This circuit uses components that are still common despite being from 1995 documentation. The circuit can be powered by 6 to 12 V voltages and the speed of the LEDs' sliding effect is set to P1.
This commercial NEC radio circuit from Japan has an audio power of 300mW and uses 7 germanium...
This sophisticated timer has several activation modes and operation monitoring through sequential LEDs....
This simple circuit from a 1987 documentation can be used in robotics and automation, as well as...