Hardware Required
You will need a few items to build your own Head Tracker.
Update: The world is low on the Nano 33 BLE Boards but there is stock out there now. Please use the links provided or Octopart search to find one. Basic Versions (ABX00030)
Rotor Geeks - https://rotorgeeks.com/wings-and-planes/head-tracker-equipment Medlin Drone - Prebuilt or Kits available from https://medlin-drone-store.myshopify.com Octopart Search - Will show many suppliers stock, updated regularly
The with headers versions are identical boards but have pin headers already soldered in. You will need to cut the pins off or de-solder if you need to remove them. An easy way is to use a set of flush cut snips and clip off all the pins and remove the plastic bits from the bottom side. You will now only have short pieces of pin remaining. Heat one pin at a time from the top side of the board until it's loose, while holding it in your hand above a table. Smack your hand on the bench and the pin and solder is ejected out downward leaving a nice clean hole.

Thanks to the interest in this project you can now purchase this Head Tracker as a pre-wired kit. Thank you MedlinDrone!

Pre-Built Universal Head Tracker - Version 2
Medlin Drone Store

1) Arduino Nano 33 BLE

There are two variants of the Arduino Nano 33 BLE. The basic one and the "Sense" version. Both are identical PCB's but the Sense has additional IC's installed. The additional proximity sensor can be used instead of a physical switch to reset center.
Sense Part #ABX00031 Basic Nano 33 #ABX00030 You most likely don't want the "with headers" version as this pins are pre-soldered to the board. The other version still comes with the headers, just not installed.

2) Push Button Switch

You will want to be able to line up the camera with the way you are facing. This is done by resetting the center with a button. If you bought the "Sense" version of the Arduino Nano 33 BLE then you can use the proximity sensor instead. Any normally open push button will work. Photo below is an example of a small tactile 6x6mm one.

3) RC Radio

It must support Trainer input functionality (PPM, SBUS or Bluetooth). Most radios support trainer using a PPM w/3.5mm head phone connector. Please refer to your manual for functionality and proper connector.
  • Frsky
  • RadioMaster
  • Jumper
  • Radiolink
  • Spektrum
  • Flysky
  • Futaba
  • and many more..

4) FPV Headset

Any analog or digital FPV headset will work. Brands such as,
  • DJI
  • Fatshark
  • Eachine
  • and many more...

5) Camera + Camera Tilt/Roll/Pan Mount or Gimbal

You will mount this on your plane / drone, which will translate your head movements into camera movement