I will design custom raspberry pi hat pcb and expansion board

Moving from a messy breadboard prototype to a commercial product requires a rugged, professionally engineered PCB. I am an electronics design engineer specializing in custom Raspberry Pi HATs, pHATs, and industrial expansion boards designed to official Raspberry Pi hardware standards.

Whether you need to integrate industrial communication protocols, add power management, or interface complex arrays of sensors, I will design a rock-solid hardware solution ready for factory production.

What I Can Build For Your Raspberry Pi Setup:

• Official HAT Specifications: Design with the exact mechanical footprints, 40-pin GPIO pinout alignments, and dedicated ID EEPROM configurations for automatic device tree detection.
• Industrial Gateways: Integrate isolated RS485, CAN bus, Modbus, Ethernet expansions, and wide-input power regulators (e.g., 9V-36V to 5V step-down).
• Power & Battery Systems: Add custom Power-over-Ethernet (PoE) circuits, uninterruptible power supplies (UPS), and smart battery management configurations.
• Peripherals & High-Speed Routing: Route display interfaces (MIPI DSI), camera interfaces (MIPI CSI), USB hubs, PCIe switches, and audio codecs.