LED tester: curiosity teardown

I got this "LED backlight tester" in a recent mailbag, so today I'm looking closer at it and seeing what's inside. Watch Big Clive's analysis of a similar tester: https://www.youtube.com/watch?v=dbjZs6QVwso And if you want one, here's where I got mine: https://pileofstuff.ca/r/81sun ----- My tip jar: https://www.patreon.com/pileofstuff My other tip jar (channel membership) : https://www.youtube.com/channel/UCRiFz3gNKE3VysarZ7nmqIA/join Buy me a coffee (or a beer): https://ko-fi.com/pileofstuff If you are OK with me getting a commission on your purchases, feel free to use my affiliate links: Ebay: https://ebay.to/33IF7PA Banggood: http://pileofstuff.ca/r/9ajsf Some other links to products may be affiliate links #ElectronicsCreators ----- This isn't the only way to do it. It's probably not the best way to do it. But it's how I did it.