This circuit is from a 1980s Motorola documentation. The circuit can be set to fire from 60 to 120 V DC or from 42 to 84 V AC. The circuit has a forehead button that activates an indicator lamp.
We found this circuit in an old documentation, but the components used offer no difficulty in obtaining...
This project was found in a 1982 publication. It is a small transmitter that can send signals from...
The circuit in the figure can be used to trigger a triac or even a comparator in a project that...