I recently had to build an infrared close proximity sensor that could tell if something was dropped in a parcel delivery drop box. After some searching, I ended up using a microcontroller and a piece ...
The TV-B-Gone is a well known piece of kit in hacker circles: just point it at a noisy TV in a public space, hit the button, and one of the hundreds of IR remote codes for “Power Off” that it blinks ...
[youtube=http://www.youtube.com/watch?v=pIb1scnD67o&w=470] [Rob] lives in a 100-year-old house, and with these antique lath and plaster walls and old window frames ...