The LED Display Digital DC Voltmeter shows live DC (Direct Current) voltage on a 0.56 inch red LED (Light Emitting Diode) numeric display. The 0.56 inch voltmeter reads directly from the source — two wires connect to the positive and negative terminals, and the reading appears on screen within about 500 milliseconds. No extra power supply wire is needed. The module draws its own operating power from the measured circuit.
The dc digital voltmeter updates its reading approximately every 500ms, which means you see voltage changes in near real-time. One non-obvious detail — because the module powers itself from the measured source, it cannot display voltages below its own 4.5V minimum operating threshold. If your source drops to 3V, the display goes blank. The honest limitation is the 36V upper limit — for circuits above 36V DC, a resistor divider or a higher-range voltmeter is needed.
The digital voltmeter display panel fits standard rectangular cutouts in project enclosures and control panels. Electronics students, and builders use it for battery monitors and adjustable power supply. Connect the two wires, secure in the panel cutout, and read immediately. StemVolt provide of tested with a stable confirmed display across the full 4.5V to 36V range.
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Features:
- 0.56 inch LED display gives clear arm-length panel readout
- 500ms update rate provides responsive real-time DC voltage reading
- Two-wire self-powered connection needs no external supply or shunt
- 4.5V to 36V covers 5V 12V 24V and common DC supply ranges
- -10°C to 65°C range suits indoor lab and light outdoor enclosures
Technical specifications:
| Specification | Details |
|---|---|
| Display Type | 0.56″ LED Digital Display |
| Voltage Range | DC 4.5 V – 36 V |
| Update Frequency | 500 ms |
| Operating Temperature | -10°C to +65°C |
| Wiring | Two Wire (Self-Powered) |
 Applications:
- LED DC Voltmeter used for 12V battery enclosure voltage display panel
- College project uses 0.56 inch voltmeter for DIY power supply readout
- Solar charge controller uses digital voltmeter display for battery level
- DC bench supply uses led display voltmeter for output voltage monitor
- Robot chassis uses dc voltmeter digital display for battery voltage check
Package includes:
- 1 x LED Display Digital DC Voltmeter














Ajinkya Patil –
Impressed with quality
Riddhi Solanki –
Shipped same day with professional packing, and pre sale support helped with selection and project requirements.
Dhwani Parekh –
Delivered in 3 days
Rohit Tambe –
This voltmeter provides clear voltage readings and is perfect for power supply monitoring, electronics testing, and hobby projects