AsymRightBackup
About the AsymRightBackup PCB
AsymRightBackup is an open source AVR/Arduino PCB design by esouthren, published on GitHub under the GPL-3.0 license. It is a 2-layer board measuring 250 × 126.1 mm, with 117 components from 11 distinct parts.
Its main chip is the ProMicro, from the AVR/Arduino family. By type, the board carries 55 relays, 55 diodes, 2 resistors and 1 IC.
It belongs with the keyboards designs in this gallery.
From the project
Asym Split Keyboard
Main components on the AsymRightBackup
AsymRightBackup bill of materials (BOM)
117 components, 11 distinct parts.
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | ProMicro | ArduinoProMicro | U1 |
| 1 | VAL** | HOLE_M3 | HOLE_M3 |
| 51 | KEYSW | Mx_Alps_100-dualside | K0, K1, K2, K3, K4, K5, K6, K7 +43 |
| 1 | — | Mx_Alps_150-dualsided | K11 |
| 2 | KEYSW | Mx_Alps_150-dualsided | K44, K45 |
| 1 | KEYSW | Mx_Alps_125-dualside | K46 |
| 1 | Conn_01x03 | Pin_Header_Straight_1x03_Pitch2.54mm | RGB_STRIP1 |
| 1 | SW_PUSH | SW_PUSH_6mm_h4.3mm | RST_SW1 |
| 1 | Audio-Jack-4 | TRRS-PJ-320A-dual | TRRS1 |
| 55 | D | Diode-dual | D0, D1, D2, D3, D4, D5, D6, D7 +47 |
| 2 | 4.7k | Resistor-Compact | R1, R2 |
AsymRightBackup design files
The KiCad project lives in the esouthren/asym repository on GitHub; these links point at the commit this page was built from.
AsymRightBackup: common questions
What microcontroller does the AsymRightBackup use?
The AsymRightBackup is built around the ProMicro, from the AVR/Arduino family.
How big is the AsymRightBackup PCB?
The AsymRightBackup measures 250 × 126.1 mm, has 2 copper layers and is 1.6 mm thick.
How many components are on the AsymRightBackup?
117 components, from 11 distinct parts. The full bill of materials is listed on this page.
Where can I download the AsymRightBackup design files?
From the esouthren/asym repository on GitHub, which has the KiCad layout; the links under Design files point to each one.
Can I use the AsymRightBackup design in my own project?
Yes, under the terms of its GPL-3.0 license, which esouthren chose for the repository.
Can I test firmware for the AsymRightBackup 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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