This simple wireless microphone circuit for the MW band was found in an old American documentation. The coil is the oscillator of an old MW radio.
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...