I salvaged ANOTHER military surplus Control Display Unit (CDU) keypad, rewired it to a Teensy 2.0 USB controller, and mounted the whole thing around a VKB Gunfighter & Kosmosima joystick. Now with
How to minimize energy consumption by a Teensy 3.1 - Programming Questions - Arduino Forum
Teensy® 4.1
Introducing the Teensy with HID | USB SNES Gamepad | Adafruit Learning System
Teensy® 4.0
RC Viewer, RC Gamepad, Play video games with the RC Transmitter as Game Controller, Teensy 3.2, RC servo, Radio Controlled, play video games handicapped
PJRC (Teensy) Forum
Phonetroller | Hackaday.io
Teensyduino: Using USB Joystick with Teensy on the Arduino IDE
PJRC (Teensy) Forum
GitHub - rudylacrete/teensy-joystick: Simple firmware which uses a teensy 2.0 as a gamepad controller