230v 12v power supply jobs:
| Project Name | Description | Type | Bids | Avg (USD) | Skill Required | Started | Ends | |
|---|---|---|---|---|---|---|---|---|
| ... transformer (along with bridge rectifier and capacitor) for conversion from 230V 50Hz AC to 12V 100mA DC. But it is costly and bulky. So ... that at our end. Note: This type of power supply circuitry (along with enclosure and cable) ... | Fixed | 17 | $102 | Electronics | May 22, 2010 | - | ||
| ... my case I have only DC 12V available on board. There is a ... would like to replace the original "power supply" board installed at the ... one which can be powered by 12V DC directly. I have no ... join a picture of the original power supply board (other pictures of ... | Fixed | 6 | $417 | Electronics, PCB Layout | Oct 6, 2011 | - | ||
| ... supplied by a computer ATX power supply (+12V or +5V) the board must output +1.8V and -1 ... the standard internal 4 pin peripheral power cable (+15, +5, Gnd) from a ... PC USB interface or internal SATA power cable). The maximum output current required ... | Fixed | 18 | $112 | Electrical Engineering, Electronics, PCB Layout | Jul 4, 2011 | - | ||
| I need someone to source me Delta Electronics ADP-30HF power supply. input 100-240v 50-60Hz 1A output 12V 1A, 5.1V 4.3A Must be this exact product from Delta Electronics! Post your quotes for one sample and bulk quantities. Please ... | Fixed | 9 | $284 | Buyer Sourcing, Logistics & Shipping, Manufacturing, Product Sourcing, Supplier Sourcing | Jul 20, 2011 | - | ||
| ... and PCB design for a 5 volt power supply with a battery charge and ... "on battery" or "supply fail" outputs other than a ... must have a timer, so that the supply will only switch on 30 seconds after power is supplied to the input. Input ... | Fixed | 13 | Electronics | May 23, 2008 | - | |||
| We have lost all of our power supply information with a server crash and need to reconstruct our Tattoo DC Power Supply, we have most all the sources and information for the digital meter,Precision Potentiometers , power source that converts from AC to DC ... | Fixed | 27 | Electrical Engineering, Electronics, PCB Layout | Nov 28, 2010 | - | |||
| Fixed | Sep 22, 2008 | - | ||||||
| Fixed | Dec 23, 2007 | - | ||||||
| I want to design a 48VDC power supply of 10,15 and 20 amps It has to be switching power supply It must be able to supply power from external battery when powerlines fail. it also has to be able to recharge battery. deliverables ... | Fixed | 13 | $596 | Electronics | Jun 4, 2008 | - | ||
| ... create a 50 - 70 volt power supply to power a DC motor. ... voltages as low as 50VDC. The power source is120VAC 60Hz. My thought was ... capacitor to help smooth out the power, what size to use that ... have to build a PCB. This supply will be used outside so ... | Fixed | 16 | $163 | Electrical Engineering, Electronics, PCB Layout | Sep 17, 2010 | - | ||
| the project involves the design of a 12VDC input switching power supply for a LCD TV to replace the original 110-220VAC. the power supply is to be integrated in a ... 5VCC, 12VCC and 62 VAC high frequency. power output: 200 W. design should be ... | Fixed | 12 | $526 | Electronics, Engineering, Microcontroller, PCB Layout | Aug 23, 2011 | - | ||
| Fixed | Oct 25, 2011 | - | ||||||
| ... board which will provide variable DC power to a device. Part numbers ... to the 24 volt 1 amp power supply specified by Digikey part ... as the main control for the power. Again, select a part which ... and act as a user power control. 3. Whatever other components ... | Fixed | 10 | $217 | Electrical Engineering, Electronics, Engineering | May 17, 2011 | - | ||
| I would like a power supply that meets the following requirements: Input: 120VAC/60Hz Ouput: 19VDC 600W minimum Fits into the standard ATX power supply dimensions:150 mm × 86 mm × 140 mm I would prefer to have a fan ... | Fixed | 33 | $474 | Electrical Engineering, Electronics, PCB Layout | Nov 11, 2011 | - | ||
| ... runtime 3. Application able to measure the power been supplied to device real time ( ... to log it in text/xsl sheet (power measurement /device connect/disconnect event) 5. Application able to intercept power supply, means can increase or decrease runtime ... | Fixed | 8 | $185 | .NET, C Programming, C# Programming, C++ Programming, Windows Desktop | Feb 21, 2012 | - | ||
| Fixed | Jan 30, 2008 | - | ||||||
| I need a small and efficient power supply designed and prototyped that will plug into a 120VAC wall outlet and output 36VDC. It needs to be dimmable for an LED light by PWM. | Fixed | 7 | $196 | Electrical Engineering | Aug 6, 2010 | - | ||
