0.56 Inch Two Wire LED Display Digital DC Voltmeter

The 0.56 Inch Two Wire LED Display Digital DC Voltmeter uses a two-wire connection positive and negative wires connect across the voltage source being measured, and the module powers itself from that same source while simultaneously displaying the measured voltage. No separate power supply wire is needed. That two-wire self-powered design makes installation simpler than three-wire voltmeters, which need a separate power connection alongside the measurement leads here the same two wires do both jobs.

The 0.56 digital display voltmeter reads from DC 4.5V to 30V, covering the most common supply voltages in DIY electronics 5V USB supplies, 9V battery, 12V solar and automotive systems, and 24V industrial panel supplies all fall within this range. The 200ms update frequency means the displayed reading refreshes every 0.2 seconds, keeping pace with voltage changes from battery discharge or load switching events. At under 20mA current consumption, the module draws less than a small LED from the measured circuit negligible in most projects.

The 2 wire led display suits panel-mount voltmeter where a clean digital readout is needed without running a third wire for separate module power. The -10°C to +65°C operating temperature covers indoor enclosure and light outdoor deployment. The two-wire design requires the measured voltage to be at least 4.5V for the module to power on and display a reading. Below 4.5V, the display goes blank without indicating the actual voltage. The digital dc voltmeter suits battery monitor panels, solar charge station displays, and power supply output monitoring. This voltmeter is working on voltage monitoring and panel instrument. Available on StemVolt.

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Features:

• Self-powered two-wire connection eliminates need for separate module power supply
• DC 4.5V to 30V measurement range covers most DIY and solar project voltages
• LED display digital dc voltmeter have 0.56 inch bright readable led from standard bench viewing distance
• Under 20mA draw adds negligible measurement load to the monitored circuit

Technical Specifications:

Applications:

• LED display digital dc voltmeter monitors battery pack voltage on robot chassis
• 2 wire LED display shows solar battery bank voltage on off-grid power station
• Digital voltmeter monitors 12V supply rail on custom bench power supply front panel
• 0.56 LED voltmeter displays live voltage on DIY variable DC power supply output
• DC voltmeter monitors charging voltage on 12V lithium battery charger station

Package includes:

• 1 x 0.56 Inch Two Wire LED Display Digital DC Voltmeter