Found in a RE Experimenter Handbook from the 90s, this circuit is intended for the use of LEDs in a flashing system for Christmas trees. The circuit can be expanded
This astable multivibrator configuration causes two LEDs to alternately flash at a frequency...
This is the receiver for the previous circuit, also found in 90s Radio Electronics. The circuit...
This circuit can generate signals up to 5 MHz according the power supply voltage. Frequency is...