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Bobby Jain | Elance
 
176985602337900
Last Sign-in: May 2, 2014

Bobby Jain

Electrical Hardware & Firmware Development
   United States
  |   Cary, NC
  |  9:50 am Local Time

Overview

Minimum Hourly Rate $49

I am based in Raleigh metro area in U.S. and have my own lab equipped with test-instruments, soldering station, and more than 200 types of components. I can provide any service starting from requirements study all the way up to approvals (such as FCC).

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Portfolio

This board contains 267 SMT components on the lower side and PTH components on visible...
http://www.contreal.com/wireless-security-system-cpad.html

Skills (10)

Tested
Embedded C
MSP430
Microchip PIC
IAR
GSM
SMS
M2M
I2C
SPI

Service Description

We have designed many battery operated (very low power) and other products involving:

Firmware in Assembly/C/C++

Compilers: IAR, Code Composer, MPLAB/Hi-Tech

Microprocessor / Microcontroller (MSP430, Microchip, ARM)

Serial Communication (I2C, SPI, RS232/RS485/UART, USB, SDI-12),

Wireless: Transceivers in 433 MHz, 902~928 frequency hopping band, FCC certification

Long range communication thru GSM cellular (M2M), PTCRB

Schematics & PCB using PADS (Mentor Graphics)

Analog: Circuits using Op-Amp & discrete components, Analog to digital conversion (ADC) using Sigma-Delta, successive approximation(SAR) & Slope, DC Motor control, PWM control

LCD & LED displays

Sensors: Probes, RMYoung wind sensor, Quadrature shaft/level encoder, Thermistor; PIR and Switch sensors used in security alarm systems, Solenoids/Actuators

PC applications and test scripts in Python and Visual Basic

SMT manufacturing, Sourcing from Asia

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Education

George Mason University
MS
-
Overview  |  Job History  |  Portfolio  |  Resume/C.V.

Keywords

Embedded
Firmware
MSP430
Microchip
Schematic
PCB
GSM
M2M
I2C
Sensor
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Elance Level
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  • 12 months
  • Lifetime
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Identity
Username
contreal
Type
Individual
Member Since
June 2011
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Bobby Jain | Elance

Bobby Jain