Profile image of CometJu
Flag of China Jilin, China
Member since December 30, 2018
1 Recommendations


Online Offline
I have 8+ years experiences related to hardware and firmware development. - Electronics circuit design(schematic, PCB, simulation) - Microcontrollers(Microchip PIC, ARM, AVR, 8051) - Arduino projects(LED, various LCD, Keyboard, Mic&Speaker, Memory,...) - Wire/wireless communications (Ethernet, WiFi, Bluetooth, ZigBee, USB, RS232/485, CAN, I2C, etc.) - Device development and programming using FPGA/CPLD - sensors (temperature, humidity, precipitation, air pressure,...) - RF/Microwave Devices(active/passive) development I always will satisfy your needs perfectly and clearly. I can work in full-time, 12+ hours/day and can work in your timezone. Also will keep good communication. Best regards, Li.
$20 USD/hr
17 reviews
  • 95%Jobs Completed
  • 96%On Budget
  • 86%On Time
  • N/ARepeat Hire Rate


Recent Reviews

  • image of Veysel O. Project for Li J. -- 2 $400.00 USD

    “he supplied well job”

  • image of Aman B. PCB design for 32 led output control $255.00 USD

    “good Job done, good knowledge, good programmer. Helpful guy. will hire again. Thanks”

  • image of Lee K. Project for Li J. $174.00 AUD

    “Li was very easy to work with, patient with good communication and commands a sound understanding of firmware coding for the 8051 MCU we had. Although we didn't complete the project as I had a tight deadline I think he would be very good working on a longer project given additional time.”

  • image of Maso T. Project for Jiong L. $450.00 USD

    “good job, I will hire him again. thanks”

  • image of Roy S. Change Voltage Regulator Foot Print on PCB (Arduino Code) $150.00 USD

    “Mingxian was a pleasure to work with, super nice person, great communication and most important did a professional job redesigning my PCB.”

  • image of Pradeep M. Raspberry Pi Compute module 3 custom IO board required. $350.00 USD

    “I would like to thank mr @Mingxian for his so much patience to listen to clients requirement ,very good knowledge, very good communicative guy and he will work towards understanding the client requirement even though requirements are unclear from client side so i would like to hire him again for up coming projects.i would recommend for others as well.”


Hardware and Firmware developer

Apr 2014

I 'm working in this company as a Hardware and Firmware developer.



2009 - 2014 (5 years)


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