Käyttäjän alldevhw profiilikuva
Maan China lippu Tieling, China
Jäsen alkaen 25. heinäkuuta 2018
0 Suositukset


Online-tilassa Offline-tilassa
Embedded Engineer/Full stack developer Be a programmer since 1997. Embedded Engineer: since 2005. Be expert in SBC/Analog circuit /Digital circuit/ PCB layout/Micro controller Program(STM32/AVR/PIC/51 family)/Communication (wireless / ZigBee/Bluetooth/GPRS)/Industrial controller(PLC/SCADA)/Robotics Have developed a lot of product, some of these are used in the China Airline system. ✔️ My top skill is here : ✔ PCB design ✔ Product 3d design ✔ Manufacturing ✔ Firmware programming ✔ Android and iOS App development ✔ MATLAB/LabView ✔️ My experienced field: ✦ IoT (Bluetooth Low Engergy (BLE), LTE 4G, Smart BMS, WiFi, LoRa, RFID, Wireless, GSM, GPS, ... ... ) ✦ Altium Designer, Cadsoft Eagle, Arduino, Keil , IAR, Eclipse, MATLAB, Quartus II, Xilinx ISE/Vivado, CCS ✦ ARM cortex M, A, H serious (stm32f, allwinner, freescale imx, qualcomm snapdragon, ...) ✦ Texas Instrument DSP (tms320c2000, c5000, c6000, msp430, cc1310, etc)
$30 USD/hr
6 arvostelua
  • 100%Suoritetut työtehtävät
  • 64%Budjetin mukaisesti
  • 64%Ajallaan
  • 13%Uudelleenpalkkaamisaste


Viimeaikaiset arvostelut

  • käyttäjän Criss C. kuva Smart home server on Rasbbery and control Devices $1500.00 USD

    “He is professional”

  • käyttäjän Jin C. kuva rapid prototyping gps tracker device $100.00 USD

    “So fast work, very satisfy with his work”

  • käyttäjän Jin C. kuva Looking for a fast developer for a Hardware design. $60.00 USD

    “Great an expert on his working area. Really fast and high quality work. Good job Jin, Thanks again. Definitely re-hire you soon.”

  • käyttäjän Jin C. kuva Project for Liu Z. -- 3 $2150.00 USD

    “Good job, on time & on budget”

  • käyttäjän Jin C. kuva Project for Liu Z. $250.00 USD

    “Quick and excellent redesign of my outdated PCB. Good understanding of the requirements and not afraid to ask for extra information or my own ideas on the end solution. So: good and efficient co-operation. Does he ever sleep? Always immediate reply on the chat”

  • käyttäjän Brad F. kuva Project for Liu Z. $50.00 USD

    “Liu Z. accepted a small project that required programming expertise. He easily deciphered problems and worked with me faithfully till everything was perfected - to a T, and then some! He is patient, an excellent communicator and I will undoubtedly be working with him on large projects in the future. Hire him with full confidence!!!”


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