Downloads
| Download Status | Meaning |
|---|---|
| Production (RTW) | Ready to be used commercially (ready to wear). |
| Release Candidate (RC) | Could become a production release if proven solid. |
| Beta | Preview of the next release, not quite ready for production use. |
| Alpha | A very early release, expect many issues! |
tip
All downloads are available freely for commercial and non commercial use.
DUELink Firmware
tip
No need to download. These are already included in the Loader.
| File (Release Notes) | Date | Status |
|---|---|---|
| DUELink FW v0.78 | 2026-02-23 | Beta |
Previous Versions!
MicroBlocks Firmware
MicroBlocks is a free, visual programming language for microcontrollers. Code runs immediately on the hardware without downloading!
tip
No need to download, already included in the Loader.
| Firmware (Release Notes) | Date | Status |
|---|---|---|
| MicroBlocks DUELink v376 | 2026-01-22 | Beta |
Previous Versions!
| Firmware (Release Notes) | Date | Status |
|---|---|---|
| MicroBlocks DUELink v375 | 2026-01-20 | Beta |
| MicroBlocks DUELink v373 | 2026-01-12 | Beta |
| MicroBlocks DUELink v372 | 2026-01-07 | Beta |
| MicroBlocks DUELink v371 | 2026-01-06 | Beta |
| MicroBlocks DUELink v370 | 2025-12-12 | Beta |
| MicroBlocks DUELink v366 | 2025-12-04 | Beta |
| MicroBlocks DUELink v365 | 2025-11-26 | Beta |
| MicroBlocks DUELink v364 | 2025-11-24 | Beta |
| MicroBlocks DUELink v363 | 2025-11-24 | Beta |
| MicroBlocks DUELink v359 | 2025-11-19 | Beta |
| MicroBlocks DUELink v358 | 2025-11-17 | Beta |
| MicroBlocks DUELink v357 | 2025-11-12 | Beta |
| MicroBlocks DUELink v356 | 2025-11-10 | Beta |
| MicroBlocks DUELink v355 | 2025-11-05 | Beta |
| MicroBlocks DUELink v354 | 2025-11-04 | Beta |
| MicroBlocks DUELink v353 | 2025-11-03 | Beta |
| MicroBlocks DUELink v352 | 2025-10-07 | Beta |
| MicroBlocks DUELink v351 | 2025-10-06 | Beta |
| MicroBlocks DUELink v349 | 2025-09-23 | Beta |
| MicroBlocks DUELink v348 | 2025-09-11 | Alpha |
| MicroBlocks DUELink v347 | 2025-09-08 | Alpha |
MicroBlocks Libraries
| Product | Library | Use |
|---|---|---|
| Holiday Tree | holiday-tree.ubl | Control the RGB smart lights and buzzer. |
| Ghizzy | ghizzy.ubl | Control RGB Eyes, mouth, and ears and buzzer. |
| Ghizzy Jr | ghizzy-jr.ubl | Control RGB eyes. |
| All modules! | MicroBlocks Lib v0.12 | Standard libraries zip file |
Arduino Library
Use this library to access DUELink modules using the Arduino Ecosystem.
| Library (Release Notes) | Date | Status |
|---|---|---|
| DUELink Arduino Lib v0.0.8 | 2025-12-12 | Alpha |
| DUELink Arduino Lib v0.0.5 | 2025-09-11 | Alpha |
DUELink Programmer
This is the software we use to program and test DUELink modules, see the DUELink Programmer page.
| Release | Date | Notes |
|---|---|---|
| DUELink Programmer v0045 | 2026-01-30 | Beta |
| DUELink Programmer v0044 | 2025-12-12 | Beta |
| DUELink Programmer v0043 | 2025-11-13 | Beta |
| DUELink Programmer v0042 | 2025-11-05 | Beta |
USB Drivers
DUELink modules use standard USB Classes to work. Operating systems should automatically find and load these drivers. However, we are adding them here in case you need them.
| Driver | Notes |
|---|---|
| Windows USB DFU | Includes x86 and amd64 |
| Windows USB COM | For virtual serial ports. Includes x86 and amd64 |