| Timer chip ICM7250 from Maxim enables a very simple timer to be designed. The IC has eight programmable inputs for connectlng to, say, tw...
All items tagged with Time and technology (303)
| The governor described in this article is intended primarily for small 12 V motors that draw a current of not more than 2 A. Many governo...
| If you ever need to derive a 5 V line from, say, a 15-25 V supply, National Semiconductors LM1575 and LM2575 are ideal. These switched 5-...
| Most debounce circuits shorten or lengthen the time a switch is pressed to obviate interference pulses caused by switch bounce. The pres...
| When the Atari ST is provided with an external hard-disk drive, it has to be reset after about 15 seconds, as otberwise the drive is not...
| The proposed transmitter provides an optical(infra-red). that is, wireless, connection to a head-phone. The receiver is described in the nex...
| This article is one from our 90s collection, the articles are downloadable as a PDF for all our members. Although the information we have on...
| This article is one from our 90s collection, the articles are downloadable as a PDF for all our members. Although the information we have on...
| The super starter makes it possible to start cars with ageing batteries and obsolescent (coil-based) ignition systems, particularly during...
| This signal generator provides a 440 Hz sine wave output at two levels. The power supply may lie between 1.5 V and 16 V, so that even a...