Imaginea de profil a utilizatorului DreamCha
Steagul China Dandong, China
Membru din 28 martie 2013
7 Recomandări


Conectat Deconectat
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
51 recenzii
  • 95%Proiecte finalizate
  • 99%Conform bugetului
  • 99%La timp
  • 14%Rata de angajare repetată


Păreri Recente

  • imaginea utilizatorului 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.”

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

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

  • imaginea utilizatorului 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.”

  • imaginea utilizatorului 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!”

  • imaginea utilizatorului Mohi K. Project for Linguang L. $650.00 USD

    “Very knowledgable and fast. Geat work!”

  • imaginea utilizatorului Hugo M. Project for Linguang L. -- 2 $150.00 USD

    “Linguang was professional and assertive having completed the project quickly. I recommend”


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)


Master (2011)

Computer Application

I'm a master of Computer Application.



This include the content for the fingerprint image reader designing.


  • C# 1
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  • Numeracy 1
  • UK English 1
  • Android 1
  • C 1
  • US English Level 1


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