Download the Latest Updates – March 7, 2026

March 7, 2026

• Updated both CTR2-MIDI manuals with a new Quick Start Guide section
• Updated CTR2-Micro firmware and manual to v1.07.02
  • Fixed bug that was setting XIT to 0 Hz in Yaesu radios
  • Added support for XIT and XIT/RIT Enable/Disable
  • Updated the operation manual to include instructions for using ESPConnect to flash the firmware
• Updated CTR2-Flex/CTR2-Dial firmware and manuals to v2.05.00
  • Added the ability to add a map name to CTR2-Dial maps. It is displayed in the caption of the Home page. You can edit the name on page 8 of the Settings menu.
  • Increased the number of virtual buttons to each map from 42 to 60 in CTR2-Dial firmware and updated the configuration files to add these buttons.
  • You can change the number of buttons displayed on the Buttons menu in the Settings menu.

CTR2 projects are constantly evolving. New features are being added and old features refined to make them easier to use. Users are intimately involved in the CTR2 evolution process and they’re helping to make good products great products!

Click one of the links below to download the latest software or manual. You can also visit the Download section for these links.

CTR2-Flex/CTR2-Dial

Download the latest CTR2-Flex/CTR2-Dial firmware here: v2.05.00 – March 4, 2026: New map name option and 18 additional buttons in CTR2-Dial firmware

CTR2-MIDI

Download the CTR2-MIDI firmware here – v2.01.00b – March 7, 2026: This version adds support for RemoteTx.

Download the CTR2-MIDI Operation Manuals here – v2.01.00b – March 7, 2026, 2026. There are two manuals. One for CTR2-MIDI mode and one for CTR2-MIDI Flex WiFi mode.

Download the CTR2-MIDI Assembly Manual here – v1.00c – changed Allen wrench for knob setscrew from 1/16″ to 1.5mm

Download the MIDI configuration files for CTR2-MIDI here: v1.0 – January 23, 2026

CTR2-Micro

Download the CTR2-Micro firmware here v1.07.02 – March 5, 2026: This version fixes a bug in the RIT code that always sets XIT to 0 Hz and adds support for XIT and XIT/RIT enable/disable.

Download the CTR2-Micro Operation Manual here v1.07.02 – March 5, 2026

Download the CTR2-Micro Assembly Manual here Updated to v1.6a – changed Allen wrench for knob from 1/16″ to 1.5mm

CTR2-Voice

Download the CTR2-Voice firmware here – v1.01.03 – minor bug fix to announce Station WiFi setting on auto-connect startup

Download the CTR2-Voice Operation Manual here – v1.01.03

CTR2-Display

Download the CTR2-Display firmware here – v1.00.00 – initial release

CTR2-Mini/Mini+

Download the CTR2-Mini firmware here

Download the CTR2-Mini Operation Manual here

Each firmware download page tracks the changes for each update. If you have problems with the current version contact me so I can fix the bug.

73, Lynn, KU7Q