6 layers83.5 × 56 mm
Boards using the PCA9557PW
18 boardsBoards in 15 GitHub repositories, designed in KiCad, that use the PCA9557PW by NXP Semiconductors (-40℃~+85℃ 10mA 2.3V~5.5V 250nA 400kHz 8 8 I2C、SMBus No Interrupt Output Open-drain Reset function、Cascading and address extension TSSOP-16 I/O Expanders ROHS). See how each wires it, with its parts, size, README and files; the PCA9557PW’s symbol, footprint and pinout are on its own page.
- 2 layers90 × 71 mm
Power extender
StarGate01/power-extender
Hardware and software for a power and IO extension PCB with current monitoring and I2C interface.
78 parts5MIT - 2 layers293.1 × 108.5 mm
Xiao split
ScatteredDrifter/Cynosure-III
A 38-Key split-keyboard based on Xiao-rp2040 seeduino
150 parts3 - 4 layers45.1 × 45.1 mm
SuperPower uC KiCad
SuperPower/Artemis
All hardware designs and products you can find in this repository is licensed under CERN Open Hardware Licence Version 2 - Weakly Reciprocal
99 parts2 - 4 layers85 × 56 mm
BratwurstPower
Qeteshpony/BratwurstPower
A power supply for a complete, Raspberry Pi based ADS-B Receiver Setup with independent power rails for the different components.
143 parts1BSD-2-Clause - 4 layers55.1 × 55.1 mm
- 2 layers65 × 23.5 mm
Picise
ckuhtz/picise
Prototype for a time / location GNSS accessory for a Raspberry Pi 40-pin GPIO.
39 partsCC-BY-SA-4.0 - 4 layers68 × 100 mm
- 2 layers86 × 66.1 mm
Mayfly adapter v1p1 revB
millerlp/Mayfly_adapter
Circuit board for interfacing 8 analog sensors with EnviroDIY Mayfly v1.1
47 partsGPL-3.0 - 2 layers
- 4 layers90 × 26 mm
User interface
Twisted-Fields/rp2040-motor-controller
A dual channel brushless motor controller based on the RP2040 microcontroller, designed in Kicad.
45 parts419 - 2 layers36 × 144.2 mm
- 2 layers61.8 × 58.3 mm
- 4 layers25.4 × 42.9 mm
- 4 layers80 × 30 mm
- 4 layers80 × 30 mm
- 4 layers80 × 30 mm
- 2 layers86 × 66.1 mm
Mayfly adapter v1p1 revC
millerlp/Mayfly_adapter
Circuit board for interfacing 8 analog sensors with EnviroDIY Mayfly v1.1
24 partsGPL-3.0