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Fixed Price: Not Sure   |  Posted: 2h, 35m ago  |  Ends: 14d, 21h  |   1 Proposal
I have 14 load cells that I want to read through a National Instruments 9205 analog input module. I need a circuit with a low-pass filter and amplification to a level readable by the NI module. I've tried to build a circuit myself, but am having all kinds of troubles. I've started with an RC low-pass filter which feeds an op-amp to boost the signal to within the common mode range of an in-amp. Here's what I'm working with: * Single supply voltage source, 9 V, provides power to the op-amp and the in-amp and also excites the load cell * Load cell (4-wire, full-bridge) that generates up to 27 mV [3 mV/V excitation] when fully loaded (2500 lbs). So, if I lean on the load cell with 100 lbs, I expect the load cell to put out just 1.08 mV. * Simple R-C low-pass filter. * LM358 op-amp with a common mode input including ground (necessary due to the low voltage output of the load cell under light loading). I'm running this as a non-inverting op-amp. * INA131 in-amp with built-in gain of 100. ...
Category: Electrical       
Preferred Location: United States

j****orn
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| j****orn
|    United States
Hourly Rate: Not Sure   |  Duration: Not Sure  |  Posted: 3h, 6m ago  |  Ends: 14d, 20h  |   0 Proposals
Development of electric projects (Residencials, Building Services and Automation), Hydraulic Project, Sewage Project, Architecture Projects and technical drawings from various fields.
Category: CAD       
Skills: Electrical Engineering, AutoCAD 2012       

a****dim
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| a****dim
|    Brazil
Hourly Rate: Not Sure   |  Duration: Not Sure  |  Posted: 6h, 8m ago  |  Ends: 14d, 17h  |   1 Proposal
In the design and development stage of building a generator. ? Providing sound and profound knowledge covering topics in relations to electrical and mechanical engineering. ? Providing suggestion, advice and methods towards improving design and development of electrical devices/product supported by factual or documented references. ? Show support to the ongoing development and design of electrical devices towards building, testing, testing and expansion. ? Putting together a learning material in form of any media to teach at a beginner's level, and advance if necessary to bring the learner to an understanding from basic to satisfactory understanding. ? You may be required to travel to china (All expense paid for), but not necessary as communication may continue via video conversation. ? Be able to identify errors, flaws or potential risk in product design and development from sketch, design and development process before testing phase.
Category: Electrical       

o****000
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| o****000
|    United Kingdom
Fixed Price: Less than $500   |  Posted: 9h, 52m ago  |  Ends: 89d, 14h  |   3 Proposals
? Accommodation/Laundry & Housekeeping/Catering Solutions ? Temporary and long term contacts: ? Labor Accommodation ? Staff Accommodation ? Laundry services ? Catering services ? Cafeteria services ? Pantry and canteen services ? We can offer Soft Services ? Temporary or long term contracts: ? Builders Clean ? Fašade Cleaning ? Property Cleaning ? Provision of Tea & Coffee services ? And Any other ad hoc services ? We can offer as a Sub Contractor in Temporary and long term contracts: ? Carpenters Services ? Plumbing Services ? A/C Services ? Electrical Services ? Civil work services
Category: Search Engine Marketing       

f****789
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| f****789
|    United Arab Emirates
Fixed Price: $1,000 - $5,000   |  Posted: 12h, 4m ago  |  Ends: 14d, 11h  |   9 Proposals
Detailed Scope of Work includes amendments and additions including (detailed brief will be given to candidates) 1. MEP Drawing Amendments On completion the drawings should be of quality to submit to an MEP contractor who will produce detailed routing and quantities. i) Include approx elevation of all fittings in MEP (currently only floor plan) ii) Amend Electrical layout based on Interior Design consultant advice iii) Amend Plumbing drawings based on Interior Design consultant advice Note: Due to framing system plumbing cannot fit in wall cavity so require external channels to be added (must coordinate with client in briefing) iv) Amend HVAC based on Interior Design Consultant Advice Note: Ceiling fans must be bracketed to structure Note: Use of multi split AC units recommended Note: Vents must be incorporated into panel drawings and BM as an item Note: External unit position and box required 2. Architectural Drawings (1:50 and 1:100) These are presented to suppliers/contractors fo...
Category: Architecture       
Skills: Architecture, AutoCAD       

C****bok
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| C****bok
|    Indonesia
Hourly Rate: $20 - $30 / hr   |  Duration: 1-2 weeks  |  Posted: 14h, 12m ago  |  Ends: 1d, 9h  |   15 Proposals
I am looking for a 3D modeller in Solidworks with engineering background on hourly basis to modily some electrical fittings, shall pay upto $25ph Experience in product design and preparing it for 3D printing is desireable, possibly access to 3D printer or printing serivice, to make sure it works. Here is an example of the job.
Category: Product Design       
Preferred Location: United Kingdom

