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 common 555 circuit was found in documentation from the 90s. The circuit uses two 555s and the...
Found in General Electric and 1967 documentation, this circuit automatically turns off the...
This tester for common unijunction transistors is nothing more than a low frequency oscillator...