This circuit is from Radio Electronics from March 1985. The circuit uses common components at the time and LEDs as indicators. The power supply is 9V.
With this luminous remote control, which we found in a 1990 publication, using a flashlight you...
Using two PUTs this circuit generates signals as shown in the figure. The circuit is from a Radio...
This circuit was obtained in a 80s RCA documentation. The circuit uses components from that time....