| 39 This device makes a special form of biofeedback possible in a very simple way. It is based on the principle that the more the body is rel...
| 39 This device makes a special form of biofeedback possible in a very simple way. It is based on the principle that the more the body is rel...
| 7-30 elektor july/august 1 980 There are now a large number of peripheral devices such as VDUs, TTYs, printers etc. available to the amateur...
| There are many occasions when an analogue voltmeter is superior to a digital voltmeter. In certain circum- stances, the swing of a needle ac...
| The versatile 555 timer IC has the habit of turning up in wide variety of circuits. As it is such a useful little device it has become very...
| 7-32 elektor july/august 1980 0 15 O P1 = ()factor preset P2 = fo preset C611000 80525 Many multi-band receivers and cheap communications re...
| 0 vacuum © Wheatstone-bridge INEEK X = 8 V A Wheatstone bridge consisting of four piezo-resistive elements has been diffused onto the top s...
| 7-34 elektor july/august 1980 The electronic fuse shown here is a high speed and easily repaired direct current fuse. The thyristor (Th) is...
| There are many instances, especially in the field of microprocessors, where the majority of system power is required at the standard TT L le...
| There may be instances where temperature measurements have to be made electronically, but where it is not possible to have long leads floati...
| The S566B IC manufactured by Siemens forms the basis of an excellent light dimmer. The circuit is operated by a touch switch and is able to...