2 layers86 × 54 mm
RamCard48 512KB
pdo/rc48-512
A 512KB RAM Card for the HP48GX Calculator ==========================================
34 parts2
Open-source KiCad boards
7 match “pdo”Printed circuit boards designed in KiCad and published on GitHub, each with its parts, layers and size, its README and its files; open any of them in PCBKit.
- 2 layers50 × 60 mm
Controller
jpsecher/keyboards
Goals - Good ergonomics - Good for programming - No drivers - Configurable - Use standard components where possible
35 parts1ISC - 2 layers74.2 × 93.7 mm
- 2 layers133 × 35 mm
Stepperdriver front panel
harp-tech/device.stepperdriver
A stepper motor controller device for four motors including individual quadrature encoders.
23 parts1 - 2 layers
AS5600
ambadran/Revolute_Joint
Optimal Cheap Robotic Actuator allowing high Torque and moderate Speed. Allow PRECISE Absolute, Speed and Torque Control. Using 3D-printed Cycloidal Drive, Custom PCB and LQR Control Algorithm.
12 parts - 2 layers110 × 85 mm
Board b
Takazudo/zudo-pd
P15 r1 is the common 27 × 40 mm STUSB4500 15 V / 3 A module for LED first, then PD15. The same PCB, population and NVM image serve both. Source: board-p15-draft.kicadpcb and ../../scripts/schgen/boardp15spec.py.
89 parts1 - 4 layers160 × 80 mm
R3 power
druzvv-hash/r1-s3-logger
ESP32-S3 + INA228 logger: hardware bring-up with SD, SH1106 OLED, 24C32 EEPROM and DS3231 RTC.
199 parts1