We find this simple circuit that operates at a frequency of 5 to 10 MHz in an old English documentation. The LEDs are of different colors and can be supplied with voltages from 3 to 15 V.
We find this simple circuit that operates at a frequency of 5 to 10 MHz in an old English documentation. The LEDs are of different colors and can be supplied with voltages from 3 to 15 V.