| This test chart generator was originally designed to display high-resolution pictures on amateur television (ATV) for station identification...
| This test chart generator was originally designed to display high-resolution pictures on amateur television (ATV) for station identification...
| There are certainly strong similarities between these two approaches to controlling equipment, and with the circuit described here we blur a...
| After our publications covering the 89S8252 Flash Micro Board (December 2001) and the PICee Development System (February 2002) it’s high tim...
| In a real hourglass, silicon dioxide (SiO2) in the form of extremely fine quartz sand trickles from one bulb into the other. In the electron...
| Most commercial digital Capacitance meters can measure capacitors from a few pFs (picofarads) up to 2,000 µF (microfarads). A few are able t...
| Any radio amateur knows the importance of an accurate RF power meter. A wattmeter can be used to measure gain in amplifiers, bandwidth in fi...
| This alarm system uses two PIC16F84 processors and is relatively easy to build and install. The cost is very low compared to ready-made syst...
| This single-board computer, using the popular low-cost PIC16F84 microcontroller, has been developed with educational applications in mind.Th...
| This is a device, built around a PIC16F84-04, which activates an output when the correct access code has been entered on a keypad. This code...
| This article describes a metronome and a diapason (electronic tuning fork) combined into a single unit. The circuit design philosophy was to...