This circuit is for a siren that can be used with any of the above alarms and also other types. The circuit is from a Radio Electronics magazine from May 1975.
This circuit was found in an Electronic Design from the 90s. The integrated circuit is the LT1016, a...
We found this circuit in a 90s Radio Electronics. The circuit generates frequency-modulated 220 kHz signals. The...
This light effect circuit was found in the July 1971 Radio Electronics magazine. The circuit is...