Top Positive Review for Voltmeter on Banggood

45% OFF 3pcs 0.28 Inch Three-wire 0-100V Digital Red Display DC Voltmeter Adjustable Voltage Meter US$4.99 US$8.99 View It

Overall:

BG414616934 04/02/2024

Very nice little DC volt meter boards. I did need to tweak the trim pot on the back. I paired with a USB decoy board so I can easily tell if the charger puts out 5, 9, or 12 volts. Small enough to mount on that little board. Some times smaller is better. And the price is right. Tip: if your application is between 0 and 40 VDC max, just put a jumper on the board between the points for yellow and red wires and eliminate the yellow wire. Then use red (+) and black (-) to connect to the device under test. Voila, simple. (NOTE: if your source possibly could be in excess of 40 VDC then do not use this tip).

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