build_desktop
- Arduino Leonardo
- WS2812 Led strip (I'm using 30 Leds / m)
- MPR121 Capacitive keypad
- Piezo buzzer
Total cost with shipping is less than 10€.
You'll find all STL file in the Desktop_version/3D_model folder in the repo.
| MPR121 | Arduino |
|---|---|
| 5V | VCC |
| GND | GND |
| SDA | 2 |
| SCL | 3 |
| IRQ | Not connected |
| LED strip | Arduino |
|---|---|
| 5V | VCC |
| GND | GND |
| DIN (marked with >) | 5 |
Just wire it on Aruino pins 9 & 10.
I've made a dedicated page for this step.
Note: LEDs are fixed with hot glue