Outdoor xmas ripple projector teardown with schematic
I suppose this could be a nice effect on the front of a house in the winter months. It's a…
Doctorska sausage doctor sausage vs 240v
Doctorska Sausage is an engineered meat product designed to provide maximum nourishment for the masses at low cost. Let's see…
Reverse engineering a grab vehicle sign
I didn't even know what Grab was when I bought this. It turns out that it may be food delivery…
Inside a bluetooth speaker bulb
A look at the circuitry inside a cheap bluetooth speaker that screws into a standard lampholder. The quality of construction…
Inside a proper optical smoke detector status
A look inside a photoelectric smoke detector that uses infrared light to detect an increasing smoke level in a room.…
Some thoughts about veritasium’s electricity theory
By request, some ponderments on the theory presented by Veritasium that energy transfer between a source and load is via…
Ebay is still selling dangerous christmas lights
Grey import Christmas lights have been sold on eBay for a very long time. These are products that are shipped…
Exploring an arcade roulette wheel mechanism
This is the motorised roulette wheel mechanism out of a huge six player arcade machine. This type of machine has…
Solar floating inflatable orb teardown with schematic
Quite a neat device. It's basically an inflatable ball with a weighted base so that it floats (or hangs) with…
Cordless soldering iron teardown with schematic
A look inside a portable soldering iron that uses a vapour style power supply. After it was suggested, I bought…