Each meter represents a core on [Lex]’s CPU, while the final two meters show ... The system is controlled by an Arduino Mega, with the meters driven using the PWM pins. The only extra part ...

Somehow [hvde] wound up with a CB radio that does AM and SSB on the 11 meter band. The problem was ... The answer? An Arduino and a few other choice pieces of circuitry. In particular, [hvde ...