This power supply circuit was obtained from the February 1993 Radio Electronics magazine. The integrated circuit and power transistors must be provided with heatsinks.
This simple CMOS metronome circuit can be mounted in a small box, providing both sound and light...
This circuit indicates the logical level of a CMOS circuit, extracting the power from the circuit...
September 2017 - Texas Instruments TPS543C20 Step-Down Converters can be found on Mouser...