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Dc 0-100v 10a Digital Voltmeter Ammeter Dual Display Voltage Detector Current Meter Panel Amp Volt Gauge 0.28" Red Blue Led - Integrated Circuits - AliExpress
What is the source of this problem? I am studying LED characteristics. I found that yellow and blue LED has low voltages than red and green respectively. - Quora
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Digital Mini LED Display Voltmeter, DC 6-100V LED Voltmeter Signal Light Digital Display DC Voltage Meter Indicator Round Lamp Tester (Blue): Amazon.com: Tools & Home Improvement
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