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 circuit was obtained in a Hands-On Electronics from the 90's. The circuit turns on one LED at...
Found in a Radio Electronics from the 90s, this circuit generates a 1 kHz signal to serve as a...
WWV is the American broadcaster of hourly signals and frequency standards that operates at 3.5...