Awesome

AmplifierControl

Automate procedure to switch on/off amplifier and band decode of Kenwood

Matthias Hertel PCF8574 driver

https://github.com/mathertel/LiquidCrystal_PCF8574

Rui Azevedo ArduinoMenu 4. Generic menu/interactivity system for the arduino framework https://github.com/neu-rah/ArduinoMenu