This power supply circuit for high power audio amplifiers was found in Radio Electronics from the 90's. Power MOSFETs admit modern equivalents. The output current is 5 A.
This experimental drone circuit was published in a Radio Electronics magazine article from...
This circuit causes an LED to blink from the 1.5 V supply thanks to the use of a voltage doubler. The...
This circuit consists of a traditional version of dimmer with triac and was found in a 2000...