Exploring an Otis Elevator button interface PCB
This is an RS14 module which is connected to a shaft or car network on an Elevator. It has four…
One moment please…
This is an RS14 module which is connected to a shaft or car network on an Elevator. It has four…
A short video showing the counting mechanism from an old Bally pull-handle slot machine (fruit machine). This module counts the…
It's not aluminium! I just wanted to clarify that, if you don't watch the whole video.The earth busbar appears to…
Do not attempt this experiment yourself. It involves exposed hazardous voltage and also quite a lot of meat-based smoke. (Really…
This seems a fairly well designed product with quite a lot of deja-vu in the electronics. I've looked at a…
After the initial disappointment of finding out that this light was about half the size I was expecting, this light…
Your first multimeter can initially seem a bit daunting with all the modes, but the only way to learn is…
Despite the shipping issues, Poundland has started selling some new and interesting Halloween stuff. The strobe is back with new…
A random live stream for no particular reason at all.If sending a superchat (if enabled), please keep it low -…
Beyond the marketing hype, this unit actually has a very clever feature implemented with discrete components, that allows it to…