| ... supply: nominal 12VAC/50Hz-10kHz power sources: - toroidal transformer - pulse electronic transformer ... output voltage: about 11VDC (High-Power LED x 3 in serial ... We need: - corrected documentation of our power supply (under Altium Designer) - EMC ... | Fixed | 5 | $910 | Electrical Engineering, Electronics, PCB Layout | Feb 11, 2011 | - | ||
| ... who will able to design GU10 LED power supply. Specification of our design: power ... 230VAC/50Hz-60Hz topology: non-isolated pulse power supply output current: 500mA or 700mA ... (option) output voltage: about 11VDC (High-Power LED x 3 in serial connection ... | Fixed | 10 | $850 | Electronics, PCB Layout | Feb 11, 2011 | - | ||
| ... board which will provide variable DC power to a device. Part numbers ... to the 24 volt 1 amp power supply specified by Digikey part ... as the main control for the power. Again, select a part which ... and act as a user power control. 3. Whatever other components ... | Fixed | 8 | $136 | Electrical Engineering, Electronics, Engineering | May 15, 2011 | - | ||
| I have a simple circuit for a power-over-ethernet power supply, and would like the PCB Layout completed for the circuit. It is a simply ... a prototype board build and assembled, which I can supply all of the components. I am attaching the ... | Fixed | 21 | $492 | PCB Layout | Jun 21, 2011 | - | ||
| I need a high voltage 25kv pulse 0.01amp power supply. It should generate a negative 25kv pulse until current stops to load (basically a capacitor) then turn power off to the load, then ground the load, and it should ... | Fixed | 10 | $447 | Electrical Engineering, Electronics, Microcontroller | Jun 24, 2011 | - | ||
| Looking for an R&D team ,for a project involving power supply and MCU firmware to be developed . the full scope of the project will be disclosed after prequalification of the candidates . We are looking for a full working prototype ... | Fixed | 17 | Electronics, Microcontroller, Wireless | Feb 28, 2012 | - | |||
| Hello, I need plans on now to re-wire a standard ATX power supply to operate on 12 vdc. (I dont expect this to cost more then $50:) | Fixed | 3 | $50 | Electronics | Mar 27, 2009 | - | ||
| I am looking to design a Switched Mode Power Supply for Led Lighting. Specifications: 100 to 240 VAC input, 6VDC, 12 W I need information about the tranformer type and features, driver or controller IC and ... | Fixed | 32 | $112 | Electrical Engineering, Electronics, Mechatronics, PCB Layout, Product Design | Dec 14, 2010 | - | ||
| Multiple output power supply from 3.3VDC to 18VDC Up to 500ma per output. New style of output design. I could draw it for you if you like. It would be a hand drawing | Fixed | 3 | $550 | Manufacturing, Product Design | Apr 11, 2011 | - | ||
| i need a power supply for a Video Mixer i have, attached you have the diagram provided by the manufacturer. Thanks, | Fixed | 7 | $140 | Electronics, PCB Layout | Sep 23, 2011 | - | ||
| Draw schematic, prepare BOM and PCB layout of a PC104 Power Supply. | Fixed | 23 | $530 | CAD/CAM, Electronics, PCB Layout | Oct 8, 2011 | - | ||
| Please see attachment, PCB design required for this Power supply. Input will be 12vDC +/-1v. 4 outputs required: 34Vdc, 12Vdc, 5Vdc and 3.3Vdc. PCB design only required. i wll produce prototypes. ... | Fixed | 40 | $168 | Electrical Engineering, Electronics, Microcontroller, PCB Layout | Mar 30, 2012 | - | ||
| Need someone to design a prototype circuit for a SMALL buck/boost microprocessor power supply. Preferred specifications: Use PIC12F or Attiny uP Input voltage of 2V to 7V Ouput voltage of 3V to 6.5V ... | Fixed | 7 | Electronics, Engineering | Jan 11, 2007 | - | |||
| Dear All, We have developed a High Voltage power supply module for Avalanche photodiode. The solution is based uppon the AN118 written by Jim Williams (Linear Technology) and is a combination between ... | Fixed | 10 | $482 | CAD/CAM, Electrical Engineering, Electronics, Matlab & Mathematica, PCB Layout | Aug 17, 2011 | - | ||
| Fixed | Nov 11, 2011 | - | ||||||
| ... and current sense circuitry. 4. Isolated 12V,3A supply from PFC o/p. isolated ... battery voltage. Whenever input Ac supply fails, immediately 12V supply is generated from 24V ... H/W designers having experience in power supply designs. Please contact for more ... | Fixed | 11 | $220 | Electronics, Engineering | Jul 12, 2009 | - | ||
