3D Printing replacement parts for a camera

My friend Eddie asked if I could print a replacement part for his old, but mostly useful Nikonos camera. Like so many consumer items we have, for the want of a single part or two, it could be almost as good as new. It needed a new knob to turn the film advance winder, and [...]

The finished Arduino wireless water sensor

Back at the end of 2009 I started playing about with an Arduino solution to monitor the water level in a water tank about 300m from the house. The tank isn’t visible from the house so a standard visual tank indicator wouldn’t work. In a nutshell, this sensor measures resistance through an array submerged in [...]