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Yujong Ri | Elance
 
176985602337900
Last Sign-in: Sep 5, 2012

Yujong Ri

PCB, Microchip, Engineer
   China
  |   Dandung, ryonyong
  |  6:33 am Local Time

Overview

Minimum Hourly Rate $13

Electronic Engineer over 7 years experiecne in H/W, S/W development.
Experenced the RF module, PID, PWM, DSP, Sensor board...etc
Together PCB design, Digital circuit design, Embeded design, microchip control...etc.

Mainstream products...
* PFCcontrol for Inverter
* Automation (PID)
* RF control
* LCD control
* Step motor control
* AC motor control(VVVF based)
* various sensor control(Alchol, Co2, NH4, Temperature, Cds )

Pcb development environment is Altium designer .
Basically, I will use ARM11 processor ,PIC,dsPIC,DSC,MRF,MCP.
The...

Read More »

Skills (10)

Tested
Assembla
C
Amplifiers and Filters
Analog Electronics
Circuit Design
Digital Electronics
Digital Signal Processing
Electronic Design
Integrated Circuits
Mechanical Engineering

Education

Computer science university
Master
- 1997

Keywords

My Snapshot
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riyujong
Type
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Member Since
September 2012
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Yujong Ri | Elance

Yujong Ri