| Project Name | Description | Bids | Avg (USD) | Skill Required | Started | Ends | |
|---|---|---|---|---|---|---|---|
| ...for a schematic design (EAGLE format) and working prototype for charging Lithium Ion/Lithium Poly batteries | 13 | $164 | Engineering, Electronics | Mar 27, 2009 | - | ||
| ...simple battery powered electronics device with an alarm. The work we are looking for includes: ... Schematic design component specification (BOM) PCB layout (optional) Device description: Battery...Battery po... | 21 | $182 | Electronics | Feb 14, 2012 | - | ||
| ...panel powered lithium ion battery with an integrated charger and led driver circuit | 1 | $500 | Electronics, CAD/CAM, Microcontroller, Electrical Engineering, PCB Layout, | Feb 21, 2013 | - | ||
| ...solar powered battery charger The battery charger circuit should accept available power generated from...lithium ion polymer battery pack with a capacity of about 1500-2500mA. The circuit should also expect a...o... | 1 | $510 | Engineering, Electronics | Feb 24, 2009 | - | ||
| ...with a Li-Ion battery charger integrated onto the same circuit board. LED Driver: Provide power to 4...series powered by 5 series - wired lithium ion batteries. (Buck Driver) at least 5 brightness Levels...Lithium... | 10 | $214 | Electronics, Microcontroller, Electrical Engineering, PCB Layout, Product Design | Mar 5, 2012 | - | ||
| ...high end battery charger. Thank you to the many people who applie dto the last iteration of this post, the...inside the battery pack and will control the charger IC in the charging cradle. MCU resides in charging...charger Sche... | 15 | $595 | C Programming, Engineering, Electronics, Microcontroller, Electrical Engineering | Apr 19, 2013 | - | ||
| I have a concept of a product that could revolutionize human safety in a specific sector with a basic design structure, please contact me directly for further details & NDA. thank you | 2 | $416 | Product Design | Dec 28, 2012 | - | ||
| ...with the battery ADC value 0-9 in a compressed packet format, you decide. Store the following totalized | 23 | $810 | Electronics, Microcontroller, Electrical Engineering, Embedded Software | Nov 7, 2012 | - | ||
| ...schematics into schematic capture tool Get an account on www.upverter.com and let me know your username/password ...for each schematic: - Load up the source schematic (a list to do is posted below) - Search for each compo... | 9 | $92 | Data Entry, Electronics, CAD/CAM, Microcontroller, Electrical Engineering | Sep 20, 2011 | - | ||
| I need schematic and set of printed circuit design for the RF Transmitters and a set of printed circuit...transmitter: powered by 12 Volt Energizer A23 Battery DIP switches addressing on transmitter. led indicator...receiver: <... | 10 | $578 | Electronics, CAD/CAM, Electrical Engineering, PCB Layout, Assembly | Nov 6, 2012 | - | ||
| Electronics | Apr 15, 2009 | - | |||||
| ...circuit schematic drawn up in altium designer. It should supply 9 x 5050 warm white led's. It should...from a battery and should be fairly efficient. It will be run off a single cell li ion battery. Please | 10 | $67 | Engineering, Electronics, Microcontroller, Electrical Engineering, PCB Layout | Feb 7, 2012 | - | ||
| ...design a battery charger and balancer all in one. It will be designed to charge and balance a lipo battery...to the battery and will need to have low power consumption The device should light an led and stop charging...with the b... | 14 | $341 | Electronics, Microcontroller, Electrical Engineering, Embedded Software, PCB Layout | Feb 6, 2013 | - | ||
| ...need a Li-Ion battery pack design for using 2 pieces REPLACEABLE 26650 Li-Ion or LiFePO4 cells. ~ 7.4V nominal...requires a "Battery Fuel Gauge" also, that has to be quite accurate. Housing is SPECIFIC to ou... | 4 | $13 | Industrial Design, Electrical Engineering, PCB Layout | Sep 3, 2012 | - | ||
| ...will be powered from a small form factor 6V rechargeable battery. A switch to turn on the device and leds | 6 | $379 | Electronics, Microcontroller, Electrical Engineering, PCB Layout | May 27, 2012 | - | ||
| ...need a schematic for a powersupply with battery backup; Following are the specification Input: 230V...each Battery: 12V 1.3ah lead acid battery. Working should be as described below, - when connected...and the ... | 15 | $73 | Electronics, Electrical Engineering | May 8, 2013 | - | ||
| ...high end battery charger. MCU will communicate with the fuel gauge IC inside the battery pack and will | 19 | $696 | C Programming, Engineering, Electronics, Microcontroller, Electrical Engineering | Apr 4, 2013 | - | ||
