This is the receiver for the previous transmitter. The signal consists of digital pulses with a compatible TTL or CMOS output. The integrated circuit is a 4093 and a photodiode of any type.
We found this circuit in an old Popular Electronics. The circuit is experimental, driving an LED...
This is a channel of a stereo amplifier and small power with the LM386 suggested by the Radio...
The purpose of this circuit found in a 1994 documentation is to drive a 24 V motor. The circuit...