M-VAVESynths
37-key keyboard with built-in FM synth, 16 RGB pads, 8 encoders, 4 faders
A compact USB MIDI keyboard controller from M-VAVE, released in 2025, that also works as a standalone synthesizer. Its built-in sound engine is a DX7-style FM synth that can load DX7 patches, and it adds a 64-step sequencer with eight stored patterns and an arpeggiator. It has a 1.54-inch display, USB-C for power and data, Bluetooth MIDI and 3.5 mm MIDI in and out jacks.
Shares the JieLi AC791N (WL82) chip, second-stage bootloader, update loader and chip key with the FM-1; only the panel wiring and flash map differ, so Felucca-family FM-1 firmware can be ported by replacing the board layer. Ports and mods are unofficial and install at your own risk. The fm1-to-smk37 flash-safety guide warns that the unit holds per-device data in SPI flash (factory key and pad calibration at 0xC1000, Bluetooth pairing data at 0xC0000, chip key and MAC at 0xFF000) that must never be overwritten. Baud Girl's SMK-37+VA also lists the Donner Starrykey-37 Play and EROK MKE-P37 as supported. The FM-1 recovery caveats (single-bank flash, no established recovery path per AL-255/FM-1-RE) should be assumed to apply here too.
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Closed-source port of Baud Girl's FM-1+VA to the SMK-37 Pro and Elite (and the Donner Starrykey-37 Play and EROK MKE-P37): VA, FM and 8-bit engines, 64-step sequencer, knob banks on K5 to K8.
by Baud Girl
Brick risk. Flashing this carries a known, documented risk of damaging the device.
| Version | Date |
|---|---|
| 101 | 2026-10-12 |
Charles Vestal's FoMni chord harp on the SMK-37: pads as a strum plate, keybed holds the chords.
by genkigenki, Charles Vestal (FoMni)
Brick risk. Flashing this carries a known, documented risk of damaging the device.
| Version | Date | Notes |
|---|---|---|
| smk37-0.2 | 2026-10-13 | |
| 0.1 (old FoMni37 repo) | 2026-10-11 | Archived repository. |
Microtonal drone synth written for the SMK-37: pads gate eight drone voices, a CHAOS pad and fader banks.
by genkigenki
Brick risk. Flashing this carries a known, documented risk of damaging the device.
| Version | Date |
|---|---|
| 0.1 | 2026-10-11 |
okumurari2's MAKU generative ambience machine on the SMK-37, with verbs on the buttons and wheels.
by genkigenki, okumurari2 (MAKU)
Brick risk. Flashing this carries a known, documented risk of damaging the device.
| Version | Date |
|---|---|
| 0.1 | 2026-10-12 |
joshbartlettband-web's children's Rainbow mode on the SMK-37: pads in note colours, a volume cap on K1, no menus, with the full Felucca behind a key combination.
by genkigenki, joshbartlettband-web (Rainbow mode)
Brick risk. Flashing this carries a known, documented risk of damaging the device.
| Version | Date |
|---|---|
| 0.1 | 2026-10-12 |
Patches to the stock SMK-37 Pro image for stable BLE-MIDI pairing with the Woovebox 3.0 (ESP32) and stable DAW use, plus a Windows OTA flasher and a dedicated low-latency ASIO driver.
by amalahama
Brick risk. Flashing this carries a known, documented risk of damaging the device.
| Version | Date |
|---|---|
| v022 | 2026-10-03 |
SLOOP by isod89 ported to the SMK-37: pads in track colours, a pad sound picker, fader banks, outer-key drums. The reference port for the fm1-to-smk37 kit.
Brick risk. Flashing this carries a known, documented risk of damaging the device.
| Version | Date | Notes |
|---|---|---|
| 2.6.1 | 2026-10-13 | |
| 2.6 (old Snoop37 repo) | 2026-10-12 | Archived repository. |
Charles Vestal's X0X groovebox on the SMK-37, with the pads as a 16-step grid. Also builds for the SMK-37 Elite and MKE-P37.
by genkigenki, Charles Vestal (X0X)
Brick risk. Flashing this carries a known, documented risk of damaging the device.
| Version | Date | Notes |
|---|---|---|
| smk37-0.2 | 2026-10-13 | |
| 0.1 (old X0X37 repo) | 2026-10-11 | Archived repository. |
Porting kit and agent playbook for moving open FM-1 firmware to the SMK-37 Pro: board-layer patch series, mapping patterns, a flash-safety guide, and a setup file, written to be driven by a coding agent.
by genkigenki
| Version | Date | Notes |
|---|---|---|
| main | 2026-10-13 | No tagged releases; date is the last commit. |