| Many radio amateurs in practice use two receivers, one portable and the other a fixed receiver with a PC control facility. The Elektor DSP r...
| Many radio amateurs in practice use two receivers, one portable and the other a fixed receiver with a PC control facility. The Elektor DSP r...
| A tilt sensor is a very versatile device: for example, it can be used as a (game) controller or as an alarm sensor to protect valuables. The...
| Two years ago, I presented here the USB/TTL serial conversion cables from FTDI — wonderful communication and debugging tools. The increasing...
| Passwords are important but also annoying. The more secure the password the more difficult it is to remember. This project based on the Elek...
| This project implements a physical progress bar for Winamp. Here a small ATmega microcontroller uses the USB interface to provide a bidirect...
| Herwe use a green glowing valve as a CPU activity meter. Power and control are both provided by the USB port. A simpler variant on the circu...
| Texas Instruments supplies handy USB evaluation sticks with related software for its low-cost MSP430 controllers. Unfortunately the I/O faci...
| Modern computers no longer come with parallel or serial ports fitted. Although these ports see declining use in practice, to designers, a po...
| Curve tracers have been a staple in Elektor since 1979. This practical project from 2009 measures and records characteristic curves of NPN/P...
| Like it or not, Ball & Beam is a compulsory item on the Electronics Engineering curriculum, specifically for classes on PID (proportional-in...