This flasher circuit consists of an astable multivibrator with the frequencies given by the capacitors. The circuit is from 1965 using light bulbs, but LEDs can be used. Power comes from 4 batteries.
This simple circuit serves to demonstrate the working principle of a Set-Reset flip-flop (S-R or...
Found in Motorola documentation from the 1980s, this circuit employs an integrated device from...
This amplified circuit was found in a magazine for radio amateurs 73 of the 90s. The circuit uses an...