Electronic Design Jobs

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Hourly - Entry Level ($) - Est. Time: Less than 1 week, 10-30 hrs/week - Posted
Product: Ventilation fan for marine application. Speed adjustable via trimpot knob. Needed: Please design a compact circuit adequate for marine environment that will power 12v fan and can be adjusted via 10k Trimpot or similar. Details: A few fan manufactures allow adjusting fan speed via trimpot but I can't find stock. I've seen a few designs for PWM with 555 timers but circuit needs to fit inside the fan case and work with 12v. Heat dissipation should be minded as case is plastic. * Find 12VDC, 80mm x 80mm, IP68 fan. Perhaps something like: - http://www.digikey.com/product-detail/en/sunon-fans/GF80251B1-000U-SE9/259-1726-ND/5285623 * Use trimpot to adjust speed. Something like this one or in the same package: http://www.digikey.com/product-detail/en/bourns-inc/3386F-1-103LF/3386F-103LF-ND/1088491 Please supply: * Shopping list, preferable Digikey, ensure available stock. * Layman's circuit design.
Skills: Electronic Design Analog Electronics Electrical engineering
Fixed-Price - Expert ($$$) - Est. Budget: $600 - Posted
The goal of this project is to find a talented individual to design a BMS and provide a functional unit, as well as a BOM, and schematics. The device is a battery powered heating coil The specifications: • The load circuit has a low impedance, of about 0.8 to 1.3 Ω, it is a small nichrome heating coil • Open circuit voltage output around 12 V/ The voltage output may not be constant due to the low resistance, and will rather have a wide range once connected to a load • Higher than normal power is needed between 10-30W • The battery would provide high currents to reach the required power rating, usually 1- 6A to heat the coil • Rechargeable battery has to be able to withstand low resistance
Skills: Electronic Design PCB Design
Fixed-Price - Expert ($$$) - Est. Budget: $6,000 - Posted
Development of a power supply for our modular controller system. Design will conform to our design standards and package requirements. High level design specifications: Input Voltage: AC(single or three phase)/DC, Min voltage 30VDC to 480VAC(678.72VDC) Outputs: Vout 1 24v 20 Amps, <80mv Peak-Peak ripple Vout 2 12v 20 Amps, <40mv Peak-Peak ripple Vout 3 5v 20 Amps, <40mv Peak-Peak ripple Current/Voltage monitoring on Input/Output voltages and Output voltage trimming through Ethernet control interface. Xilinx Artix FPGA (we can assist in the FPGA programming if needed, we have a default FPGA Circuit already designed ) with Ethernet and JTAG interface. Designs done in Altium Designer software with our component library (we have extra seats available if you do not have access to the software, if you are unfamiliar with the software you will need to familiarize yourself outside of the scope of the project). Please respond with a general outline of your proposed power supply design (block diagram is a bonus), why you are a good fit for this project, experience level with altium designer, projected timeline with milestones and cost. The individual awarded this job will have first access to our other contracts as they become available. Thank you.
Skills: Electronic Design Altium Designer Electrical engineering Embedded Systems
Fixed-Price - Intermediate ($$) - Est. Budget: $300 - Posted
Start-up medical device company at the University of Pennsylvania is seeking an electrical engineer to provide expertise to concept prototype. Work would be limited in scope initially, approximately 15-20 hours, with the opportunity to increase role dependent upon quality of work. Opportunity for equity within the company, pending NIH grant funding. The initial consultancy and design aspect is immediate, further work will likely be next year. Experience with medical devices and/or nanotechnology a plus, but general electrical engineering expertise will also be considered.
Skills: Electronic Design Electrical engineering Nanotechnology Product Design
Hourly - Entry Level ($) - Est. Time: Less than 1 week, 10-30 hrs/week - Posted
Looking for an entry-level 3D designer that can copy existing 3D models of components into a new model that is optimal and that meets the functional requirements. You can use Solidworks, Autocad or another CAD program you have access to. Typical components: Arduino UNO R3 PCBA, Search and find models Design 2D and 3D layouts using pre-existing models from libraries Example Arduino UNO R3: model: https://3dwarehouse.sketchup.com/model.html?id=ue196c786-b17a-4745-93b9-63e032735744 that can be viewed with a viewer from http://www.sketchup.com/products/sketchup-viewer Relay PCBA. See: http://www.ebay.co.uk/itm/262304745422?_trksid=p2057872.m2749.l2649&ssPageName=STRK%3AMEBIDX%3AIT Valve 1 see http://www.ebay.co.uk/itm/1-4-039-039-DC-12V-3-way-2-position-Pneumatic-Electric-Solenoid-Valve-NPT-Air-Aluminum-/291648665641?&_trksid=p2056016.m2518.l4276 Valve 2 see: http://www.ebay.co.uk/itm/12V-DC-1-4-034-2-Way-Normally-Closed-Pneumatic-Aluminum-Electric-Solenoid-Air-Valve-/391456931071?&_trksid=p2056016.m2518.l4276 Contactor must sign NDA All information about this job posted on UpWork etc must be approved first.
Skills: Electronic Design 2D Design 3D Modeling AutoCAD
Fixed-Price - Expert ($$$) - Est. Budget: $500 - Posted
Looking for an engineer to integrate an LCD with touchscreen into our existing design. !!!!!!!!!!!THE PRICE IS A PLACEHOLDER ONLY!!!!!!!!!!! 1) Research LCD/Touchscreen module and help us make selection 2) Preferred size is around 10" with high resolution 3) Must include EOL date 4) Select an LCD that has a popular size (i.e. 10', 10.2" etc) 5) Look into possibly using an Android Tablet instead of a touchscreen/LCD module - if possible and feasible First step is to get the information and then proceed to the design stage.
Skills: Electronic Design Electrical engineering
Hourly - Intermediate ($$) - Est. Time: Less than 1 month, Less than 10 hrs/week - Posted
An Active Power Filter is needed to remove harmonics in the current and voltage from the supplied mains power. The working is measuring the distortion in current and voltage and eliminate those by feedback that signal in the opposite way. Myself I am a technical engineer but would like a assistant to help me with it and a programmer to program the small microprocessor need to calculate the signals. I think the dsPIC chips from Micro Chip can be used for this. (dsPIC33EPXXGS50X FAMILY) I added a thesis pdf file in were the principle is explained. If have more questions or remarks, let me know
Skills: Electronic Design Linear Programming
Hourly - Expert ($$$) - Est. Time: 1 to 3 months, 30+ hrs/week - Posted
We are looking to create a new model of cooling pad. You will be tasked with coming up with a prototype matching a certain set of requirements as well as providing the needed engineering document. The budget for the project is rather large, we aim to create the best product on the market and have experience to know the customers' needs.
Skills: Electronic Design Electronics Product Design Product Development
Hourly - Intermediate ($$) - Est. Time: More than 6 months, 30+ hrs/week - Posted
We have a basic set of 3d models and final designs for our Over the ear wireless headphones we need an engineer to make the real 3d models and engineering specs so we can go to the mold stage for the headphones and then production if the candidate does well there is afull time work with our brand
Skills: Electronic Design 3D Design Digital Electronics USB Electronics