A****jal
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| A****jal
|    United Kingdom
Hourly Rate: Not Sure   |  Duration: Not Sure  |  Posted: 15h, 12m ago  |  Ends: 14d, 8h  |   10 Proposals
We are a start up firm looking for an electrical engineer with experience in consumer electronics, specifically a small LED lighting product for the home. We are looking for someone who can collaborate on a design that is in prototype stage and which needs some electrical engineering advice for the LED lighting component to make sure it will work as designed, and will be manufacturable. This is a very simple light using LEDs, batteries and possibly a remote control receiver. We are working under tight deadlines and need immediate assistance.
Category: Electrical       

T****SCO
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| T****SCO
|    United States
Fixed Price: $500 - $1,000   |  Posted: 17h, 4m ago  |  Ends: 6d, 6h  |   12 Proposals
I have a project that I am working on that involves a backpack and electrical components. I have the physical design already. I am in need of the design of the electrical components that will be needed to make this work. These are the areas I need you to be knowledgeable in: USB ports Bluetooth Audio (speakers) Visual Displays NDA will be required once you are hired.
Category: Product Design       

J****ika
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| J****ika
|    United States
Hourly Rate: $10 - $50 / hr   |  Duration: Not Sure  |  Posted: May 05, 2015  |  Ends: 13d, 21h  |   10 Proposals
I need a standalone app to capture USB data and enter it in a spreadsheet type inspection form and than do the calculations from the input. The device measures pressure in mm/hg utilizing a load cell that outputs in millivolts in the range of 0 - 1000. I have a specific PCB being built for this purpose and will need you to speak with the Electrical Engineer to establish protocols and whatever else he feels you will need to know. There is an application available for you to see that sums up the information we are looking to capture. This is a project that I need to work quickly on. If you would like to see a little more information on this device, go to   [obscured]  /medical
Category: Software Application       
Preferred Location: United States

t****can
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| t****can
|    United States
Hourly Rate: $20 - $30 / hr   |  Duration: Not Sure  |  Posted: May 05, 2015  |  Ends: 13d, 20h  |   5 Proposals
Hi there! Looking for immediate help on a school science project due in two days. Need somebody to wire battery, two motors and components to circuit board. Should be very straightforward for electronics specialist but it is beyond me at the moment! We are in West LA, California.
Category: Electrical       

j****law
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| j****law
|    United States
Fixed Price: Less than $500   |  Posted: May 05, 2015  |  Ends: 13d, 18h  |   7 Proposals
Hi, I'm looking for an Electrical Engineer who can assist in writing 500+word articles on various topics related to solar energy. I'll provide you with a list of topics and you will need to research the topic and write high quality content which is completely original (no cut/past, this will be verified..). Please only reply if you have a Bachelor / Master degree in Electrical Engineering, or currently a student which is fine. Send me a copy of diploma as a reference please. This is an ongoing assignment and can be done parttime. We'll agree on a price according to the number of words. We'll start with a sample article on a topic I'll send you and take it from there.
Category: Article Writing       

H****dge
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| H****dge
|    China
Fixed Price: Less than $500   |  Posted: May 05, 2015  |  Ends: 13d, 18h  |   11 Proposals
I need a breakout PCB design for converting 272 (16x17) BGA array to 8x33 0.3mm pitch zif connector.
Category: Electrical       
Preferred Location: China

c****xie
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| c****xie
|    United States
Hourly Rate: $20 - $30 / hr   |  Duration: 7-9 months  |  Posted: May 05, 2015  |  Ends: 13d, 16h  |   3 Proposals
- Experience in MS Word and Adobe Illustrator - Experience with CAD / DXF drawings (manipulate existing drawings) - Engineering degree or demonstrated technical aptitude - Understanding of mechanical and electrical technical terms / ability to read and understand specifications and drawings - Fluency in American English and Spanish Job Description: Your responsibilities: - Create high-quality content that conveys technical concepts in a voice that targets our audience: Controls and Mechanical Engineers / Technicians - Create corporate brand image and document standards through professional and consistent documentation design / layout; Meet or exceed quality standard set by industry giants such as Siemens, ABB, Emerson and Honeywell - Review existing product technical documents (ours and competitors) and edit, adapt, modify and complete to meet new corporate technical document design standard - Modify content as required to meet standard, including CAD drawings - Publish written docu...
Category: Technical Writing       

