Found elsewhere in this section, but from other sources, this circuit is from Motorola documentation. The circuit uses a triac of the time and a tripping transformer. The circuit is for 110 V network.
The frequency of this oscillator depends on the amount of light incident on the LDR. The circuit,...
We found this circuit in a 1964 Electronic Design. The components are from that time, but the...
This circuit is from an old National Semiconductor component manual. The circuit can be...