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-Quad Hardware Manual – v1.01
M5Dial based CTR2 hardware is available in three different configurations. All three variations run the CTR2-Flex firmware that provides Bluetooth/USB MIDI control for third-party apps like SmartSDR for iOS, SDR-Control,…
CTR2 2026 Product Line
2025 in Review I’m the first to admit that CTR2 products have gotten confusing over the years. At the first of 2025, I introduced CTR2-Dial, a MIDI controller based on…
CTR2-Quad
CTR2-Quad is the latest addition to the CTR2 product line. It is a four-knob controller based on the M5Dial from M5Stack. It shares the firmware and hardware concepts from its…