2 layers40 × 55 mm
8051 (CH55x, STC, AT89) boards
230 boards230 open-source 8051 (CH55x, STC, AT89) boards from 171 GitHub repositories, each designed in KiCad and read from its files: its size, layers, parts, README and project.
They have a median size of 69 × 47 mm and most often 2 copper layers (93 %). The parts their repositories use most are the CH552G, CH552T, USBLC6-2SC6, CH552E and CH559L.
Parts they use most
- 4 layers188 × 188 mm
- 2 layers285 × 94.6 mm
- 6 layers243.8 × 243.8 mm
Raven
agranlund/raven
Homemade MC68060 + DSP56303 Atari-compatible computer. Hardware, firmware, and software stack
331 parts87 - 2 layers98.5 × 45.4 mm
Idawgz32
ChrisChrisLoLo/idawgz32
A full 32 key mechanical keyboard that can be made for only $5
81 parts77GPL-3.0 - 2 layers178 × 145 mm
Ultra DB X51 v1
ExploreEmbedded/8051_DevelopmentBoard
Design files and sample code for 8051 development Ultra Boards
145 parts70 - 2 layers49.6 × 37.2 mm
- 2 layers21.6 × 33.4 mm
WCH Link
kaidegit/CMSIS-DAPbyWCH
a cheap CMSIS-DAP debugger by an WCH chip named CH549F
23 parts48GPL-3.0 - 2 layers30.4 × 12.7 mm
- 2 layers17.3 × 24.5 mm
- 2 layers40.6 × 27.9 mm
- 2 layers28.3 × 17.8 mm
HIDman mini
serisman/HIDman-mini
USB keyboard/mouse for PS/2 (or AT, Serial) computers. This is the miniature hardware version compatible with the https://github.com/rasteri/HIDman firmware.
26 parts32GPL-3.0 - 2 layers85 × 60 mm
- 4 layers10 × 9 mm
PicoGate
blueskull/PicoGate
A tiny FPGA core module based on GW1NZ-LV1, CH552 and SLG46580
108 parts27Unlicense - 2 layers58.3 × 98.2 mm
SandKrux
sandman21vs/SandKrux
Placa de desenvolvimento baseada no chip K210, com entradas para touch, câmera e LCD grande, criada especificamente para rodar o firmware Krux.
176 parts21 - 2 layers68.5 × 84.2 mm
Am32stc8051u
Icey7122/AM32_AI8051U
Using PWMA to output 3 sets of complementary PWM for driving MOSFEET, Using PWMB for capturing external throttle signals, Using ADC to sample voltage and current, for low voltage protection and over current…
110 parts17 - 2 layers22 × 10 mm
Rc brake lights
laneboysrc/rc-brake-lights
Easy-to-build light controller for RC cars that simulates realistic brake and reversing lights
9 parts17MIT - 2 layers283 × 100 mm
- 2 layers230.6 × 109.5 mm
- 2 layers40 × 40 mm
- 2 layers55 × 50 mm
- 2 layers252.8 × 229.6 mm
- 2 layers38.6 × 15.7 mm
LIPS V3.2
milar111/L.I.P.S.
OpenSource Affordable SipAndPuff device: Linear Interface for Paralysis Support
21 parts13 - 2 layers149.2 × 82.5 mm
Questions
Where can I find open-source 8051 (CH55x, STC, AT89) boards?
This page lists 230, from 171 repositories on GitHub, each read from its KiCad files with links to the original repository; PCBKit opens any of them in the browser.
What parts are most common on 8051 (CH55x, STC, AT89) boards?
The CH552G, CH552T, USBLC6-2SC6, CH552E and CH559L appear in the most repositories here; each links to its symbol, footprint and the boards that use it.
How big is a typical 8051 (CH55x, STC, AT89) board?
The median is 69 × 47 mm, most often with 2 copper layers (93 %).