Chocobanan left
About the Chocobanan left PCB
Chocobanan left is an open source AVR/Arduino PCB design by leonrat, published on GitHub. It is a 2-layer board measuring 158.9 × 92.3 mm, with 62 components from 13 distinct parts.
Its main chip is the ProMicro, from the AVR/Arduino family. Other key parts include the TRRS and Pimoroni_trackpoint. By type, the board carries 34 LEDs, 24 diodes, 3 ICs and 1 switch.
It belongs with the keyboards designs in this gallery.
From the project
An alice-like 40% split keyboard
Main components on the Chocobanan left
Chocobanan left bill of materials (BOM)
62 components, 13 distinct parts.
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | ProMicro | ArduinoProMicro_centered | U1 |
| 1 | TRRS | TRRS-PJ-320A | U2 |
| 1 | Pimoroni_trackpoint | Pimoroni_trackpoint | U3 |
| 1 | RotaryEncoder_Switch | RotaryEncoder_EC11_Switch | SW1 |
| 1 | MX-NoLED | MXOnly-1.5U-NoLED | MX1 |
| 1 | MX-NoLED | MXOnly-1.75U-NoLED | MX2 |
| 4 | MX-NoLED | MXOnly-1.25U-NoLED | MX2.1, MX4, MX8, MX12 |
| 1 | MX-NoLED | MXOnly-2.25U-NoLED | MX3 |
| 19 | MX-NoLED | MXOnly-1U-NoLED | MX5, MX6, MX7, MX8.1, MX9, MX10, MX11, MX12.1 +11 |
| 1 | MX-NoLED | MXOnly-2.25U-ReversedStabilizers-NoLED | MX16 |
| 1 | MX-NoLED | MXOnly-2U-ReversedStabilizers-NoLED | MX20.1 |
| 6 | WS2812B | LED_WS2812B-PLCC4 | RGB1, RGB2, RGB3, RGB4, RGB5, RGB6 |
| 24 | D_Small | D3_TH_SMD_only_back | D1, D2, D3, D4, D5, D6, D7, D8 +16 |
Chocobanan left design files
The KiCad project lives in the leonrat/Chocobanan repository on GitHub; these links point at the commit this page was built from.
- Layoutchocobanan_left.kicad_pcb
- Schematicchocobanan_left.kicad_sch
Chocobanan left: common questions
What microcontroller does the Chocobanan left use?
The Chocobanan left is built around the ProMicro, from the AVR/Arduino family.
How big is the Chocobanan left PCB?
The Chocobanan left measures 158.9 × 92.3 mm, has 2 copper layers and is 1.6 mm thick.
How many components are on the Chocobanan left?
62 components, from 13 distinct parts. The full bill of materials is listed on this page.
Where can I download the Chocobanan left design files?
From the leonrat/Chocobanan repository on GitHub, which has the KiCad layout and the schematic; the links under Design files point to each one.
Can I use the Chocobanan left design in my own project?
The repository has no license, so all rights stay with leonrat. Use it as a reference, and ask the author before reusing the design.
Can I test firmware for the Chocobanan left without the hardware?
Yes. HardLabs builds a simulation of the board from its netlist and BOM, so you can run and debug AVR/Arduino firmware against it before you order a PCB.
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