21 LetsSwamp Assemble L
alg0002·LetsSwamp·design/21_LetsSwamp_Assemble_L/21_LetsSwamp_Assemble_L.kicad_pcb
About the 21 LetsSwamp Assemble L PCB
21 LetsSwamp Assemble L is an open source PCB design by alg0002, published on GitHub under the MIT license. It is a 2-layer board measuring 122.3 × 85 mm, with 52 components from 5 distinct parts.
Other key parts include the Waveshare_RP2040-Zero. By type, the board carries 25 diodes, 24 switches, 2 connectors and 1 IC.
It belongs with the keyboards designs in this gallery.
From the project
DIY keyboard "Let's Swamp"
Let's Swamp is an ortholinear split keyboard.
4x6x2=48keys Controller board : Waveshare RP2040-Zero * Supported firmware : - Kermite - PRK Firmware - QMK Firmware
KiCad design files (in design directory) : MIT Firmware files (in firmware directory) : MIT Gerber files (in gerber directory) : MIT Other files: MIT
I have modified Salicylic-acid3/KiCAD_FootPrint to use in this project.

Main components on the 21 LetsSwamp Assemble L
21 LetsSwamp Assemble L bill of materials (BOM)
52 components, 5 distinct parts.
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | Waveshare_RP2040-Zero | Waveshare_RP2040-Zero_Reverse_OmitPins | U1 |
| 1 | MJ-4PP-9 | TRRS_MJ-4PP-9 | J1 |
| 1 | Conn_01x03 | LED_Tape | J2 |
| 24 | SW_Push | CherryMX_HotswapAndSolder_1u | SW1, SW2, SW3, SW4, SW5, SW6, SW7, SW8 +16 |
| 25 | D | Diode_TH_SMD | D1, D2, D3, D4, D5, D6, D7, D8 +17 |
21 LetsSwamp Assemble L design files
The KiCad project lives in the alg0002/LetsSwamp repository on GitHub; these links point at the commit this page was built from.
21 LetsSwamp Assemble L: common questions
How big is the 21 LetsSwamp Assemble L PCB?
The 21 LetsSwamp Assemble L measures 122.3 × 85 mm, has 2 copper layers and is 1.6 mm thick.
How many components are on the 21 LetsSwamp Assemble L?
52 components, from 5 distinct parts. The full bill of materials is listed on this page.
Where can I download the 21 LetsSwamp Assemble L design files?
From the alg0002/LetsSwamp repository on GitHub, which has the KiCad layout; the links under Design files point to each one.
Can I use the 21 LetsSwamp Assemble L design in my own project?
Yes, under the terms of its MIT license, which alg0002 chose for the repository.
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