| ...for our battery packs that charges each of the 12 cells in our battery packs individually to 3.6v. ...in our battery pack can be charged at 3 Amps as a standard charge or up to 10 Amps as a fast charge. ...Amps. Our batt... | 13 | $1265 | Electronics, Electrical Engineering | Mar 1, 2011 | - | ||
| ...individual (per-battery) voltage in a series string of 12 volt batteries while the batteries are connected and...the same battery and have reasonably similar voltage reading.) Circuit must be powered by separate power...sin... | 25 | $186 | Electronics, Electrical Engineering, PCB Layout | Nov 9, 2012 | - | ||
| ...shuttling battery equalizer like this one: http://www.electric-lemon.com/?q=node/151 Design it to be modular...(2V-16V per battery). The maximum amount of current that must be shuttled is 5A @ 14.5V. There must be just...a PCB ... | 8 | $181 | Electronics | Aug 5, 2009 | - | ||
| ...lead acid battery and solar panel. The solar panel puts out 5 Watts / 5VDC. The battery I need to charge...charge the battery (see attached app note) and use MICREL linear voltage regulator MIC29302 (see attached)...from the <... | 9 | $158 | Electronics, Electrical Engineering, PCB Layout | Jan 8, 2013 | - | ||
| ...of an battery powered 2.4Ghz AV Sender. Basically it will consist of standard RCA Video in and Stereo | 1 | $300 | Wireless, Engineering, Mobile Phone | Apr 12, 2006 | - | ||
| ...need a schematic for a coils to power moving pcb board with components. Just like a4tech wireless battery... This schematic should include 2 coils and driver for one of coil(probably ne555 and cheap transistor)...will be powered | 1 | $42 | Engineering, Electronics, Anything Goes | Apr 20, 2010 | - | ||
| 1) A battery model built by Matlab/Simulink will be provided. (Make sure you are capable to read code/simulink...your own battery model based on the attached paper fig. 2 (Make it 24V, 2 modules) 2) You must design a...accurately the <... | 4 | $587 | Matlab & Mathematica, Electrical Engineering, Automotive, Machine Learning, Mathematics | Jul 5, 2010 | - | ||
| ...recharge a Li-Ion battery (single cell, approx 100mAh). Require a very small, inexpensive chipset circuit. Must | 9 | $961 | Electrical Engineering | Jul 13, 2012 | - | ||
| ...(SimPowerSystem) own battery model to use. The power consumption depends on the time, is given. There has to be created...on the battery level. A similar model as an example is given. The data of the Li-Ion Battery will... | 7 | $193 | Engineering, Electronics, Matlab & Mathematica, Electrical Engineering, Mathematics | Oct 6, 2010 | - | ||
| Engineering, Electronics, Microcontroller, Electrical Engineering, PCB Layout | Oct 11, 2012 | - | |||||
| ...small, battery powered, GPS device, that in it's main operational mode, will check a list of coordinates...module - Battery of ~900 mAh that guarantees a minimum of 8 hours continuous operation in main mode (comparison | Bid Now! | - | Engineering, Electronics, Embedded Software | Nov 5, 2012 | - | ||
| ...Solar Powered Car Ventilator System which can work while the driver is outside the car and the car is...separate battery or can be connected with car battery. If car battery is used then their is no reason to...external... | 1 | $35 | Buyer Sourcing | Apr 20, 2012 | - | ||
| Electronics, Manufacturing, Electrical Engineering, Materials Engineering, Manufacturing Design | Jun 27, 2011 | - | |||||
| de-code-ion-cube | 3 | $646 | PHP | Apr 23, 2009 | - | ||
| ...design schematic and a parts list. 4) I need this done in a relativly short time. Please include with...of the battery pack: 20 batteries 24 Volts 80000 mAh or 100000 mAh Please include shipping costs in your | 3 | $382 | PHP, C Programming, Engineering, Testing / QA, Software Architecture, Software Testing, Website Testing, MySQL, Usability Testing | Apr 25, 2002 | - | ||
| ...must be battery powered by a small over the shelf battery,The unit will be operated a for about one hour...like the battery to last atleast one year. The temperature range is from 35F to 120F. I will design the | 32 | $497 | Electronics, PCB Layout | Feb 14, 2010 | - | ||
| ...into a schematic and a PCB. An INA114P amplifies a thermocouple voltage and feeds in into an ADS1211P...rechargeable battery) also interfaces with the ATmega328P as does a 16 switch keypad and a 2 line by 16 character...both the s... | 18 | $199 | Engineering, Electronics, Anything Goes | Jan 12, 2010 | - | ||
| ...a LED powered with two coin cell batteries, maybe CR-2032, with a tilt switch, maybe this one https://www | 24 | $393 | Engineering, Electronics, Manufacturing Design, Product Design | Oct 20, 2012 | - | ||
