This CMOS circuit for LED displays is from a Radio Electronics magazine from February 1989. The circuit has an enable pulse for storing the value shown on the display.
This circuit of a 1991 PE Hobbyst Handbook allows the brightness of the incandescent lamp to be...
This current source was obtained from an 80's operating manual. The circuit can be applied to modern...
This basic amplifier using complementary transistor in the output sources about 0.5 W of good...