| The speed of a model boat can be controlled by varying the supply voltage to the main motor, via remote control. Normally, this control is f...
| The speed of a model boat can be controlled by varying the supply voltage to the main motor, via remote control. Normally, this control is f...
| Micro keyswitches. Single board microcomputer. Plastic case for handheld electronic products. Soldering on. New digital multimeters added to...
| The latest Philips and Grundig top-hit in the home-video field, the Video-2000 system, has received world-wide atten-tion. One cassette, con...
| An important selling point of modern stereo tuners is the number of preset stations which can be selected. However for the home constructor,...
| With many electronic games, such as heads-or-tails, roulette, or any of the versions of electronic dice, a consider-able saving in battery...
| It is often very useful to be able to match the values of capacitors and resistors and the only quick, effective way to do this is by using...
| Good news for SC/MP fans: two new records have been added to the ESS range. One contains the complete NIBL-E program; the other includes som...
| In most cars the engine speed (r.p.m.) is displayed on an analogue scale. However, a digital readout, using seven-segment displays, is also...
| Given the fact that many types of capacitor - especially electrolytics,.... have a wide tolerance (20% is fairly common), it is often desi...
| The design for the `variable fuzz box` was first published in the December 1978 issue of Elektor. Such is the popularity of this ~ circuit,...