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All JobsCircuit Design

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Results for 'Circuit Design'
Fixed Price: Not Sure   |  Posted: 20h, 20m ago  |  Ends: 29d, 3h  |   6 Proposals
This posting is for the delivery of a schematic and PCB design and layout of a 40W, 110V, 60Hz sine wave inverter. This includes design documentation and all files (GERBER, etc) required to manufacture and modify the design in the future. The incoming power will be from four of the attached lithium-ion batteries, arranged in a 4S configuration, which are already regulated to a 4.1V maximum charge by another circuit. Therefore, maximum input for the inverter circuit will be 16.4Vdc. Circuit size should be no more than 3x2x1" (LxWxH), and the smaller the better in all cases. Height is of highest concern, but overall size should be as compact as possible. The inverter will be in an IP56 minimum container, so heat generation is an issue to be mindful of - heatsinking to the outside is possible, but a design that generates little-to-no heat is ideal, and should be possible with this low of wattage. Audible noise should be non-existent - transformer selection should be of high quali...
Category: Electrical       

T****unt
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| T****unt
|    United States
Fixed Price: Less than $500   |  Posted: Apr 18, 2015  |  Ends: 88d, 18h  |   5 Proposals
I want SMPS adpter design for water purifier. The specification are as below. Input 230v AC Output 24V DC at 1.5A
Category: Electrical       

T****iya
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| T****iya
|    India
Fixed Price: $500 - $1,000   |  Posted: Apr 18, 2015  |  Ends: 28d, 14h  |   1 Proposal
Hi i am looking for the multiple loop feedback structures that should be applied on continuous time current mode filter and design equations for that project. In mlf there are two topologies FLF and IFLF. we have to apply the combination of both of them in a single topology and design the equations. If any one are good in this topic please respond or you can contact me. Thanks..
Category: Electrical       

r****adi
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| r****adi
|    Canada
Fixed Price: $250 or less   |  Posted: Apr 17, 2015  |  Ends: 13d, 6h  |   2 Proposals
Hi! I am a student in Parsons The New School for Design I am a product design major, and I'm currently working on a project which invoves electronic engineering. I'm making a toy wand with parts like the accelorameter senser, LEDs, audio, speaker, and a dc motor. Basically, the sound player and speaker will be activated when someone swings the wand, which from what I understand is the accelorameter detects the movement, sound then is created.... I took apart a similar product i bought from toyrus :  [obscured]  /p/disney-sofia-the-first-royal-musical-fan/-/A-15145503?ref=tgt_adv_XSG10001&AFID=google_pla_df&LNM=15145503&CPNG=Toys&kpid=15145503&LID=34pgs&ci_src=17588969&ci_sku=15145503&kpid=15145503&gclid=CMzpy8yf_sQCFdgdgQodLpgAZA It's a toy fan that creates melody when movement is detected (swinging and Waving.) Basically I want a wand that creates sound effect when its being moved, and then another button on the handle that turn on the LE...
Category: Electrical       

t****849
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| t****849
|    United States
Fixed Price: $30 or less   |  Posted: Apr 17, 2015  |  Ends: 13d, 6h  |   3 Proposals
Hello, I am looking for someone who could help me with creating an ECG circuit in Simulink. Must have experience in Multisim and Ultiboard. Kind regards, Uros
Category: Electrical       
Skills: Electronics, Electronic Design, Simulink       

r****rej
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| r****rej
|    Slovenia
Hourly Rate: Not Sure   |  Duration: 3-4 weeks  |  Posted: Apr 17, 2015  |  Ends: 13d, 2h  |   16 Proposals
We are looking for a circuit board designer to layout boards from schematic, parts list (BOM) and dimensional requirements. These designs consist of surface mount components with some through-hole parts. Generally the board designs are 4 layer (which includes internal power and ground planes). We need the design in CADSoft EaglePCB format. Layout would include final CAM files for all layers. These designs are mixed signal. This work would be on-going for new products as they are developed.
Category: CAD       

