2 layers35 × 38.4 mm
Handgelenk
Jeija/esp8266-smartwatch
ESP8266 DIY WiFi Smartwatch with MPU-9250, RTC, OLED, FT232, ...
61 parts233
Boards using the MCP73831
234 boardsBoards in 166 GitHub repositories, designed in KiCad, that use the MCP73831 by Microchip Technology. See how each wires it, with its parts, size, README and files; the MCP73831’s symbol, footprint and pinout are on its own page.
- 2 layers109 × 71 mm
- 2 layers35 × 47 mm
- 2 layers22.9 × 50.8 mm
Penguino STM32WL LoRa E5
azerimaker/Penguino-STM32WL-LoRa-E5
This repo contains all the necessary design and fabrication files for the Seeed Studio LoRa-E5 based Penguino Feather breakout board.
58 parts42 - 2 layers132 × 90.7 mm
Dao choc ble right
Mposiblee/Zireael
The keyboard is based on Dao Chok BLE. The locations of components on the board have been changed, space for the battery has been added, and the thumb cluster has also been changed.
79 parts42CERN-OHL-P-2.0 - 2 layers29.2 × 38.1 mm
- 2 layers70 × 151 mm
Dm50
xavierbasc/dm50
DM50 is a cheap, powerful, easy to build, open source hardware, and high precision calculator.
131 parts38GPL-3.0 - 2 layers95.2 × 154.5 mm
- 2 layers126.3 × 92.7 mm
Carpo left
heyitscassio/carpo
Carpo is a 36 keys, low profile, choc spaced, split keyboard.
68 parts29CERN-OHL-S-2.0 - 2 layers84.5 × 80.3 mm
- 2 layers30.5 × 53.9 mm
EdisonBlock 915MHz
EnhancedRadioDevices/915MHzEdisonExplorer
A 915MHz block for the Intel Edison.
117 parts26 - 2 layers31.6 × 15.1 mm
- 2 layers127 × 57.1 mm
- 4 layers44.5 × 34.9 mm
Eclair
upbeatcarri/eclair
Pocket device for taking quick notes, acting as a USB keyboard for PC sync etc., with custom apps samd21, tinygo
56 parts25 - 2 layers50 × 50 mm
- 2 layers64.4 × 42.2 mm
Sharp ce140f emul v2
ffxx68/Sharp_ce140f_emul
At the time (I'm talking about mid '80s early '90s), what I thought my Sharp-PC was missing the most was a convenient way to store and load programs.
54 parts22 - 2 layers369.8 × 133.2 mm
Bumwings v001 core
tubbytwins/bumwings-kbd
Ergonomic keyboard PCB design that uses the Waveshare RP2040-zero board.
153 parts22MIT - 2 layers45.7 × 67.3 mm
- 2 layers17.8 × 30.5 mm
STM32L422KB LiPo
WRansohoff/STM32_LiPo_Example
Simple lithium battery-powered STM32 board using an MCP73831 for charging.
29 parts17MIT - 2 layers92.5 × 82.8 mm
Rifle and sensors
DAlexis/caustic-lasertag-system
Caustic project is a full-featured indoor and outdoor lasertag system
268 parts16 - 4 layers22.9 × 50.8 mm
Penguino STM32WL M
azerimaker/Penguino-STM32WL-MAMWLExx
This repo contains all the necessary design and fabrication files for the MoveSolution's MAMWLExx based Penguino STM32WL breakout board.
68 parts15 - 2 layers25.1 × 25.2 mm
Mini Environmental Sensor
MbFredys/PCB-Mini-Environmental-Sensor
Compact ESP32-C3 environmental-sensor PCB design using BME280 and SGP40 for temperature, humidity, pressure, and VOC-based air-quality sensing.
34 parts14 - 4 layers38 × 74 mm
Tympan Rev E
Tympan/Tympan_Rev_E_Hardware
Repository for Tympan Rev E Electronics and case designs
93 parts14MIT - 2 layers68 × 49.3 mm
