Unusual motorised coin payout mechanism.
I've only seen one of these. This one. It's a coin payout mechanism for gaming or vending equipment that has…
Extra violent resistor roulette. the omg big-fuse remix.
OK, let's spin that crazy wheel again, but faster with less in the way of controlled current limiting. Unleash the…
Power-up self test of a usb power bank.
I covered this power bank on a recent video, but while messing around with it I disconnected the lithium cells…
Fastest way to refill a pilot v-sign pen.
I like these pens a lot, but the thick line they lay down tends to make them get through ink…
Let’s play 240v resistor roulette. place your bets now.
It's a while since I encouraged illicit gambling on YouTube, so here's the latest game you won't find in your…
Testing the capacitors in a mountain breeze ioniser.
Having recently discovered the interesting failure mode of metallised film capacitors, where the metallisation layer can gradually erode electrically over…
Prototype led color puck.
This is something I experimentally made way back in 2007. I often prototype direct to an etched PCB, so sometimes…
Firing a violet laser into parallel white leds.
This is an odd effect I discovered while firing a violet laser at random things. When I ran it across…
Inside another 5w led lamp.
In a refreshing contrast to most of my other videos, I don't actually care much for this lamp at all.…
Inside a 3w led lamp.
This lamp is quite neat and modular. The threaded prismatic lensed front and very standard PCB inside make for a…