Digital DC VoltMeter With Beautiful Case. This is 3D printed Case. Small and work as a protective of this digital voltmeter circuit.Red & black wire is to power the meter.Yellow is for Measuring DeviceVoltage.Max voltage Measure - 0 to 100v( but you need a seperatepower line to power this module like 9v battery or 3.7v battery etc)If you use below 30v then direct connection will work.
0-48volt DC Digital LED Voltmeter With WaterProof Case
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