Profilbillede af DreamCha
@DreamCha
Flag for China Dandong, China
Medlem siden 28. marts 2013
6 Anbefalinger

DreamCha

Online Offline
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
43 anmeldelser
8.5
  • 96%Jobs udført
  • 100%Indenfor Budget
  • 100%Til Tiden
  • 14%Genansættelsesfrekvens

Portfolio

Nylige bedømmelser

Erfaring

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.

Uddannelse

Master of Computer Science

2001 - 2005 (4 years)

Kvalifikationer

Master (2011)

Computer Application

I'm a master of Computer Application.

Publikationer

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.

Certificeringer

  • 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%

Verifikationer

  • Facebook forbundet
  • Foretrukken Freelancer
  • Betalingsverificeret
  • Telefon Verificeret
  • Identitet verificeret
  • E-mailverificeret

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