This circuit operates at a frequency of 80 KHz and modulation up to 60 kHz. The circuit is from 1980s documentation. The PUT is an uncommon component today.
This circuit appeared in a Radio Electronics magazine in March 1962. The circuit uses two...
Using an LDR as a sensor, this circuit from a 90s Hands-On Electronics triggers a relay in the...
This simple reducer can supply devices that require currents up to 1 A. The power transistor must be...