V18D 0.28 inch Red LED DC Voltmeter Module Dual Wire with Fine Adjustment for DIY
Main Features: ● Measurement range: DC 2.5 - 30V ● Display: 3-digital 0.28 inch seven-segment display ● Display color: Red ● Refresh rate: About 500ms ● Cable length: 15cm ● Hole size: 23.5 x 10.5mm ● For various electronic products and DIY lovers
Plastic + Iron + PCB
Weight and Size
Product Size(L x W x H)
3.40 x 1.10 x 0.90 cm / 1.34 x 0.43 x 0.35 inches
Package Size(L x W x H)
4.40 x 2.10 x 1.90 cm / 1.73 x 0.83 x 0.75 inches
1 x V18D 0.28 inch Red LED DC Voltmeter Module
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Amazing price for such a useful item. Never had any trouble with these meters. Very accurate too.
Other Thoughts or Suggestions:
I connect a resistor across these meters as well as a used 9 volt battery terminal to be used as a voltage tester for all 9 volt batteries. I also ad a protection diode to protect this meter from reverse polarity. Write to me at computerlen for the wiring diagram. You can then sell them as hany and small very accurate battery testers.
Ease of Use: