| Interfacing your own equipment to GSM devices has been made difficult by the manufacturers because they don’t use standard connectors, very...
| Interfacing your own equipment to GSM devices has been made difficult by the manufacturers because they don’t use standard connectors, very...
| The general assumption is that white LEDs operate at a voltage of 3.6 V and a current of 20 mA, which is about right. Lithium Ion cells coin...
| Those of you who are lucky enough to possess a DVD player and have watched a movie with lots of special effects, will certainly have noticed...
| Display driver ICs are available in several standard implementations. This circuit makes use of a GAL 22V10 to drive two 7-segment displays...
| In the ‘Audio Limiter (for DVD)’ circuit, the peak values of the audio signals are used to reduce the dynamic range of the sound. A possible...
| This circuit complements the remote controls with which practically all consumer electronics devices are equipped: a receiver which can oper...
| Anyone who seriously intends to work with microcontrollers must sooner or later use the C programming language. In this final instalment of...
| By utilising a special processor and a variable step-down converter, STMicroelectronics in partnership with Indigo Manufacturing have succee...
| The light barrier system described in this article allows accurate measurement of the absolute speed of model cars, planes and other moving...
| The SMS Chip checks incoming text for a password, switches outputs interactively or at preset times, controls an LCD and sends status inform...