Kevin’s LED tester

I’ve made a few devices already that have used 0603 SMD LEDs. 0603 LEDs are beyond tiny and they’re a little trickier to work with when orientation matters. If you look closely at the back of the LED, you’ll notice some markings that indicate which end is the cathode, but in reality it’s really easy to lose track of which end is which. When I was assembling one of my Button Breakout boards, one of the LEDs ...

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