Circuit design for battery powered sensor devices

Completed Posted May 5, 2014 Paid on delivery
Completed

Looking for someone to hire potentially for several projects. Needs good english skills. Prefer someone in similar time zone (GMT+8). Will do preliminary project to gauge expertise and ability to communicate. If interested, please also include what your availability would be. Would like to start ASAP. Ability to chat over skype at times is helpful as well.

First two projects:

Design amplification circuit the takes 0-40mV to [url removed, login to view] minimizing noise

Create a circuit that uses microcontroller to generate +/- 1V square wave from a single [url removed, login to view] source

Electrical Engineering Electronics

Project ID: #5899523

About the project

22 proposals Remote project Active May 6, 2014

Awarded to:

MarcomsNZ

Hi, The first two projects look straightforward enough. I am a very experienced electronics engineer based in New Zealand (GMT + 12). I have strong analogue skills, I have done lots of low level measurment design More

$44 SGD / hour
(13 Reviews)
5.1

22 freelancers are bidding on average $26/hour for this job

Gengin

Hi, I'm an Electronics Engineer. If that is suitable for you we can discuss project details at 6pm (GMT+10) via skype mike.gengin.

$27 SGD / hour
(5 Reviews)
4.9
shahbaz1980

Hello, Have a Great Day, I can help you. I have more than 10 years of Experience in R&D sector. My expertise are in Electronic circuit designs, Embedded system design, Firmware development for PIC, AVR, Arduino and More

$27 SGD / hour
(19 Reviews)
4.8
cloudline

Hi, I am a professional electronics engineer with expertise in embedded systems and power electronics. Please see my profile, portfolio and previous industry experience. Have designed and implemented several projec More

$25 SGD / hour
(8 Reviews)
4.9
delamoure

Dear Sir. I can design such a devices. Because this schematic seems to be simple, it is possible to simulate it using Multisim or Altium Designer. Do you need a pcb design too? I have a deep experience in the metro More

$30 SGD / hour
(4 Reviews)
4.3
ShaheerJaan

A proposal has not yet been provided

$20 SGD / hour
(15 Reviews)
4.2
alexanderkf

Hello I am in the time zone GMT+2 close to you. This are my expertise: I have 8 years of product design in the automotive industry. I am an expert in: - Dc - Dc converters - USB charging - accelerometers, gyros More

$20 SGD / hour
(4 Reviews)
3.8
nadeemrizwan

hi, i am an electrical engineer and i have a great experience in designing electronic circuits like , analog circuits, microcontrollers etc. i have also designed a battery powered sensor device in which i used voltage, More

$28 SGD / hour
(4 Reviews)
3.4
ElectrSoftDesign

Hello..Im Electrical-Electronics Engineer with Software Developement..I have great experience working as a .NET Developer and as a ASP Developer throughout my career. I will benefit you and your company if hired by you More

$24 SGD / hour
(6 Reviews)
2.5
parmarjp

I'm an electronics engineer with 5 years of experience in electronics r&d. I have expertise in ELECTRONICS CIRCUIT DESIGN, MATLAB and LABVIEW and a masters degree in electronics and telecommunications. I definitely More

$20 SGD / hour
(3 Reviews)
1.6
MegaMindsTm

Hi. Thank you for inviting me to your project. I can start your project asap. I have experience to work with microcontrollers such as AVR. Also I'm in your time zone. I like digital signal processing too. and what is t More

$25 SGD / hour
(1 Review)
1.3
riki888vw

Hi, I have electronics engineer qualification. I have experience in electronic devices R&D. I can do your projects. Thank you, Slavi.

$27 SGD / hour
(1 Review)
1.1
chyconsl

Hi, I have read and understood the project guideline, so you can trust my sincere indulgence both in quality and time frame. I have done similar projects in the past. I will like to use my experience to serve you bet More

$21 SGD / hour
(0 Reviews)
0.0
cpp2048

I am at GMT+5.30 (INDIA) and would like to help you out to design the schematic, PCB layout as well as the firmware for the micro controller. I will use PIC series micro controller for the requirement. As you have not More

$35 SGD / hour
(0 Reviews)
0.0
surangagayan

A proposal has not yet been provided

$22 SGD / hour
(0 Reviews)
0.0
EBhagya

Dear sir, I can do this project easily. Because I have done a project like this before a month. I have good knowledge about opams and microcontrolers. I'm an engineering student. You can give me the project without an More

$20 SGD / hour
(0 Reviews)
0.0
zsulijiaming

一个有效的提议尚未被提供

$27 SGD / hour
(0 Reviews)
0.0
ciberbob

A proposal has not yet been provided

$28 SGD / hour
(0 Reviews)
0.0