Unusual street light failure
I've never seen this happen before. The aluminium core LED panel has actually delaminated. I don't know the full history…
Smartap – when the internet of things goes down
This is a home automation product that lets you run a bath or have a shower by voice commands via…
Adding remote control to a 12v fan
I've been experimenting with a system called PIV (Positive Input Ventilation) where a fan draws outside air into the attic,…
Shonky cctv power supply teardown
This is a generic imported CCTV power supply bought from eBay. There are a few issues with it, mainly the…
Mcdonalds mcstrobing mcdownlight mcfix
Not gonna lie - this was actually a very clever fix until they can get the light fixed or replaced.…
Inside a zoll defibrillator – with scary capacitor
This is probably the SCARIEST capacitor I've ever removed from a circuit. It's entire purpose in life is to stop…
Interesting modular connector with a few issues
This connector has one potentially fatal flaw, plus a few other weaknesses. As always with uncertified connectors I do not…
Inside a chinese street light from ebay
It's six years since I've looked at one of these, so I thought I'd buy another and see if the…
Inside a zebra mc18 self-scan terminal
I think it was Frost Giant who sent me an eBay link to these units. They are retired stock being…
New led flame bulb – with schematic
The neon based flicker-flame bulbs have been around for a very long time, and although they were an interesting effect,…