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Circuit Design Jobs

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Fixed-Price - Est. Budget: $ 250 Posted
I need a simple circuit & PCB designed for a constant current DC (4.2v 18650 Battery Source) LED Driver. The circuit will run 2 LEDs. I will provide the LED specs to the bidders privately. The circuit must be very compact and efficient (maximize battery life). Deliverables will include: 1. Schematic (PDF) 2. PCB Design Source Files (including exported STEP file of PCB & Components) 3. Component BOM (with sourcing references) 4. All files necessary to submit design to a PCB Prototyping Vendor in USA for production I will provide further details regarding PCB format/shape as well as further details to the winning bidder. This is an extremely simple circuit (very few components are required) and shouldn't take more than a few hours work for the right candidate.

Fixed-Price - Est. Budget: $ 50 Posted
hi we need arduino based board design and firmware. you dont need to build bord for us (unless you are in NYC or close) we can just get schematics and we build breadboard ourselves. We need wifi enabled device that had 1620 lcd, with start style buttons to navigate menu. real time clock chip with nonindependent 3v battery. and web server Functionality: form buttons and lcd enter wifi setup, select available network, enter password if needed (all types of protocol configuration needs to be supported) show that wifi connected, go to next menu item and configure tear time clock like 15:30:00 (25h format) have. then next menu shows IP address. Type IP on browser open web server see our clock with option to change it . You can use any WiFi chop you want, i prefer cheap once like one for $2-3 off ebay. chip or module I will need schematics and firmware. If you close to NYC i can pay for assembling breadboard and bringing it to our office

Fixed-Price - Est. Budget: $ 1,000 Posted
I am working on a project that deals with multiple different technologies. It will use GPS, Bluetooth, Audio and Visual technologies just to name a few. We are looking to find someone we can closely work with on this project so we would like to set up a Skype interview. If this works for you, I’d like to setup a time so we could talk. Price and duration are negotiable. Thank you for your time, BikeX

Fixed-Price - Est. Budget: $ 200 Posted
We are in the process of designing prototypes for our first product, which is similar in principle to a rechargeable battery pack. We are 4 Masters Engineers with a good technical knowledge but not the electrical know-how to design a circuit board. Therefore we are looking for some form of design assistance and consultancy service to help develop the PCB. This may be an iterative process and so some interaction would be desired, as well as production capacity. We have some money from university awards, however the services offered by most online companies are out of reach of this budget. We are willing to negotiate on price depending on the service offered: from total consultancy until the finished product to a small number of one-off circuit diagrams based on specification.

Fixed-Price - Est. Budget: $ 200 Posted
Hi SUBJECT: PREMADE DATABASE FOR ELECTRICAL MANUFACTURER, R&D & ELECTRICAL ENGINEER, LEAD GENERATION My company is manufacturing and designing the PCB (Printed Circuit Board). This product has been used in any electrical manufacturing company, who do any kind of electrical manufacturing. I need the Lead generation of the following companies and their people in USA and Canada. The second batch will be worldwide. Electrical Engineer Electrical Electronic Automation Automatic Manufacture Manufacturer Technology Research Aeronautical CAM Equipment Integrate PCB Robotic Circuit PADS Semiconductor Component R&D SMT Hardware Boards Assembly Micro Embedded Prototype Radar Communication Naval Space Process Telecommunciation Lean Test Layout Design Technology Thank you Murphy Dawood Tel (1) 847-219-6294 Email synergisepcb@yahoo.com Skype ID synergisepcb VIBER # 18472196294

Fixed-Price - Est. Budget: $ 500 Posted
Need to design a high speed counting circuit to detect the time difference between two separate signal pulses with 1nsec resolution. The leading edge of signal 1 pulse should start the count cycle, and the leading edge of signal 2 pulse should terminate the count cycle. Please advise on most appropriate design. I have been envisioning synchronous counters clocked at 1 Ghz with a total of 32 bits, which could pass data through shift register(s) for transfer of data to unknown interface (possibly FPGA). Counting cycle could be enabled with signal from a latching comparator, and disabled by the signal of an additional comparator. Once the count is collected, the cycle is reset for the next set of pulses. I have data sheets of circuit components that may work but am uncertain if they are the most appropriate selections. Deliverable includes selection and refinement of circuit components with associated BOM, generated circuit schematics, and associated PCB layout files. Phase 1 - Select...

Fixed-Price - Est. Budget: $ 200 Posted
hi, I need to develop a new electric skateboard. I therefore need a cad + materials + electrical circuits On the market there are different, but too expensive ($ 1,000) for create a new market. Possible features: Lightweight: max 4kg length: 60/70 cm fast charging autonomy> 10km max speed 20km / h Remote control via Bluetooth. In future possibility of app Ios / Android large wheels and durable notes: Battery inside the board (wood or plastic) bluetooth USB to recharge the smartphone Led back and behind to be visible Competitor: boostedboards ridemarbel zboardshop Bolt