| Need a spirit level (i.e., bubble level tool)? This inexpensive aid for a spirit level gives an acoustic and optical indication when the air...
| Need a spirit level (i.e., bubble level tool)? This inexpensive aid for a spirit level gives an acoustic and optical indication when the air...
| Most hobbyists will have some tools that are battery-powered, such as a drill, screwdriver or power scissors. Unfortunately (and especially...
| Digital voltmeters are popular tools for anyone wishing to measure electrical voltages. The circuit described here is, we feel, unique bec...
| PIC on the Rocks is a system for PIC users that allows them to do in-circuit debugging of PIC programs. It uses a simple serial connection...
| Ever since I made my first circuit (a crystal radio) some twenty years ago, I have faced the problem of packaging the finished circuit. T...