2 layers41.4 × 47.5 mm
U2f zero panel
conorpp/u2f-zero
U2F USB token optimized for physical security, affordability, and style
52 parts2.4k
Silicon Labs (EFR32, EFM) boards
163 boards163 open-source Silicon Labs (EFR32, EFM) boards from 124 GitHub repositories, each designed in KiCad and read from its files: its size, layers, parts, README and project.
They have a median size of 54 × 34 mm and most often 2 copper layers (59 %). The parts their repositories use most are the TPS54294PWP, BSS138, IP4220CZ6, EFM8BB21F16G-C-QFN20R and TPS54325PWP.
Parts they use most
- 2 layers13 × 9.4 mm
Tomu
im-tomu/tomu-hardware
A tiny ARM microprocessor which fits in your USB port.
17 parts365CC-BY-SA-4.0 - 2 layers61.8 × 48.5 mm
- 4 layers26 × 12.7 mm
Quadcopter ESC v2
ckflight/ESC-BLDC-HARDWARE
BLDC 3 phase motor speed controller hardware design working with open source BLHeli_S firmware.
74 parts108 - 2 layers20 × 22.3 mm
TinyPEPPER
fishpepper/tinyPEPPER
a tiny 16x16mm hole-to-hole 4in1 brushless ESC running BLHeli_s
97 parts80 - 4 layers50 × 59 mm
- 2 layers69.1 × 68.1 mm
Keyboard
hamishcoleman/thinkpad-usbkb
Experimental hardware to convert thinkpad keyboards to usb
78 parts57GPL-2.0 - 4 layers22.3 × 22.3 mm
- 2 layers95.2 × 154.5 mm
- 2 layers115 × 45 mm
- 2 layers30 × 30 mm
- 2 layers120.5 × 46 mm
Kampela E1
Alzymologist/Kampela
Hardware signer and key storage for Substrate ecosystem
192 parts21GPL-3.0 - 4 layers100 × 100 mm
MWGEN G1
MR-DOS/MWGEN-G1
12.5 MHz - 6400 MHz (LMX2572) or even up to 20 GHz (LMX2595) generator board with int./ext. reference.
373 parts18GPL-3.0 - 4 layers124.3 × 113.5 mm
Badge2018
cryptovillage/badge2018
The EFM8 firmware has only been built inside Simplicity Studio.
118 parts17 - 4 layers68.8 × 90.3 mm
Horizon
Horizon-Avionics/Horizon-H1
Building a fully open-source flight computer for amateur rocketry!
173 parts17 - 4 layers20 × 20 mm
ELRS Rx 4PWM ESC 1S rev1.0
crteensy/ELRS-8285-1280-PWM-ESC
A 2.4 GHz ELRS resceiver with PWM output and a 1S, 5A ESC
83 parts13MIT - 8 layers28.9 × 28.9 mm
OpenAIO Whoop
OpenDrone-hw/OpenAIO-Whoop
Open-source 1S whoop AIO: flight controller, 4-channel brushless ESC, ExpressLRS receiver and analog VTX, 25.5x25.5 mm. Planned.
249 parts13CERN-OHL-S-2.0 - 2 layers83 × 83 mm
ESC Frame
aTaylor60/ESC_Frame
A combined frame and 4in1 brushless ESC running BLHeli_s with 16mm hole spacing
117 parts11 - 2 layers21.8 × 16.3 mm
- 8 layers30.4 × 25.2 mm
- 2 layers100 × 100 mm
- 4 layers122.9 × 69.6 mm
Slamdunk
NTNU-TDT4295/slamdunk
SLAMdunk is a project built to map out environments, using a custom built PCB shield meant for a Xilinx PYNQ-Z1.
99 parts7 - 2 layers49.3 × 49 mm
Zigbee led
agendek78/zigbee_led_driver
Zigbee 3.0 4-channel LED strip driver (MGM210L)
77 parts6GPL-3.0 - 2 layers124.5 × 66 mm
Bricoleur pcb
NTNU-TDT4295/BRICOLEUR
This is the collision detection group's final submission for the course TDT4295 Computer Design Project 2018. This course aims to give students an introduction to the process of designing physical computer solutions…
78 parts6
Questions
Where can I find open-source Silicon Labs (EFR32, EFM) boards?
This page lists 163, from 124 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 Silicon Labs (EFR32, EFM) boards?
The TPS54294PWP, BSS138, IP4220CZ6, EFM8BB21F16G-C-QFN20R and TPS54325PWP appear in the most repositories here; each links to its symbol, footprint and the boards that use it.
How big is a typical Silicon Labs (EFR32, EFM) board?
The median is 54 × 34 mm, most often with 2 copper layers (59 %).