Used with infrared remotes at the time, this circuit was found in a 1991 RE Experimenter Handbook. It may not work with the faster remotes control used today.
This small two-transistor amplifier was found in the April 1994 issue of Electronics Now magazine. This...
This circuit was found in a 1967 Philips documentation. The circuit fires when light stops hitting the...
The existence of field effect transistors at the input of the integrated circuit (operational...