Inside a usb powered heated neck muff with schematic
Aside from the very weird and misleading product images on eBay (it's not full of beads or radioactive), this isn't…
Inside a twisted led bulb
I chose this lamp to take apart because it has an interesting style. It's very similar to a fashionable (and…
Opening a capacitor-style lithium cell don’t try this
Doing the dangerous things so you don't have to. I recommend against opening lithium cells, as they have some undesirable…
Lithium capacitor in a disposable product
Such an odd twist on these vapour producing devices. This is apparently the MKII version of this product, and probably…
Cheap ‘n’ nasty temu lights – but nice case
To be fair, these were very cheap. So I wonder if they were the "off tolerance" ones. It's not uncommon…
The cause of the bored ape uvc eye burn incident?
The first thing I want to say is that if you were affected by this incident then you are NOT…
Dead solar lights.
The random black dots in the dead lamps makes me think they've had more than a simple overcurrent experience, especially…
Exploring a faulty led driver with schematic
This is the LED driver out of one of the floodlights at my work bench. It started blinking out briefly,…
Fixing my bench light
One of my bench lights started intermittently blinking off and on, and before it got too bad I decided to…
Custom bulb maker 2023
A new and improved version of my bulb making script that allows you to make proper screw-in bulbs or just…