B****McM
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| B****McM
|    United States
Hourly Rate: Not Sure   |  Duration: Not Sure  |  Posted: May 05, 2015  |  Ends: 13d, 15h  |   6 Proposals
Need help building a simple smart thermostat. Controlled by iphone. Unlike other thermostat this one should be budget friendly. Minimalist in design, should connect to the internet like the google chromecast does.
Category: Electrical       
Skills: Manufacturing Design       

S****ech
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| S****ech
|    United States
Fixed Price: Less than $500   |  Posted: May 05, 2015  |  Ends: 28d, 15h  |   5 Proposals
Hi there, I need to connect this i2s development board (  [obscured]  /product/UDA1380-Board.htm) to the Raspberry Pi 2 and configure the Raspberry Pi 2 to read it as a sound card. I need someone who can help me with the connections as well as program/configure the linux system to detect it as a sound card and allow audio input and output. Please let me know if you can assist me. Thank you
Category: Electrical       

b****mnj
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| b****mnj
|    United States
Fixed Price: $75 - $105   |  Posted: May 05, 2015  |  Ends: 13d, 10h  |   6 Proposals
I need to incorporate the technology of a non-invasive electrical tester which detects AC voltage and lights up when voltage is present with a set of pliers. Below is a link to an example of the tester. The tester can read if a wire is live just by touching the rubber.   [obscured]  /webhp?sourceid=chrome-instant&rlz=1C5CHFA_enUS503US504&ion=1&espv=2&ie=UTF-8#q=Gardner+Bender+TesterKit&tbm=shop&spd=8774199084521156521 I need help with how the circuitry would work and where the technology would be placed in the pliers. I will need drawings showing exactly how it would work. Once I decide on someone to work with, I will share more detail and the sketches I have.
Category: Electrical       
Skills: Electrical Engineering, Electronics       

J****hRo
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| J****hRo
|    United States
Fixed Price: $1,000 - $5,000   |  Posted: May 04, 2015  |  Ends: 13d, 2h  |   4 Proposals
I need a Senior Software Developer to assist in the development of a biosensor project. You will work with an Electrical Engineer and a Mechanical Engineer in the development process. Attached, you will find a few beginning specifications for the project.
Category: Product Design       

r****ing
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| r****ing
|    United States
Fixed Price: Not Sure   |  Posted: May 04, 2015  |  Ends: 12d, 22h  |   13 Proposals
I need to design an LED that will go into an plastic housing. The requirements for the LED are this: - 1 bulb - powered by a small watch battery - ** LED needs to be able to turn off automatically in 5 minutes - All will need to fit into tube 5/8" dia x 1.25" long - Needs to be cost effective for production (so as simple as possible) Thanks!
Category: Electrical       

d****hbt
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| d****hbt
|    United States
Hourly Rate: Not Sure   |  Duration: Not Sure  |  Posted: May 04, 2015  |  Ends: 27d, 18h  |   7 Proposals
Looking for a senior software engineer that have a robust understanding in face recognition and hand gesture recognition using openCV. The candidate should also have certain experience porting CV algorithms to an embedded linux platform Desired Skills & Experience ? MS or PhD in Computer Science or Electrical Engineering with a focus on Computer Vision ? Port code/CV algorithms to embedded linux ? Strong background in computer vision, image processing and computational photography ? Strong programming skills in C, C++, Perl, or Python ? Familiarity with GPU computing (CUDA, OpenCL, DirectCompute) ? Familiarity with computer vision APIs (OpenCV , OpenVX) ? High proficiency in C++ ? Fast prototyping skills, including comprehensive feature integration during all cycles of development ? Practical knowledge of machine learning, Bayesian filtering, information theory, and 3D geometry
Category: Other - Engineering &...       

p****uge
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| p****uge
|    United States
Fixed Price: $1,000 - $5,000   |  Posted: May 04, 2015  |  Ends: 12d, 13h  |   6 Proposals
I found most of K-band FMCW radar front-end modules are made with flat antenna. But I need it to be connected to WR-42 waveguide and I'm looking for a solution to fulfill my requirement. I'm looking for someone who can solve this issue.
Category: Electrical       

W****m88
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| W****m88
|    Korea, Republic of
Fixed Price: Less than $500   |  Posted: May 04, 2015  |  Ends: 12d, 13h  |   3 Proposals
Looking for firmware developer for Bluetooth Low Energy device for Anti lost and other features for TI or Nordic chips.
Category: Other - Engineering &...       

t****ere
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| t****ere
|    India
Hourly Rate: Not Sure   |  Duration: Not Sure  |  Posted: May 04, 2015  |  Ends: 57d, 11h  |   16 Proposals
Hi, I am seeking someone who has experience in electrical engineering. The work requirements will be sent. Thank you.
Category: Electrical       

d****zzt
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| d****zzt
|    Israel
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