Circuit diagram 230v 12v 100ma power supply jobs:
| Project Name | Description | Type | Bids | Avg (USD) | Skill Required | Started | Ends | |
|---|---|---|---|---|---|---|---|---|
| ... (along with bridge rectifier and capacitor) for conversion from 230V 50Hz AC to 12V 100mA DC. But it is costly and bulky. So ... low as possible. We want: 1. Circuit diagram of power supply circuitry suitable for our application. ... | Fixed | 17 | $102 | Electronics | May 22, 2010 | - | ||
| Battery switch over & charger circuit diagram Background The device is powered ... main functional components to this project: Battery Switch over: 1) The primary power ... will not lose power. Deliverables: 1) Circuit diagram, can be in eagle cad ... | Fixed | 7 | Electronics, Engineering | Nov 13, 2008 | - | |||
| ... the voltage supplied by a computer ATX power supply (+12V or +5V) the board must output +1.8V and -1.8V. ... or internal SATA power cable). The maximum output current required is 100mA The required deliverables are a components list, ... | Fixed | 18 | $112 | Electrical Engineering, Electronics, PCB Layout | Jul 4, 2011 | - | ||
| Fixed | Sep 22, 2008 | - | ||||||
| ... volt UPS, without any fancy "on battery" or "supply fail" ... other than a couple of LED indicators. The battery circuit must disconnect the battery ... and cheap device. Deliverables are: 1. Circuit design 2. Gerber, solder resist, ... | Fixed | 13 | Electronics | May 23, 2008 | - | |||
| Fixed | Jan 30, 2008 | - | ||||||
| Fixed | May 31, 2012 | 5d 14h | ||||||
| ... 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 | - | ||
| This project consists of providing a board design and component list for a ... of the project will include generally readable board files which are suitable for submission ... aspect of this project. File format for circuit board should ideally be compatible with ... | Fixed | 10 | $217 | Electrical Engineering, Electronics, Engineering | May 17, 2011 | - | ||
| This project consists of providing a board design and component list for a ... of the project will include generally readable board files which are suitable for submission ... aspect of this project. File format for circuit board should ideally be compatible with ... | Fixed | 8 | $136 | Electrical Engineering, Electronics, Engineering | May 15, 2011 | - | ||
| I have a simple circuit for a power-over-ethernet power ... like the PCB Layout completed for the circuit. It is a simply ... . I would also like a prototype board build and assembled, which I ... the manual for the EVAL-AG5500 board which is the reference design ... | Fixed | 21 | $492 | PCB Layout | Jun 21, 2011 | - | ||
| ... 600W minimum Fits into the standard ATX power supply dimensions:150 mm × 86 mm × 140 mm I would prefer to have a fan circuit with the rpm automatically controlled by ... a necessity. I just need the circuit board. I will take care of ... | Fixed | 33 | $474 | Electrical Engineering, Electronics, PCB Layout | Nov 11, 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 | - | ||
| We have lost all of our power supply information with a server crash and ... and information for the digital meter,Precision Potentiometers , power source that converts from AC to DC ... one. We will need a new wiring diagram. The overall design is very simple and ... | Fixed | 27 | Electrical Engineering, Electronics, PCB Layout | Nov 28, 2010 | - | |||
| Fixed | Dec 23, 2007 | - | ||||||
| I have some electrical circuit diagram hand drew for tool machines. I need to put it in Cad version and with the table with the wires, contacts, coils, etc using standard IEC symbols. I need the DWG files, but if you could ... | Fixed | 21 | $122 | AutoCAD, Electrical Engineering, Electronics, Mechanical Engineering, Mechatronics | Jul 15, 2010 | - | ||
| 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 | - | ||
| 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 Current control through ... | 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 ... combination between the Figure 16 and a similar circuit to Figure 24. We have than made the ... | Fixed | 10 | $482 | CAD/CAM, Electrical Engineering, Electronics, Matlab & Mathematica, PCB Layout | Aug 17, 2011 | - | ||
| 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 | - | ||||||