| ...to the schematic. After some testing, I am thinking that there may be an inherent flaw with the aux...aux battery that I am using. I am currently using a 3.7v li-poly battery. When it is higher than the...not the batte... | 1 | $100 | PCB Layout, | Nov 28, 2012 | - | ||
| ...schematics into schematic capture tool Get an account on www.upverter.com and let me know your username Then...for each schematic: - Load up the source schematic (a list to do is posted below) - Search for each compone... | 20 | $125 | Data Entry, Electronics, CAD/CAM, Microcontroller, Electrical Engineering | Oct 6, 2011 | - | ||
| ...schematics into schematic capture tool Get an account on www.upverter.com and let me know your username/password ...for each schematic: - Load up the source schematic (a list to do is posted below) - Search for each compo... | 7 | $122 | Data Entry, Electronics, CAD/CAM, Microcontroller, Electrical Engineering | Sep 20, 2011 | - | ||
| ...receiver schematic and parts list. This is a very simple circuit. Transmitter will have a switch on it...or AC (battery or 110- wall wart) - Receiver needs to be tiny, smaller than 2"x0.5"x1" ... - Schematic... | 10 | $117 | Wireless, Electronics | Jun 4, 2009 | - | ||
| ...poly LI-ION battery power cape. Do the circuit design for the cape. Do the PCB design for the cape. Do | 3 | $616 | C Programming, Electronics, Embedded Software, PCB Layout | May 30, 2012 | - | ||
| High powered Fm Bug Very stable and As small as possible that can be hand made and made by anyone reading...Layout and schematic 3 to 6 volt if possible but if 9v is more conventional then so be it. I am open to | 3 | $224 | PCB Layout | Mar 3, 2011 | - | ||
| ...simple schematic for running an array of strobing LEDS. The trigger pulse will be 3-5v, 40ma and needs...will be powered by 12v DC. When the trigger pulse goes HIGH, an array of up to 6 LED's will flash. Each | 22 | $100 | Electronics, Electrical Engineering | Mar 25, 2010 | - | ||
| ...for a Battery Guru / Expert. We have a wrist wearable communications device design and I need help...custom battery solution that would fit our design and power requirements. Supplier must have skype | Bid Now! | - | Product Sourcing, Manufacturing, Supplier Sourcing | Mar 14, 2012 | - | ||
...USB bus-powered analog multiplexer with PIC24 and ASCII-format USB data output. Quote phase 1 only, for...attached schematic and spec with PIC24, analog multiplexer and ADC, and DIP switches. You add USB connections...programming | 19 |
$1819 |
Embedded Software |
May 23, 2012 |
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| | |
| ...electric powered wheelchair. We need a controller.developed for it. The controller will take inputs from...Phase 1: schematic Phase 2: PCB layout Phase 3: program thanks | 24 | $430 | Electronics, Microcontroller | Oct 28, 2012 | - | ||
...A NiMH battery pack consists of qty 2 AA NiMH cells in series with a over-current device (solid state...points: 1. Battery stack + terminal 2. Battery stack - terminal 3. Positive (or negative) external connector...external | 1 |
$42 |
Anything Goes |
Nov 18, 2009 |
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| | |
| ...schematics into schematic capture tool Get an account on www.upverter.com and let me know your username Then...for each schematic: - Load up the source schematic (a list to do is posted below) - Search for each compone... | 14 | $105 | Data Entry, Electronics, CAD/CAM, Microcontroller, Electrical Engineering | Sep 23, 2011 | - | ||
| ...schematics into schematic capture tool Get an account on www.upverter.com and let me know your username Then...for each schematic: - Load up the source schematic (a list to do is posted below) - Search for each compone... | 11 | $121 | Data Entry, Electronics, CAD/CAM, Microcontroller, Electrical Engineering | Oct 4, 2011 | - | ||
| ...a PCB schematic and take care of everything regarding the project (hw, fw, ..). Preferably if there is...Accelerometer, battery, PIC). 2- Firmware. 3- Mechanical design (case and cooling), and all needed manufacturing | 17 | $1393 | Engineering, Microcontroller, PCB Layout, GPS | Jan 4, 2013 | - | ||
| ...everything powered by an AC to DC Adapter. An LCD will display the time and there should be a way to program...and the schematic. Please tell me if this project is conveniently plausible and show me other projects | 10 | $123 | Electronics, Microcontroller, PCB Layout, Arduino | May 12, 2012 | - |
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