This circuit of starting lights for auto-race was found in an English documentation from the 80's. The LEDs must be of different colors, for greater realism.
The traditional circuit was taken from a French magazine Radio Plans that no longer exists but can...
March 2017 - Microchip's new 8-bit PIC16F15354 microcontrollers can now be obtained from Mouser...
Found in a 1980s telecommunications documentation, this balanced modulator circuit uses...