Accelerated Flashing LEDs with 4017 (CB25436E)

This LED special effects circuit was found in the February 1992 Radio Electronics magazine. The circuit uses 4 LEDs and is controlled by R3.

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Debounced switch (CB6815E)
This version of the traditional debounce circuit was found in a 1964 documentation. The circuit...
Complementary Emitter Follower (CB25622E)
This high input impedance circuit uses a symmetrical source. Found in the October 1993 issue of...
Police siren (CB7086E)
This oscillator version is from an RCA documentation from the 1970s. Transistors support modern...