My website: [login to view URL] Dear Client. I have plenty of experience and rich knowledge of Embedded System Development and IoT product. 1) Firmware Development Experiences. - Rich knowledge and experience in C/C++/Embedded C. - MCUs: STM32 family, PIC, Atmega family, 8051 families, MT7698, MT7697. - Arduino UNO, Arduino Mega2560, ESP32/8266. -Rockchip: RV1109, RV1126. - Linux-Embedded: Raspberry Pi, Beaglebone, Orange PI, Banana Pi. - Experience with Keil, IAR, Atmel Studio, QT IDE, Arduino, and Visual Studio. - Rich experiences at variant peripherals. 2)Experience in product - embedded controlling system. - Wearable IoT project. - Variant BLE sensor project. - LED display and color control. - Sensor tag. - Motion loadcell. - FTP, HTTP, TCP/IP, MQTT protocol. 3) Wireless technology such as Bluetooth 5, Wifi, Zigbee, and Lora. -Worked with nRF-52DK, core nRF51822, NRF52832 dev-kit. -Adafruit BLE, CC2540/CC2541, CC3200, ESP8266/ESP32 4) PCB design - Analog design. - Power Design. - High-speed design( up to 40 layer). 5) Embedded C/C++ Linux - Multithread. - Socket TCP/IP, HTTP, FTP - Streaming RTSP, HTTP streaming. - Linux kernel, Linux device, device tree, build root,... - Porting open-source library to our system. - Makefile, GCC, cross-compiler. Thank,