This is the traditional configuration of a standard lamp with a rectifier. Only incandescent lamp can be used and for the rectified version a 5 W lamp.
This Morse code practice circuit produces a tone at the speaker whose frequency depends on C1 and...
Similar metronome settings can be found at several points in this section. This was taken from a...
With this circuit it is possible to receive signals from the 150 MHz band on common AM radios for...