
| Dual Source Mode | Red = supply (+), Black = common ground, Yellow = measured voltage (+) |
| Connection Safety | No damage on wiring mismatch (reverse protection included) |
| Maximum Voltage Limit | 100V (must not be exceeded) |
| Safety Recommendation | Leave margin to avoid damage from spikes, ripple, or sudden voltage changes |
| Applications | Battery monitoring (cars, motorcycles), power supplies, electronics projects |
| Functionality | Measures voltage and helps monitor battery status |
| Display Quality | Bright and clear LED display |
| Dimensions/Weight Note | ±2% tolerance in size and weight |
| Condition | 100% brand new |
Package Includes :
1 x 0.28inch 0-100V Three Wire DC Voltmeter Green
CASE 1: If you have only one power source to give Power as well as to measure the voltage

CASE 2: If you have to measure the voltage of another source then


