ear client, Nice to meet you. I read your specification carefully.
I have been working as a firmware and hardware designer for 12+ years.
I have rich experiences in in many embedded systems,home automation and Industrial Control programming using such as VS1005G,STM32F1/2/3/4/7xx, PIC16/18xx, WiFi(ESP32, ESP8266), Zigbee, BLE/Bluetooth, MSP430, Atmega
FPGA(Xilinx, cyclone III...)
Also I have many experience in Multi_layer design up to 12 layers using Altium, Diptrace, KiCAD, Eagle with Various sensors, wireless modules, LCD s and many more.
*** I can make prototype with cheap price and mass production *******
*** I can work full time with 24h/7days********
You can see one of them in my portfolio
In that sense, I think I'm a suitable person you are looking for.
If you give me a chance to interview, I'll explain in more detail and I'll do my best for you.
I will work hard and hard for complete this task successfully.
Best regards.