Ebay LED tester teardown and review

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A real quick video looking inside a cheap ebay LED tester.

Not too bad for the price and a handy thing to have around too.

  1. NFM
  2. ebay
  3. led
  4. tester
  5. cheap
  6. light
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Комментарии
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Good for a start but what of the other functions ACA and CAC 20 - 150ma What of those ? I can't figure the method of use.

chrisleech
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I just got one of those recently after 5 months in the mail !. mine was a piece of crap. the 9V battery didn't fit in the case. there were only 3 resistor values in the band from 2 - 30mA, so I only got 5mA, 10mA and 30mA depending on which hole I used. had to swap out 10 of the SMD resistors to give it a better range. Now I get 2mA, 3mA, 4mA, 6mA, 7mA, 10mA, 12mA, 15mA, 18mA, 19mA, 23mA, 26mA, and 29mA.

markcummings
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An ideal tester would also show me the voltage going across the LED. Normally I have to get and plug in my power supply to find out what the forward voltage is for a particular current.

rupert
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How come you don't know what's inside at the first when there is battery already installed?

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