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• Create Date November 20, 2024
• Last Updated November 21, 2024

Arduino IC-9700 Contest Keyboard Sketch

The IC-9700 Contest Keyboard is a small Arduino-based circuit that allows an old PS2 keyboard to remotely drive an IC-9700 or in theory any Icom radio with a CI-V interface. It allows quick and easy access to many functions of the radio, as well as 12 pre-set frequencies with a single keystroke. It has 3 connections. +12v, a 3.5mm cable to connect to the CI-V port on the radio, and a PS2 keyboard.

See the IC-9700 Contest Keyboard blog post to download the sketch as well as more information including the parts list.

Parts List (PCB supplied – you need to source the rest.)

1 x Arduino Nano
1 x 7805 5v regulator
3 x 4K7 1/4W resistors
1 x 10K 1/4W resistor
1 x 560R 1/4W resistor
1 x 3mm LED
1 x 1N4148 diode
2 x 100n ceramic capacitors
1 x 4-pin headers (Display)
2 x 2-pin headers (IO / VCC)
2 x 5mm Screw Terminal Blocks (IO / VCC)
1 x USB PCB edge connector
1 x PS2 PCB edge connector