Изображение профиля DreamCha
@DreamCha
Флаг China Dandong, China
На сайте с 28 марта 2013 г.
7 Рекомендации

DreamCha

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How are you? I am a Senior Electronics and Embedded Engineer with the areas of expertise in Home Automation System and Embedded System, product prototyping, Schematic & PCB design and firmware development for systems. As I'm a Master of Computer Science, I have 8+ years of experience in technical projects, project leader including Industrial process control etc. - Microcontroller programming using STM32WB/STM32, ESP32/ESP8266, Arduino, BLE/Bluetooth, WiFi, Ethernet, Zig-bee, GSM/GPS/GPRS/GNSS, Z-Wave - Various LCDs & Sensors, I2C/I2S/SPI, RS232/485 - various PLC & HMI programming such as ADAM, Siemens, Delta, Mitsubishi - Various Servo/Motor control - Windows application & Algorithm development using UWP, C#, C/C++ - Circuit & Schematic & PCB design - Mobile app development for the Hardware So, I can take your project from concept to finished product. I will try my best to complete your projects asap, and I will provide the best services with the high quality. Thanks.
$50 USD/hr
52 отзыва(-ов)
8.5
  • 95%Выполненные работы
  • 99%В рамках бюджета
  • 99%Своевременность
  • 13%Рейтинг повторного найма

Портфолио

Последние отзывы

  • изображение Bill C. Hardware design modification and firmware update $1200.00 USD

    “Good to work with. Doing more work with Linguang to expand the scope of the project.”

  • изображение Tilman J. PCB design & micro-controller programming for IR-sensor device $700.00 SGD

    “Incredibly talented!!! Linguang's ability to comprehend the scope of a task quickly is truly astonishing. His critical view & feedback to our initial design proposal opened us the door to lift our project to a whole new level. His creative footprint will be clearly visible in our final product and we will make sure that he's part of the further process.”

  • изображение Mustafa M. nRF52832 building & running as Central using Arduino $100.00 USD

    “Thank you for the project. He did a good job.”

  • изображение Sanchit A. Customizable IOT floor weighing scale for industrial use $2400.00 USD

    “Good work. Professional attitude and takes interest on the project. I will definitely ask him up for my future requirements.”

  • изображение Donato B. BOOTLOADER FOR 2 CUSTOM BOARD BASED ON ATSAMD21E18 AND ATSAMD21G18 €100.00 EUR

    “Not professional . Very bad experience . Don't make anything of specific of project and sent only a non-working copy of the arduino bootloader of a single card. on a board change name but as a keyboard! Continuous health excuses. money and lost time ! Do not pay anything before you have received the job. Not recommended!”

  • изображение Mohi K. Project for Linguang L. $650.00 USD

    “Very knowledgable and fast. Geat work!”

Опыт работы

Firmware/Hardware engineer

Nov 2005 - Aug 2010 (4 years)

I have been developing several products that contain RFID, zigbee, Bluetooth 2.1, 4.0, USB, RS485/232, Wifi, Zwave and so on. I have rich experiences for hardware/software design/development. I have been developing several projects for C#/C++, Visual Basic, PHP, XML, ASP.NET.

Образование

Master of Computer Science

2001 - 2005 (4 years)

Квалификация

Master (2011)

Computer Application

I'm a master of Computer Application.

Публикации

相对于该指纹图像输入装置的设计

This include the content for the fingerprint image reader designing.

Сертификаты

  • C# 1
    100%
  • Preferred Freelancer Program SLA
    97%
  • Numeracy 1
    96%
  • UK English 1
    83%
  • Android 1
    80%
  • C 1
    80%
  • US English Level 1
    75%

Верификации

  • Соединить с Facebook
  • Предпочтительный фрилансер
  • Оплата подтверждена
  • Телефон подтверждён
  • Личность подтверждена
  • Электронный адрес подтвержден

Мои топ-навыки

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