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

DreamCha

В сети Офлайн
Dear client By creating a cooperative and inspirational working culture, I motivate myself not only to write code and implement software, but also to find solutions to clients business problems. I always have the opportunity to challenge myself and grow and expand my horizons through international assignments. With 15 years industry experience, my expertise are as follows: - Circuit & Schematic & PCB design - Prototype & Mass production - 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, Lora, NFC/RFID - Raspberry Pi using node.js, QT, etc. - various PLC & HMI programming such as Nextion, ADAM, Siemens, Delta, Mitsubishi - Various Servo/Motor control - Mobile app development - C/C++, C#,VB, Embedded C/C++ I will do my best to complete your project quickly, and I will provide the best service of high quality. Thank you.
$38 USD/hr
57 отзыва(-ов)
8.6
  • 96%Выполненные работы
  • 99%В рамках бюджета
  • 99%Своевременность
  • 12%Рейтинг повторного найма

Портфолио

Последние отзывы

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 лучшие навыки

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