| ... 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 | - | ||
| 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 | - | ||
| ... 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 | - | ||
| 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 | - | ||
| ... 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 | - | ||
| 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 | - | ||
| 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 | - | ||
| Fixed | Nov 11, 2011 | - | ||||||
| Fixed | Feb 6, 2012 | - | ||||||
| Fixed | Dec 7, 2007 | - | ||||||
| Need schematic design + BOM for a transformerless Power supply to supply 12V dc @100ma. Input is 230Vac @ 50 hz. BOM price must be as low as possible. Schematic delivary can be PDF or native Eagle or ORCAD files. PCB ... | Fixed | 22 | $128 | CAD/CAM, Electrical Engineering, Electronics, PCB Layout | Dec 16, 2011 | - | ||
| ... find on a desktop computer. The first circuit diagrams will have a qtouch button ... The second circuit diagram will just have a regular push button power and reset switch as well as ... needs for this version of the power module. The engineer will need to ... | Fixed | 4 | Engineering | Jun 4, 2006 | - | |||
| Aim Design and Supply a schematic diagram of an 'Audio Delay' circuit. Criteria The design should use components that ... cost of parts should not be more than $25USD. The power supply voltage should not exceed 12volts DC, 5V supply ... | Fixed | 8 | $176 | Electrical Engineering, Electronics, Engineering, Manufacturing Design, Mechanical Engineering | Feb 4, 2011 | - | ||
| ... the flow chart but explain to me the motor and the battery with the solar power. waiting for your reply please send ... i posted the project requirement over here http://www.freelancer.com/projects/Electronics-Microcontroller/circuit-designing.html | Fixed | 7 | $8 | Electrical Engineering, Electronics, Embedded Software, Microcontroller | Oct 26, 2011 | - | ||
| ... Unit with. The engineer would design the circuit and provide a professionally made digital schematic drawing of the circuit along with all the electronics components ... /names/indexes. We will assemble the circuit at our location. The engineer does ... | Fixed | 22 | $390 | Electrical Engineering, Electronics, Engineering | Jan 18, 2012 | - | ||
| ... 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 | - | ||
| ... • One to four secondary switches • Power light • Activation light • ... light • Transmitter • Receiver The circuit should perform as follows. When the ... housing. I will require a complete circuit diagram, and parts list. My profession ... | Fixed | 21 | Electronics, Engineering | Jul 15, 2008 | - | |||
| ... in his mind this things for the circuit design ... 1- sound quality ( no noise ) 2- Good Power Consumption 3- minimize the system how the ... finish , he will send me the circuit diagram , thin i will build it and test it , if every thing ... | Fixed | 3 | $155 | Audio Services, Electronics | Apr 20, 2012 | - | ||
| Fixed | Feb 22, 2012 | - | ||||||
| ... ) Reverse polarity protection (prevent circuit damage if power is connected incorrectly) ... will be used to power 3 series connected LEDs, each requiring ... a maximum current of 1.5A. Power is to be provided by ... by a short cut of power to the driver (switch on ... | Fixed | 16 | Electrical Engineering, Electronics, Engineering, Microcontroller, PCB Layout | May 20, 2012 | - | |||
| I need help in miniaturizing a circuit schematic that I have (involves a microcontroller ... pill with half dedicated to a miniature circuit (with a microcontroller) and the other ... advice on how to take my existing circuit diagram and find components and create ... | Fixed | 8 | $635 | Electrical Engineering, Engineering, Microcontroller, PCB Layout | Apr 28, 2012 | - | ||
| Fixed | Jun 19, 2011 | - | ||||||
| We need an analog signal conversion circuit based on op amps or ... used has a +5V power supply so the circuit must also include a DC-DC converter to power the amplifier rails.( a ready ... the chosen components to implement the circuit is not critical as this ... | Fixed | 13 | $110 | Electrical Engineering, Electronics, PCB Layout | Dec 19, 2011 | - |
Showing 1 to 50 of 33916 entries
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