2 layers137 × 84 mm
ESP32-Geiger Counter
AronASzucs/Avalanche32
Handheld ESP32-S3 Geiger counter with a firmware-regulated 400 V boost, SBM-20 tube, USB-C charging and OLED display.
89 parts3
Hardware
1,802 boardsKiCad boards from 760 GitHub repositories tagged “hardware”, the most starred first; open any of them in PCBKit.
- 4 layers32.9 × 50.2 mm
Visual ADC Relay Block
baldengineer/VADC-visualized-adc
Building an SAR ADC from scratch. Circuit schematics, PCB design, KiCad files, and Arduino code.
34 parts3MIT - 2 layers71 × 73 mm
Alarm
bbokser/persuasive_waker
An open source hardware alarm clock that can't be snoozed or turned off.
71 parts3MIT - 2 layers83.5 × 93.3 mm
- 4 layers140 × 47 mm
- 2 layers54.1 × 30.1 mm
- 2 layers70.6 × 66.3 mm
Prototype Rev-
DiegoBriceno03/Portable-Biofeedback
Portable Biofeedback device for anxiety management
106 parts3 - 4 layers119 × 63.2 mm
OpenChordM1
FugLong/OpenChord
An open-source music device for portable, expressive, and extensible audio creation.
75 parts3MIT - 2 layers20 × 65 mm
019-tayloe quadrature product detector
Halogenek/modular-rf-bench
Cheap and simple setup for learning RF electronics
30 parts3 - 2 layers25 × 18 mm
Led addon
HarkonenBade/batt
A 1S lipo charge/protect board based on the TP4056 and the FS312F
26 parts3CC-BY-SA-4.0 - 2 layers52.8 × 40.4 mm
OtterX RamExp
hkzlab/OtterX_Ram_Expansion
RAM Expansion for the OtterX (CommanderX16 compatible) computer
9 parts3 - 2 layers43 × 43 mm
Mechaduino Hardware KiCad
IDMIL/Mechaduino-Hardware-KiCad
An updated KiCad port of Tropical Labs' open-source industrial servo.
64 parts3 - 4 layers62.5 × 96.2 mm
- 2 layers
- 2 layers189.2 × 19 mm
- 4 layers50 × 70 mm
- 2 layers80 × 25 mm
- 4 layers53 × 32 mm
Ubiquitous waddle
leonwip/ubiquitous-waddle
Dual channel CANnectivity CAN FD to USB-C adapter
44 parts3CERN-OHL-P-2.0 - 2 layers74.9 × 110.5 mm
- 2 layers346.6 × 119.4 mm
- 4 layers62.5 × 44.5 mm
Esp32s3-plant monitor
MuffinByteLabs/esp32s3-plant-monitor
Portfolio PCB: ESP32-S3 Wi-Fi plant monitor. 4-layer KiCad 10 design, fabricated and assembled at JLCPCB — schematic, reviews and the frozen manufacturing package all readable in-browser.
70 parts3CERN-OHL-P-2.0 - 4 layers100 × 67 mm
2Phase SynchBuck
Natchpai/LQRx-InterleavedBuck
Digitally Controlled 2-phase Interleaved Buck Converter
306 parts3CERN-OHL-S-2.0 - 2 layers100 × 80 mm
X240 pico rev b
nikolareljin/x240-kbd
ThinkPad X240 keyboard and ClickPad USB HID controller using Raspberry Pi Pico RP2040, QMK firmware, and OpenSCAD enclosure files.
42 parts3 - 4 layers25 × 45 mm
