This two-digit (up to 99) circuit divides a signal by values programmed by the BCD switches. The circuit comes from a Radio Electronics from February 1989.
The idea is simple: using a flashlight to cut your TV commercials triggers a relay that turns off...
This circuit checks the infrared emission of a common remote control. We found it in the March 1993...
This circuit is from 1968 American medical documentation. The circuit generates pulses of...