9-button faceplate for Tangara
- Lua 100%
| fab | dfm pass: drop SOV-168 for being too weird compared to other switches; allow either SOT-23 or SOT-323 transistors | |
| images | guess these labels don't make sense anymore? | |
| pcb | dfm pass: drop SOV-168 for being too weird compared to other switches; allow either SOT-23 or SOT-323 transistors | |
| bringup-test.lua | updates for mainline firmware | |
| buttons.FCStd | make geometry less actively printer-hostile | |
| input.lua | update input.lua for lua i2c api changes | |
| LICENSE | hello world | |
| README.md | updates for mainline firmware | |
Tangarine: a button faceplate for Tangara
Tangarine is a faceplate for the Tangara music player which replaces its touchwheel with a set of buttons. It is designed to fit the touchwheel hole in the stock case, so you don't have to replace it.
photo of a tangara with a tangarine faceplate
BOM
| Quantity | Part | Notes |
|---|---|---|
| 1 | button overlay | 3D print one of fab/buttons-v2-blank.3mf, fab/buttons-v2-inset-symbols.3mf fab/buttons-v2-raised-symbols.3mf in a flexible plastic. |
| 1 | button frame | 3D print fab/buttons-v2-frame.3mf in a rigid plastic. |
| 1 | PCB | Upload tangarine.zip to your favorite PCB fab. |
| 1 | LCD | Same as the stock Tangara. See cool tech zone's sourcing recommendations, or reuse one from a stock faceplate if you have the ability to desolder it. |
| 9 | Recommended: RKC2SJx170 Also supported: TSA007x15, SKTHACE010, anything else with a similar footprint |
Like mechanical keyboards, Tangarine supports getting way too into switches and critiquing them like fancy tea or wine. For best results, say things like "switchfeel" and "notes of clickiness". |
| 10 | 10KΩ resistor, 0603 | |
| 1 | 1MΩ resistor, 0603 | |
| 1 | 2N7002 or equivalent, SOT-23 or SOT-323/SC-70 | Either will work; sometimes one is easier to source than the other. |
| 1 | 22μF capacitor, 1206 | |
| 1 | 1μF capacitor, 0603 | |
| 1 | TCA9535PW or PCA9535PW, TSSOP-24 | No functional differences for how Tangarine uses it; use whichever one you think is a cooler looking letter. |
| 1 | GT-F0509SR15-15SMT01 | FFC connector to mainboard |
Firmware
You'll need at least version 2.0.0 of the Tangara firmware to enable custom input devices.
Once you've flashed that, copy input.lua to the root of your SD card. You can customize the button mapping by editing button_map in this script.
Questions
Why is it called Tangarine?
Because it looks like a sliced-open tangerine, possibly in an odd color.
