A technical 3:4 circuit diagram for a two-tone generator, professionally designed by Template.net, with a 9V source, labeled resistors and capacitors, and an LED in clean black line work on a white and pale blue background.

A technical 3:4 circuit diagram for a two-tone generator, professionally designed by Template.net, with a 9V source, labeled resistors and capacitors, and an LED in clean black line work on a white and pale blue background.
Customize it in two ways: