Yaesu G-5500 K3NG Rotator Controller Board

A Yaesu G-5500 (etc)  rotator controller project based on Anthony Good’s popular K3NG rotator controller.

This project features a Teensy 3.2 microcontroller and Nextion Enhanced HMI user interface.

• Az analogue potentiometer input
• El analogue potentiometer input
• Four NO push-button switch inputs with pull-ups available
• Teensy I/O pins available via pads
• 100 x 50 mm
• Powered from Yaesu G-5500 controller

G-5500 K3NG Controller Board

• GPS serial data pass-through (genuine FTDI chip) to USB allows for simultaneous Teensy  &  PC time-syncing

• High efficiency DC-DC buck 7805 replacement regulator (or use traditional linear 7805 with heat sink)

• Audible Alert (peizo) connector

• Teensy 3.2 Real Time Clock (RTC) battery connector

• Nextion connector

• MT-8870 DTMF module pads available for DTMF experimentation

Rear Connectors

Short-Form Project Kits

Available for purchase from the vk4ghz.com shop.

G-5500 K3NG Rotator Controller Kit

VK4GHZ Nextion firmware for K3NG Rotator Controller available from:

VK4GHZ Nextion for K3NG Rotator Controller

Find VK4GHZ on the Radio Artisan Groups IO:  https://groups.io/g/radioartisan/

Subscribe, like and follow VK4GHZ  on YouTube:  https://www.youtube.c