1000uf capacitor explodes
Applying reverse polarity at 5A to a 1000uF capacitor. The white-out is the fog of electrolyte produced when the capacitor…
Ebay landfill – solar power car aroma thing
You know how you sometimes get a strong desire to attach things to your vehicle dashboard with cheap double sided…
Ebay atomiser module test with schematic
A look at a very common little atomiser module sold on eBay. This style of circuit is often found in…
Exploring wireless leds with schematic and waveforms
These wireless LEDs seem to be aimed at modellers to allow them to add lights to models without any complex…
110 wireless leds in one coil
If it's worth doing it's worth doing with excess. Having bought 100 of the wireless LEDs before discovering that the…
Poundland’s usb rechargeable beanie light
It's a beanie with a USB rechargeable light from Poundland. Not bad circuitry, and a nice twist on the charging…
Custom battery tray maker
A handy 3D script and guide to adjusting the parameters to make a custom tray to store your batteries or…
Diy custom battery storage trays
A handy 3D script and guide to adjusting the parameters to make a custom tray to store your batteries or…
Inside a wind powered shark light for cars
This item was suggested by Eric, and reminded me of a similar one I bought a very long time ago.…
Fixing another nest heat link – with easy tests
This appears to be a common fault with these units. If your heat link fails out of warranty it may…