The movement of the LEDs in this circuit mimics the back-and-forth movement of a pendulum, making it suitable for clock projects. The circuit is from a Radio Electronics magazine from May 1978.
The integrated circuit used in this stereo preamp is uncommon today, but the circuit can be...
This is one of the first transistorized receivers (2N107) published in the Radio Electronics...
We found this circuit on a Radio Electronics. Similar configurations can be found in this section. The...