I will design schematics, write firmware custom pcb design prototype with kicad easyeda

I am an Electronic Engineer with 20 years+ of experience specializing in hardware design.

I am proficient with a wide variety of:

- Wearable device using Nordic chip like BLE nRF5340, nRF52840, nRF52833; Wifi nRF7002; LTE/NB-ioT nRF9160, nRF9151.

- Processors: IMX6, IMX8, STM32MP151, TI AM6231, 6252, Allwinner T113-S3.

- Microcontrollers: STM32(ST), Kinetis (Freescale-NXP), MSP (TI), PIC (Microchip), ATmega

- Computer module: Raspberry Pi 5, 4, 3, zero; PI CM4; IO board for PI

- Connectivities: GPRS/4G/NB-IoT/LTE-M (SIMCOM SIM800, SIM900A, SIM7070, SIM7080, SIM7600, SIM7000, SIM7020, Quectel MC60, MC66, BG77, BG96, EC21, EC25, EG25, BG95, Sierra); Zigbee; LoRa; RF; WiFi/Ethernet, BLE, ESP32

- High speed: Ethernet upto 10Gbps, USB, HDMI, PCIe,...

- IoT Devices, such as: Device measure Air Quality Index, Water Quality Index, Smart Agriculture, Smartswitch, Gas Detector, CO Detector.

- Sensors: Electrochemical sensors: CO, NO2, SO2, O3; PM2.5; PM10; pH, EC, DO, Temperature, Humidity, Pressure, Soil Moisture,...

I can take your ideal and transform it into a functioning circuit, delivering design file, prototype PCB and detailed BOM, CAD using Altium Designer, KiCAD, Eagle