EspressIF LaunchPad Browser Flash Download Tool
EspressIF has released a browser based flash download tool for the ESP32 micro controller. This tool can be used instead of downloading the the Windows based EspressIF Flash Download tool.…
Using MIDI to Control Non-MIDI Apps
CTR2-MIDI and CTR2-Dial provide physical tuning knobs for radio control apps such as SmartSDR for iOS/MacOS, Remote Ham Radio, Thetis, and several others. With all the bells and whistles that…
Download Legacy CTR2-Dial Firmware – v1.01.01
Assembled CTR2-Dial units are programmed with the latest firmware and your firmware license key is installed. If you just want to build a unit using parts you have on hand…
CTR2-Voice – A Voice Synthesizer for CTR2-Micro
Operate your Micro completely standalone with the new CTR2-Voice speech synthesizer
Radio Interface Cables
Build your own interface cables or get part numbers to order them on this page.
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Third-Party Providers
While my passion is providing innovative assembled ham radio products, try as I might, I can’t do it all. Luckily, I don’t have to! Others are stepping up to fill…
Ham Radio Crash Course Video
I’m honored that Josh Nass did a nice review on CTR2-Micro and CTR2-MIDI. As usual, he did a great job of introducing both products and summarizing their usage. Unfortunately, Murphy’s…
CTR2-Micro Assembly Manual v1.6a
You'll find the assembly manual and BOM for the new CTR2-Micro kit here