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.
This inverter, suggested by Motorola, converts a voltage from 8 to 20 V into 28 V with a maximum...
This circuit was found in a Popular Electronics from the 90s. Its purpose is to disable the output...
This circuit is from a 1995 publication. The components are all common and the number of LEDs may...