DreamCha님의 프로필 이미지
China 국기 Dandong, China
회원 가입 - 2013년 3월 28일
8 추천


온라인 오프라인
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, nRF51/nRF52xxx, 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 proaject quickly, and I will provide the best service of high quality. Thank you.
$38 USD/hr
58개 리뷰
  • 96%작업 완료
  • 100%예산 준수
  • 100%시간 준수
  • 12%중복 고용률


최근 리뷰


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.


Master of Computer Science

2001 - 2005 (4 years)

자격 요건

Master (2011)

Computer Application

I'm a master of Computer Application.



This include the content for the fingerprint image reader designing.

인증 기술

  • C# 1
  • Preferred Freelancer Program SLA
  • Numeracy 1
  • UK English 1
  • Android 1
  • C 1
  • US English Level 1

인증 정보

  • 페이스북 연결
  • 우수 프리랜서
  • 지불 확인 완료
  • 전화 인증 완료
  • 사용자 인증 완료
  • 이메일 인증 완료

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