4 open source boards using the PCA9555PW,118
Real designs built with the PCA9555PW,118, from public GitHub projects: a quick way to see how others power, decouple and connect it. Each board comes with its KiCad files, full parts list and a render — and you can simulate its firmware on HardLabs.
RP2040/RP2350Shipwrecked
mpkendall
61.8 × 79.6 mm141 parts4LUnlicense17
AVR/ArduinoBDCMotorController
nunosousa
203.5 × 90 mm313 parts4LMIT0
BDCMotorControlShieldMega
150 × 72 mm264 parts2LMIT0
DataShield
34.6 × 53.3 mm31 parts4LMIT0
The PCA9555PW,118 in open source designs
The gallery holds 4 open source boards using the PCA9555PW,118 from 2 GitHub repositories; a typical one measures about 105.9 × 75.8 mm and carries around 203 components.
75% use four copper layers or more, and 100% carry an open source license.
The most starred is Shipwrecked pcb by mpkendall.
Microcontrollers on boards using the PCA9555PW,118
What boards using the PCA9555PW,118 are built for
PCA9555PW,118: common questions
Where can I find a PCA9555PW,118 reference design?
Each of the 4 boards on this page is a real design using the PCA9555PW,118. Open one to see how it is wired up, with the full BOM, a render of the layout and links to its KiCad files.
Which microcontrollers do boards using the PCA9555PW,118 use?
Most are built on AVR/Arduino (1) and RP2040/RP2350 (1).
How big is a typical board using the PCA9555PW,118?
The median is 105.9 × 75.8 mm, and 25% are two-layer designs.
What is the most popular open source board using the PCA9555PW,118?
By GitHub stars, Shipwrecked pcb by mpkendall, with 17 stars.
Can I simulate one of these boards using the PCA9555PW,118 before building it?
Yes. HardLabs turns a board's netlist and BOM into a working simulation, so you can boot and test firmware against it with no hardware on your desk.