Firmware Updater (requires Chrome based browser)

To update your Touch Tester, connect it to your computer via a USB C to USB C or USB A to USB C cable. Once connected, click on the “Connect Device” button. Select the COM port for your device (usually it will be the only one available to select) and the press the “connect” button that comes up. If the connection is successful you will be able to press the “Update Firmware” button and the firmware should update and then reset the device. Do not unplug the device while flashing.

TouchTester Firmware Update

TouchTester Firmware Update

Firmware v2.3024
Update your TouchTester device firmware via USB. Connect your device, then click the button below to start.
Your browser does not support Web Serial. Please use Google Chrome or Microsoft Edge on a desktop computer.
Plug in your TouchTester via USB to begin.

CHANGELOG

2.3024 - Update release 2/5/26

* Info button minor tweak

2.3023 - Update release 1/29/26

* Smaller TT Logo

2.3022 - Update release 01/21/26

* Clean up screen initialization and add startup TT Logo

2.302 - Update release 01/01/2026

* Show "-.--" for open circuits instead of 0.00 to make it clearer

* Improve saber resistance value accuracy slightly

2.301 - interim release

* Added 3rd speaker volume option on Epee/Foil/Saber Test screens.

* Speaker volume cycles up instead of down

2.300 - Main initial release