E****ies
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| E****ies
|    United States
Hourly Rate: $40 - $50 / hr   |  Duration: 1-2 weeks  |  Posted: Apr 16, 2015  |  Ends: 23d, 5h  |   7 Proposals
We are currently designing a Mach 0.6 Closed Circuit Icing Wind Tunnel with a test section of approximately 8 in x 8 in. A heat exchanger in the settling chamber of the tunnel must be able to drop the air temperature down to at least -20 degrees Celsius. A spray nozzle system will then introduce atomized water particles which will form ice on the models mounted in the test section. We are looking for someone with an extensive thermodynamic background to help us configure the optimal cooling system.
Category: Other - Engineering &...       
Skills: Mechanical Engineering, Thermodynamics       

N****ski
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| N****ski
|    United States
Hourly Rate: Not Sure   |  Duration: Not Sure  |  Posted: Apr 16, 2015  |  Ends: 12d, 3h  |   5 Proposals
We are looking to build two versions of the PCBA with two schedules: 1. Power Only PCBA ? Take the raw DC 5V / 1.6A power from the charging unit, run it through a Boost Converter, Charge Controller, Microcontroller for LED, LED lightpipe (Bivar FLPR4.0-SBC), and other necessary inductors, etc. This version does not have a battery, protection circuit, or charge controller (for the battery). Essentially, this PCBA is a USB charger without the AC to DC conversion. 2. Power & Battery PCBA ? Requirements are attached. Everything on the Power Only PCBA with the requirements of an extra battery (1S1P protection circuit with thermistor). We own many Tenergy 30262 batteries and would like to use them. Testing: Both units must pass FCC testing and any other required testing. The battery unit must pass DOT tests. Schedule: Power Only PCBA is ASAP. Power & Battery PCBA target is end of May. Please feel free to contact me with any questions. Look forward to receiving ...
Category: Electrical       
Skills: PCB Design, USB Electronics, battery, charging       

B****han
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| B****han
|    United States
Hourly Rate: Not Sure   |  Duration: Not Sure  |  Posted: Apr 16, 2015  |  Ends: 12d, 3h  |   9 Proposals
Update: After a long discussion with my insurance agent, I've removed the design insurance requirement. I am looking for a electronics design partner to create two printed circuit boards for a robotic lawnmower. I am price conscious and interested to learn about any price trade-offs that are available. I believe I want two boards as follows: The base station should contain a PCB that is AC powered using an external transformer. It should have basic location capabilities, an RF transmitter, a modulated infrared light, and provide power to charge the robot unit. The robot should contain a PCB that is battery powered. It should contain a micro-controller, multiple motor drivers, battery management, GPS capabilities, an RF transceiver, and infrared sensors, a small LCD touch screen, sound generation, and several sensors including one or more cameras. These boards should be in compliance with relevant US and EU regulations and standards. You should produce basic software for the sy...
Category: Electrical       

p****cts
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| p****cts
|    United States
Hourly Rate: $8 - $25 / hr   |  Duration: Not Sure  |  Posted: Apr 16, 2015  |  Ends: 3d, 15h  |   25 Proposals
Our company needs circuit design services for embedded or instrumentation for on going basis. We'll assign an 2-3 hour (payable hourly, not fixed price) simple circuit design job. If you can do it early, we'll hire you for long term for our ongoing requirements. You should send all drawings in 2 formats: pdf & that of your tool of choice. We may hire multiple providers if needed.
Category: Electrical       

l****per
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| l****per
|    India
Hourly Rate: $10 - $15 / hr   |  Duration: 1-2 weeks  |  Posted: Apr 15, 2015  |  Ends: 11d, 12h  |   10 Proposals
Schematics for stand alone machinery. PLC I/O Safety Circuit Servo Drives & Motors EPLAN ------------------------------------------------
Category: Electrical       

S****TOK
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| S****TOK
|    United States
Fixed Price: Not Sure   |  Posted: Apr 15, 2015  |  Ends: 11d, 11h  |   13 Proposals
I am looking for a skilled engineer to create a feasibility study for an idea I have. You will be doing research to learn more about the technology involved with the product. You will present to me a plan of execution on what will need to be involved for the product to be put together as well as costs and obstacles. I am looking for a skilled engineer that has amazing skill and talent. You do not have to design the product in this stage, just see if it is possible to design it. I want somebody who is skilled enough to design it at some point. You must be from a country where English is the primarily language. You must have examples of past work as well as extensive schooling in the field. I am looking for some of the best and brightest, this job could truly change you life. You will have to sign NDA's and several other forms in order for me to protect my idea. If your proposal is generic I will decline it, I am looking for people who are looking for an opportunity like this. I am loo...
Category: Electrical       

m****kol
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| m****kol
|    United States
Hourly Rate: Not Sure   |  Duration: 1-3 months  |  Posted: Apr 15, 2015  |  Ends: 11d, 5h  |   10 Proposals
Design and develop 3.7V charging circuit for consumer electronics products. RF experience a plus. Experience working on or with smartphone products is also a plus. 25 to 40 hours per week
Category: Electrical       
Preferred Location: United States

