DreamCha

58 reviews

@DreamCha

Dandong, China

회원 가입 - 2013년 3월 28일

8 추천

DreamCha

온라인 오프라인

Senior Electrical & Embedded System Engineer

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

8.6

96%작업 완료
100%예산 준수
100%시간 준수
12%중복 고용률

Portfolios

최근 리뷰

Build a working prototype "Air Quality Device with WiFi" talking to cloud service $2500.00 USD
“Mr Linguang is a super talented person, he is a super star when it comes to designing new hardware from start to finish. If you need any work done, this is your guy for. He did PCB design+ schematic + app and had everything working perfectly within a very short time. I would highly recommend him for your next project”
Philip B. 1개월 전
Nordic nRF52840 High reliability BLE Scanner + UART Interface over USB (CDC) $495.00 USD
“Hi is a professional! Sure will hire him again”
Haim Y. 1개월 전
Project for Linguang L. $1.00 CAD
“Yes he did a great job.”
Siraj A. 1개월 전
LoRAWAN based Monitoring system for Digital Calipers -- 2 $1650.00 USD
“Great worker ! He knows his work thoroughly.”
Rahul V. 2 달 전
Project for Linguang L. -- 2 $70.00 USD
“Linguang L is a professional developer. Has a prompt communication skills. Strongly recommend him.”
James Edward M. 3 달 전
Project for Linguang L. -- 3 £750.00 GBP
“Linguang is extremely hard working and will find a way to resolve any issues and complete the job. I would highly recommend using this freelancer and I look forward to working with him again in the future.”
Lawrence G. 3 달 전

경력

Firmware/Hardware engineer

eachnology 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.

학력

Master of Computer Science

Dalian University of Technology, China 2001 - 2005 (4 years)

자격 요건

Master (2011)

Computer Application

I'm a master of Computer Application.

게시물

相对于该指纹图像输入装置的设计

Dalian University of Technology

This include the content for the fingerprint image reader designing.

인증 기술

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%

인증 정보

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