td40
TD40
TD40 is a compact 40% mechanical keyboard designed for efficiency and portability.
It features hot-swappable switches, a rotary knob, an OLED display, wireless connectivity, and per-key RGB lighting.
🖼️ Preview
| TD40 (Back) | PCB |
|---|---|
 |
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✨ Features
- Clean PCB design with SMD soldering
- Nice!Nano v2 microcontroller – USB-C & Bluetooth compatible
- Rotary encoder + knob
- 0.91” OLED screen
- Per-key RGB lighting
- Hot-swappable switches
- Open & visible components (Plaid / Romac style)
- Simple, flexible case options
⌨️ Layout
📦 Bill of Materials
| # | Item | Qty |
|---|---|---|
| 1 | PCB | 1 |
| 2 | FR4 plate | 1 |
| 3 | Mica case | 1 |
| 4 | Controller (Nice!Nano v2) | 1 |
| 5 | Switches (5-pin MX footprint) | 45 |
| 6 | Kailh hotswap socket | 45 |
| 7 | Diodes | 46 |
| 8 | Rotary encoder & knob | 1 |
| 9 | 0.91” OLED screen | 1 |
💡 Tip: Check out the repository for firmware, build guide, and more!