D****-MJ
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| D****-MJ
|    United States
Fixed Price: $20 - $1,000   |  Posted: Apr 15, 2015  |  Ends: 11d, 4h  |   12 Proposals
Our company is seeking a freelancer to design and build a data logging board that will be used in an exposed outdoor environment. The device should be housed in a weather tight enclosure. The enclosure will need to have a bulkhead connection in order to allow a water hose to be connected for pressure sensor readings. The device should also be capable of storing readings from a pressure sensor which detects water pressure. The readings would ideally be stored onto an SD memory card for later retrieval. The device should have an external ON / OFF switch. The device can be made using an off-the-shelf device such as an arduino if the cost is less than designing a custom printed circuit board. In summary, the device should have the following operating characteristics: -- Weather tight enclosure suitable for use in an outdoor environment -- Bulkhead connection for water pressure connection -- External ON / OFF switch -- Pressure Sensor capable of being in continuous contact with ordin...
Category: Electrical       
Skills: Electrical Engineering, Electronics       

H****rks
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| H****rks
|    United States
Fixed Price: $500 - $1,000   |  Posted: Apr 15, 2015  |  Ends: 25d, 23h  |   5 Proposals
Hi all, I am having a project for the analog designers. I am having a continuous time current mode filter which is a 6th order bandpass done by cascading in the paper. For that design we have to apply multiple loop feedback design techniques to get the better sensitivity of the circuit. In brief this is the project that has to be done. Looking for positive reply's. If everything works better we have start immediately and complete it as soon as possible.. Thanks...
Category: Electrical       

r****adi
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| r****adi
|    Canada
Hourly Rate: Not Sure   |  Duration: Not Sure  |  Posted: Apr 15, 2015  |  Ends: 10d, 18h  |   0 Proposals
Bechri Amine,a passionate about music and art, drawing my inspiration from the latest in-vogue trends, beginning his first DJ training under Sim-H in Casablanca FunkyNoise (Morocco). In order to perfect and hone his art, he moved into the organisation of private parties, chiefly directing music for the event and providing great music and lively atmosphere in Morocco Enjoying the music from spirited artists such as Armin van Buuren, Benny Benassi, Tiesto and Antoine Clamaran, he decided to move further into this field of music production, a place where he could now balance passion for music with professionalism. Enrolling in DJ's Academy Mouss Production in Marrakech, he was under the direction of DJ-Shrif where he studied a multitude of various musical genres. One year later, Amine moved to UAE to perfect his career as DJ Producer and started to study Electronic Music Production in SAE Dubai. Bechri Amine been DJ'ing professionally for five years now, internationally in United Arab E...
Category: Art       
Skills: Music, DJing, composer, producer       

b****ine
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| b****ine
|    United Arab Emirates
Fixed Price: $20 - $30   |  Posted: Apr 14, 2015  |  Ends: 10d, 9h  |   2 Proposals
I need a programming for this shaft made by gibbscam. We supply 3d format solidworks. Lathe We looking to hire for a long term
Category: Other - Engineering &...       

M****c78
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| M****c78
|    Canada
Hourly Rate: $20 - $30 / hr   |  Duration: 3-4 weeks  |  Posted: Apr 14, 2015  |  Ends: 9d, 21h  |   17 Proposals
Hello, I am designing a custom solar energy harvester. I need someone who is proficient with PCB design as well as electronic circuits. there are boards online premade like from sparkfun, but these do not meet the specifications I require. I am on a tight budget but I'm sure we can make something work. I'm looking to have the board in my possesion as soon as possible. Thank you for your time.
Category: Electrical       

m****for
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| m****for
|    United States
Fixed Price: Not Sure   |  Posted: Apr 14, 2015  |  Ends: 9d, 19h  |   5 Proposals
I want an electronic circuit which can communicate with a smart phone through bluetooth interface. This should include a software install-able in smart phone( both androids and windows) which you can switch on phone bluetooth through it, send signal to the circuit when there is incoming or outgoing call, then the circuit perform some switching. kindly send me a quotation soonest possible.
Category: Other - Engineering &...       

