The load controlled by this circuit depends on the triac used. The circuit is from Electronics Now magazine from June 1995.
This small MW transmitter emits its signals at a distance of a few tens of meters, depending on the...
The gates of a 4093 can be used form a two-tone siren as shown in the configuration of Figure. The...
This circuit shows how to use a Vishay IL4216 or IL12-F optodiac to control a triac in a common...