Found in a Popular Elecronics from the 90s, this circuit appears in other versions in this section and on the website. The circuit draws one of 10 LEDs and has a sound effect produced during the draw.
May 2017 - The new HMC8500, Analog Devices RF amplifiers with a frequency range of 0.01 GHz to 2.8 GHz...
This simple teaching circuit uses 5 transistors in a monophonic organ version whose notes are...
Found in a 1968 Texas Instruments documentation this circuit uses an SCR from that time. Modern...