| The circuit described is based on a Type DS1620 temperalure sensor from Dallas Semiconductor. This device can measure temperature wtth a...
| The circuit described is based on a Type DS1620 temperalure sensor from Dallas Semiconductor. This device can measure temperature wtth a...
| There are often occasions when a higher direct voltage is required than an available battery can provide. In many such cases, the circuit...
| One tiny integrated circuit and a handful of standard components allow you to build a multi-purpose proximity switch. The circuit can be us...
| The circuit shown in here has been designed to protect (expensive) high-power resistors against overheating. Very high power resistors (...
| When medium to Iarge electric motors are started, no counter-e.m.f. is as yet induced, so that very high currents are drawn that often re...
| A circuit is described that is a good compromise between complexity and accuracy. The results can be displayed on a standard digital vol...
| Few things are more frustrating than a circuit which refuses to come to life even after burning the midnight oil trying to find out what is...
| This little circuit is for all cases where you can not hear the doorbell, for whatever reason, but would still like to be alerted if som...
| Although frowned upon by many as addictive and devoid of educational value, computer games can be great fun to play. This little circuit...
| The instrument described in this three-part article is one you can not afford to give a miss since it is very likely the most advanced fre...