This ultrasonic digital remote-control transmitter was found in the January 1976 issue of Radio Electronics magazine. The components are from the period. The IC is from the period.
This circuit, very current due to the problems of aedes egypt, was found in an old magazine. It is...
For triggering high-powered loads connected to the power grid, nothing better than using TRIACs. For...
The circuit in the figure is based on an LM101A; diodes can be replaced with equivalents. The...