This is the transmitter for a remote-control system published in the August 1986 issue of Radio Electronics magazine. The circuit uses two 555 CMOS transistors to drive two series LEDs.
This circuit was originally suggested by Texas Instruments, as it is based on one of its...
Obtained from a 1980s Linear Technology documentation, this circuit has a hysteresis of less than...
This monostable circuit was found in a European publication from the 70s, but it is perfectly up...