4 layers130 × 130 mm

Boards in 3 GitHub repositories, designed in KiCad, that use the PCA9534D by NXP Semiconductors. See how each wires it, with its parts, size, README and files; the PCA9534D’s symbol, footprint and pinout are on its own page.




Th3Link/homeautomation
Components for a CAN-bus home-automation system: relay/rollershutter/ light/button/sensor nodes on a shared CAN bus, bridged to MQTT (and from there to openHAB or Home Assistant) by a gateway.