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$25 USD / hour
Flag of CN
zhongshan, china
$25 USD / hour
It's currently 7:42 AM here
Joined August 18, 2021
0 Recommendations

Yu Liang L.

@zhuhaiclicky

monthly-level-three.svg
5.0 (1 review)
3.7
3.7
$25 USD / hour
Flag of CN
zhongshan, china
$25 USD / hour
100%
Jobs Completed
100%
On Budget
100%
On Time
N/A
Repeat Hire Rate

Hardware and Firmware Engineer

I am a hardware and firmware engineer and I've designed the electronica and electrical device and develop the MCU firmware. My skills includes - Arduino, STM32, PIC32, AVR, MSP430, Nuvoton, - WiFi, BLE: ESP32, ESP8266, NRF51, NRF52, NRF5340, NRF9160 - GSM/GPRS/GPS: SIM800/SIM900/SIM7000/SIM7600, Quectel, U-Blox - LoRa(SX1276, SX1278, SX1302), Xbee, Z-Wave, - Raspberry Pi, Orange Pi(Allwinner chip), Odroid, Jetson Nano - C/C++, Python, embedded linux, FreeRTOS, Mongoose, ESP-IDF, Zephyr, Yocto, - SPI, I2C, CAN, one-wire, TCP/IP, UDP, Websocket, RS485, mqtt, Modbus, Eth/IP - Internet of Things - PCB Design, PCB Assemble, Altium Designer, EasyEDA, KiCad I have experience in developing the WiFi, BLE, LoRa, 4G/LTE, NB-IoT, GPS, GSM, Zigbee, Z-Wave controllers and sensor meters, medical device, RGB Led Matrix, Motor driver and Controllers. And also developed the embedded linux system and devices. For my clients, I develop the prototype and product in my factory. Based a lot of experience and skills, I can provide the best solution and products for you. You can contact me anytime and I will start working asap. Best regards.
Freelancer C Programmers China

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Portfolio Items

STM32 firmware using CubeIDE, MDK 
STM32 PCB design
STM32F4 motor controller
STM32L4 communication board
STM32 PCB and Firmware
STM32 firmware using CubeIDE, MDK 
STM32 PCB design
STM32F4 motor controller
STM32L4 communication board
STM32 PCB and Firmware
NRF52 SDK
Zephyr RTOS
PCB design
nRF52832, nRF52840, nRF5340, nRF9160 development
Nordic BLE Device
NRF52 SDK
Zephyr RTOS
PCB design
nRF52832, nRF52840, nRF5340, nRF9160 development
Nordic BLE Device
NRF52 SDK
Zephyr RTOS
PCB design
nRF52832, nRF52840, nRF5340, nRF9160 development
Nordic BLE Device
ESP32 LoRa Node with GPS
Raspberry pi lora gateway with gps
LoRa Mesh
LoRa gateway and Node
Raspberry Pi 4G router
Raspberry Pi CM4 PCB
Raspberry pi customized OS based on debian
Raspberry Pi Projects
Raspberry Pi 4G router
Raspberry Pi CM4 PCB
Raspberry pi customized OS based on debian
Raspberry Pi Projects
- ESP32 Camera
- ESP32 Audio Module
- ESP32 Remote Motor controller
ESP32 Projects
- ESP32 Camera
- ESP32 Audio Module
- ESP32 Remote Motor controller
ESP32 Projects
- ESP32 Camera
- ESP32 Audio Module
- ESP32 Remote Motor controller
ESP32 Projects
- ESP32 Camera
- ESP32 Audio Module
- ESP32 Remote Motor controller
ESP32 Projects

Reviews

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5.0
€634.00 EUR
We have achieved an excellent result. The milestones were respected in terms of timing and content. And the goals have been achieved
C Programming Electronics Microcontroller Arduino Bluetooth Low Energy (BLE)
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Flag of IT Giuseppe R. @riolabs
2 months ago

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Top Skills

C Programming 1 Electronics 1 Microcontroller 1 Arduino 1 Bluetooth Low Energy (BLE) 1

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