This circuit was found in the February 1980 issue of Radio Electronics magazine. The digital circuit was shown in two parts, using 20 LEDs in a configuration with the LM3914.
This traditional crystal CMOS oscillator circuit was found in a 1990 Electronics Handbook. The...
This circuit uses only two common transistors and provides good audio power in a speaker. Readers who...
This circuit simulates a unijunction transistor trigger with two bipolar transistors. The circuit...