ESPConnect Browser-Based Flash Tool
thelastoutpostworkshop has released a new browser-based tool called ESPConnect that allows you to flash firmware to an ESP32 microcontroller without the need to download and install the EspressIF Flash Download…
User Photos and Videos
This post showcases some of the interesting photos and videos CTR2 users have sent me. I hope you’ll find some inspiration here and maybe share your configurations with me. NOTE:…
CTR2-Quad Assembly Manual – v1.0
This manual provides instructions for assembling the CTR2-Quad Upgrade Kit. This kit is intended for customers that already own an M5Dial controller, or want to upgrade from older CTR2-Dial or…
CTR2-Duo
CTR2-Duo is a two-knob controller based on the M5Dial from M5Stack. It was originally branded CTR2-Flex and optioned with two knobs. To minimize confusion, the two-knob CTR2-Flex was rebranded as…
CTR2-Uno
CTR2-Uno is a single knob controller based on the M5Dial from M5Stack. It was originally branded CTR2-Flex. To minimize confusion, the single-knob CTR2-Flex was rebranded as CTR2-Uno to differentiate it…
CTR2-Flex – Now CTR2-Uno and CTR2-Duo
January 1, 2026 Update To simplify the CTR2 product line, CTR2-Flex hardware is being rebranded. The one and two knob hardware is exactly the same as before, but with new…
CTR2-Dial – To Be Discontinued
January 1, 2026 Update In order to simplify the CTR2 product line and eliminate confusion, CTR2-Dial hardware is scheduled to be discontinued once the current inventory of parts runs out.…
CTR2-Flex Firmware
CTR2-Flex firmware is derived from CTR2-Micro firmware. It connects to your radio using WiFi so it’s usable anywhere on your LAN. It doesn’t support SmartLink so remote operation requires either…
CTR2-Dial Firmware
CTR2-Dial is an enhanced version of CTR2-MIDI with a color touchscreen display. It is designed to send MIDI commands to a 3rd-party radio control app, such as Marcus’ (DL8MRE) excellent…