Support & Downloads

Online Documentation:

• Complete documentation can be found at:
   https://gpstar81.github.io/GPStar-proton-pack/

GitHub Project Page:

• The latest development firmware builds and additional information can be found on our GitHub project page:
  https://github.com/gpstar81/GPStar-proton-pack
  

Firmware Updates:

• Connect the board to computer with programming cable, load the appropriate firmware file onto the flasher, select the right COM port, upload
• Detailed instructions here

Windows Firmware Flasher Download 
Mac Firmware Flasher Download
GPStar Audio Mac Firmware Flasher Download
GPStar Audio Windows Firmware Flasher Download
GPStar II/Attenuator/WiFi Windows Firmware Flasher Download
GPStar Attenuator/WiFi Mac Firmware Flasher Download

Latest Firmware Releases:

GPStar II Beta Firmware (V6.1.Dev) - Date released: 10 October 2025
Proton Pack II (V6.1.Dev) Download
Neutrona Wand II (V6.1.Dev) Download
Attenuator (V6.1.Dev) Download
Sound Effect Files (V6.1.Dev) Download

GPStar Proton Pack and Neutrona Wand - Date released: 13 August 2025
Proton Pack (V6.0.2)  Download
Neutrona Wand (V6.0.2)  Download
Neutrona Wand Bench Test (V6.0.2) Download
Sound Effect Files (V6.0.2) Download

GPStar Attenuator / WiFi - Date released: 13 August 2025
Attenuator / WiFi (V6.0.2) Download

GPStar Single Shot - Date released: 13 August 2025
Single Shot (V6.0.2) Download
Single Shot Sound Effect Files (V6.0.2) Download

GPStar Audio - Date released: 25 November 2024
GPStar Audio (V1.0.4)  Download

GPStar Audio XL - Date released: 19 April 2025
GPStar Audio XL (V1.0.5)  Download

Previous Firmware Releases can be found on the Older Firmware Releases Download Page

Firmware Information:

Attenuator Firmware:

• Detailed instructions on updating the Attenuator or WiFi Module here

Neturona Wand Bench Testing Firmware:

If you wish to test (or use) the Neutrona Wand without a Proton Pack, download and flash the Neutrona Wand Bench Test Firmware to your GPStar Neutrona Wand board. This will allow the Neutrona Wand to operate without waiting for a response from the Proton Pack. This is useful for debugging whether the serial connection is incorrect and preventing things from starting up or to test the Neutrona Wand.

Please note: The Neutrona Wand will not attempt to connect to your Proton Pack if you are running the bench test firmware.

Additional Files:

• GPStar Audio XL Configuration Example (ini)
• GPStar Audio Configuration Example (ini)