Käyttäjän BuiVanHieu profiilikuva
@BuiVanHieu
Maan Vietnam lippu Ho Chi Minh, Vietnam
Jäsen alkaen 16. toukokuuta 2016
2 Suositukset

BuiVanHieu

Online-tilassa Offline-tilassa
Have worked in embedded system since 2005, I'm an expert in PCB design and developing reliable firmware - MCU: Nordic NRF, ATMega, STM32, PIC, Kinetis - RTOS: MQX, FreeRTOS, CooCox - Communication:BLE, ZigBee, GPRS/3G, MQTT, TCP/IP - Tools: Altium, Proteus, Keil, Code Warrior, Eclipse, PCLint, QT Notable projects: - Technical leader of the project to measure water quality on field using solar energy, to report data to server by GPRS, to detect abnormal condition at server, and to view on Android/iPhone - Develop circuit and firmware for an ISE analyzer - Develop PID temperature controlling, optical sensing, and sampling modules for automated biochemical analyzer - Propose a stackable fast prototype hardware library and demo code based on STM32 processor (over 20 modules)
$25 USD/hr
33 arvostelua
5.6
  • 71%Suoritetut työtehtävät
  • 100%Budjetin mukaisesti
  • 87%Ajallaan
  • 21%Uudelleenpalkkaamisaste

Portfolio

Viimeaikaiset arvostelut

  • käyttäjän Carlos S. kuva Nordic BLE 5 and long range beacon and receiver €140.00 EUR

    “The project is not completed according to the dispute”

  • käyttäjän Vladimir G. kuva Project for Hieu B. $900.00 USD

    “The project is not completed according to the dispute”

  • käyttäjän Dennis K. kuva gps design - 05/12/2017 23:37 EST $1014.35 CAD

    “Hieu is very good and knowledgeable about the subject. He patiently spent the time answering our questions related to the subject matter before the project begins or was awarded to him. He gave me confident that he can do the job and he has done so. I will highly recommend Hieu to other potential employers.”

  • käyttäjän Rick H. kuva PCB Design SRT Green PCB $850.00 USD

    “Hieu has delivered a great service again.”

  • käyttäjän Isidro M. kuva Program ESP8266 to read temp and capacitance $30.00 USD

    “The project is not completed according to the dispute”

  • käyttäjän Rick H. kuva PCB Design $333.00 USD

    “Excellent engineering and layout, highly recommend.”

Kokemus

Lecturer

Sep 2010

I have taught courses such as Embedded System Design, Microprocessor-Based Real World Design, Data Communication, Logic Design. Main research interest includes precise automatic measurement, medical devices, wireless sensor networks.

Teacher assistant

Mar 2005 - Aug 2008 (3 years)

I helped professors to prepare for Logic Design, VHDL programming, Data Communication courses.

Koulutus

Bachelor of Computer Science and Engineering, Honors program

2000 - 2005 (5 years)

Master of Electronics

2008 - 2010 (2 years)

Varmennukset

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  • Suositeltu freelancer
  • Maksutapa varmennettu
  • Puhelin varmennettu
  • Henkilöllisyys varmennettu
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