This circuit is an alternative version of the previous one also found in the July 1995 Electronics Now magazine. The triac must be equipped with a heat sink.
This circuit can be used to test zener diodes up to 25 V using a standard multimeter. The voltage...
This circuit without any capacitor operates based in the time the transistor need to turn on. The...
This circuit is suitable for recovering vinyl media, having been found in an old sound magazine from...