This optical sensor circuit for a robot was found in the March 1986 issue of Radio Electronics magazine. It controls two motors according to signals from optical sensors or couplers.
This circuit was obtained in the publication 101 Electronics Projects of 1979. The circuit can be...
This circuit was obtained in a 1969 documentation. The circuit modulates both the emitter current and...
The integrated circuits used in this 1989 project are uncommon today, including the IF coil that...