g****jam
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| g****jam
|    Kenya
Hourly Rate: Not Sure   |  Duration: Not Sure  |  Posted: Apr 13, 2015  |  Ends: 9d, 12h  |   17 Proposals
Exterior plastic molded case to hold a Dropcam security camera. Must be a "bullet" camera type mount that shields the camera from the elements and mounts to a wall or ceiling. Will incorporate a passive POE to 5v USB step down transformer circuit board and pigtail to power the camera through a CAT5 cable converted to USB. See attached images for ideas. Case must be sleek, functional, and include all necessary mounting hardware. Mounting hardware maybe generic. Need to print initial prototypes on 3D printer and then be able to build a mold.
Category: Product Design       

j****738
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| j****738
|    United States
Fixed Price: Not Sure   |  Posted: Apr 13, 2015  |  Ends: 9d, 4h  |   11 Proposals
Need Power Engineering to help me in implementation of some problem in my research. for more detail we will discuss later
Category: Electrical       

m****lab
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| m****lab
|    Jordan
Hourly Rate: Not Sure   |  Duration: 1-2 weeks  |  Posted: Apr 13, 2015  |  Ends: 8d, 21h  |   29 Proposals
Looking for an experienced ee to design our circuit. We need to have good communication skill, be punctual and prompt.
Category: Electrical       
Skills: Electronic Design, PCB Design       
Preferred Location: Eastern Asia

n****ech
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| n****ech
|    Australia
Fixed Price: Not Sure   |  Posted: Apr 12, 2015  |  Ends: 8d, 5h  |   19 Proposals
Seeking assistance finalizing the electronics for a new product I've been developing for the last 3 years. Preparing for product launch this year. I'm a mechanical engineer (10 yrs in product development) seeking an electrical engineer with experience designing basic power conditioning and distribution circuits. Looking for somebody with PCB design experience. This is a startup opportunity and I am offering equity and/or potential partnership in my company or a contract with conditional payment terms based on receipt of funding. I am anticipating investment in the 2-3 month time frame. I am looking for somebody extremely motivated and ambitious to partner up with. A signed Non-Disclosure Agreement will be required before any technical data is shared. Please contact me if you are interested and I will email you the NDA.
Category: Electrical       

z****las
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| z****las
|    United States
Fixed Price: Not Sure   |  Posted: Apr 12, 2015  |  Ends: 7d, 20h  |   8 Proposals
Want to develop a Bluetooth product which connects the landline, to a smartphone. So any smartphone can be used as a homephone. (Similar product : Panasonic KX-PRX120W) Our product will give consumers ability to use any smartphone as a landline phone.(instead of old fashioned landline device) Please do not get confused with the available products which do the reverse of this function that is smartphone gets connected to landline and you can use the landline phone to pick up cell phone calls. Our
Category: Other - Engineering &...       

h****003
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| h****003
|    United States
Fixed Price: Not Sure   |  Posted: Apr 12, 2015  |  Ends: 7d, 18h  |   5 Proposals
1)Experience in schematic design ( orcad capture CIS) & P.C.B Editor 2) Understand PCB fabrication assembly , Experience in DFM , DFT & IPC -2221A 3) Tools IPC 7525- A & IPC -7351 A, Knowledge with EMI EMC Techniques GC CAM Gerber Editing S/W& Allergo Cadence 16.6 version / ORCAD / Altium etc 4) Hands on Experience in single side , double side , Multilayer & Matalclaid PCB 5) Documentation part of Layout , CAD DATA, BOM , Gerber Data , Mechanical drawing with interaction of mechanical CAD Designer 6) Client & Vendor Co- ordination for necessary support of stencil & PCB Assembly 7) Knowledge of Electronic parts manufacturing , ICT etc 8) Knowledge on component selection , Circuit Simulation 9) Bench Marking circuit tracing Salary: NO Constraint FOR Right Candidate Industry:Consumer Electronics / Appliances / Durables Functional Area:Engineering Design, R&D Role Category:Engineering Design Role:Senior Design Engineer Keywords:Design Engineering(ID:...
Category: Product Design       
Skills: PCB Design       

v****sca
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| v****sca
|    India
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