DIY LED and Zener diode tester

Hi all. Today I will tell you how to make an excellent LED and Zener diode tester. To create it you will need a cell phone charger, multimeter probes and a digital voltmeter. I will explain in detail how to connect together and show the diagram.
LED voltmeter can be purchased here:
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The LCR-T4 radio component tester can be purchased here:
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[@robinbrowne5419]

A very nice and useful tester 🙂👍
But it would be prettier if the red wire went to the red probe and the black wire went to the black probe.

[@Den_Electro_channel]

Thanks Robin:)

[@strelavarss9146]

Great job bro🎉🎉🎉

[@Den_Electro_channel]

Thanks bro:)

[@FaizTech466]

Good