| ... single 4 channel receiver connected to a 12v power supply. Specification As one of 36 button pushes is depressed piezoelectric components should produce pulse of charge sufficient to power radio transmitter sending short range signal to ... | Fixed | 10 | $421 | Electrical Engineering, Electronics, PCB Layout | Apr 9, 2012 | - | ||
| ... the mpeg data to a usb file stream(usb pen/flash/hdd drive). 12V power supply preferable Compact design required Camera sensor to MPEG Compression to USB flash drive. Quote approximate design/development ... | Fixed | 17 | $2018 | Electrical Engineering, Electronics, Embedded Software, Microcontroller, PCB Layout | Sep 5, 2010 | - | ||
| ... engineer to make a schematic (circuit) design for a part (section) of Power Supply Unit with some certain features. The Power Unit is for vacuum tube devices, ... vacuum device and the common section of Power Unit already made, so we need just ... | Fixed | 22 | $390 | Electrical Engineering, Electronics, Engineering | Jan 18, 2012 | - | ||
| Fixed | Jun 19, 2011 | - | ||||||
| IN INDIA MUMBAI . Problem : Power Supply Utilities in metros face difficulties in ... low voltage distribution network interrupts consumers supply. In such cases call centre ... staff through. Staff locates the supply feed points & rectifies / restores ... | Fixed | 4 | $5000 | Editing, Research | Aug 26, 2010 | - | ||
| ... need a logo designed for my company. We sell refurbished interruptible power supplies (UPS.) Some ideas for the logo could be something representing electrical power, lightning, surges, power outages, etc. I sell mostly to knowledgeable ... | Fixed | 63 | $54 | Logo Design | Jun 27, 2005 | - | ||
| We are looking to create dedicated power to a off camera flash. it will need to be reduced from 110 to 6volts ... a canon shoe cord. We need the flash to NOT use Batteries. We want constant power to the flash. Also we would like to sync a web camera to a flash ... | Fixed | 6 | $59 | Electrical Engineering, Electronics, Engineering | Jul 23, 2010 | - | ||
| Looking for Engineer who has Skills in power Supply and UL rating and Labs test . the project is a LED driver ,located within a bulb ,to be developed as much as efficient as possible for up to 15 watts . ... | Fixed | 33 | $1712 | Electronics, Engineering, PCB Layout | Jan 31, 2012 | - | ||
| ... design for the following. I have a mains 230v supply operating a load of up to ... say 40 milliamps to switch off the power supply to the load. An additional circuit ... will be required to power the IR device when the 230V supply is switched off and to have ... | Fixed | 23 | Engineering | Mar 16, 2007 | - | |||
| Fixed | Aug 30, 2011 | - | ||||||
| ... Auto sensing (110/220 VAC) switching power supply with +12V output (100W) for powering ... Charge control for an internal lead acid 12V battery with automatic fallback (UPS) in ... (external) and 3 PWM for controlling 12V fans speed. - RS232 interface to connect ... | Fixed | 11 | $975 | Electronics, Engineering | Aug 21, 2006 | - | ||
| ... of 4.5ah 6v SMF battery, 7ah 12v SMF battery, 12ah ... SMF battery, 65ah 12v SMF battery, 100ah 12v SMF battery, 150ah ... AGM Battery The Power Tech 12V 100Ah AGM Batteries are ideal ... your Solar, Wind and Energy Power Storage requirements or alternatively any ... | Fixed | 0 | Leads | Dec 18, 2011 | - | |||
| Fixed | Jul 3, 2011 | - | ||||||
| I require a UK based hardware designer/Company to develop a vehicle locator module design for prototype. The winning bidder will deliver schematics, BOM, GERBER Files, Drill files etc in a format that can be viewed with eagle pcb or another free cad soft | Fixed | 11 | $466 | Electrical Engineering, Electronics, Microcontroller, PCB Layout, Wireless | May 11, 2012 | 45d 9h | ||
| ... with a dip sw on board - one of 12V or 48V Output current - upto 20A Converter ... variables Please bid only if you have good power electronics design experience. I need this to be a demo kit for a project. But the supply stability is a must. It's not ... | Fixed | 15 | $1330 | Electronics, Embedded Software, Product Design | Sep 11, 2010 | - | ||
| ... i will need Schematic and C++ code designed for PIC (not the layout). Power supply can be used as PoE (power over ethernet) or just simple 230V adaptor... This project must be 100% Functional! No random BIDS, i ... | Fixed | 23 | $783 | C++ Programming, Electronics, Microcontroller, PHP | Jan 23, 2011 | - | ||
| Fixed | Jul 4, 2011 | - |
Showing 1 to 50 of 31314 entries
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