I will design schematic, layout pcb for esp32, stm32, nrf52, raspberry pi, cm4, cm5

Hi, I'm LIAM, a hardware and firmware professional with 3+ years of experience. I specialize in schematic deslgn, PCB layout, and embedded systems, delivering reliable and high-performance solutions tailored to your needs.

WHAT I OFFER

• pcb deslgn
• schematic deslgn
• esp32
• stm32
• nrf52
• raspberry pi
• cm4
• cm5
• circuit design
• electronics design
• pcb layout
• embedded systems
• iot design
• hardware deslgn
• microcontroller
• firmware support
• altium deslgner
• kicad
• easyeda
• multilayer pcb
• high speed pcb
• low power design
• ble design
• wifi module
• prototyping
• gerber files
• bom design
• pcb engineer
• custom pcb
• carrier board

Key Expertise:

• Design schematic & PCB layout (KiCad, Altium, OrCAD, Eagle)
• High-density boards (12 layers) with DDR3/DDR4, PCIe, Gigabit Ethernet
• Impedance-controlled & miniaturized PCBs for IoT/wearables
• Board-level testing, debugging, validation plans

Skills & Tools:

• CAD: KiCad, Altium, OrCAD, Eagle
• Firmware: C/C++ for STM32, ESP32, nRF52, Arduino, Raspberry Pi
• Protocols: USB, UART, I2C, SPI, CAN, Ethernet
• Wireless: WiFi, BLE, LoRa, ZigBee, UWB, NFC
• Power conversion: Buck, Boost, Flyback
• Applications: IoT devices, RF systems, power supplies, signal processing, multi-CPU boards

THANKS