12v 100ma power supply circuit jobs:
| Project Name | Description | Type | Bids | Avg (USD) | Skill Required | Started | Ends | |
|---|---|---|---|---|---|---|---|---|
| Fixed | Jan 30, 2008 | - | ||||||
| ... with a battery charge and supply circuit to provide power when the input voltage ... a couple of LED indicators. The battery circuit must disconnect the battery at a ... and cheap device. Deliverables are: 1. Circuit design 2. Gerber, solder resist, ... | Fixed | 13 | Electronics | May 23, 2008 | - | |||
| 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 circuit that ... board build and assembled, which I can supply all of the components. I am attaching ... | Fixed | 21 | $492 | PCB Layout | Jun 21, 2011 | - | ||
| ... for conversion from 230V 50Hz AC to 12V 100mA DC. But it is costly and bulky. So we want to ... it with less costly and light-weight circuit. 12V DC output would be used ... possible. We want: 1. Circuit diagram of power supply circuitry suitable for our ... | Fixed | 17 | $102 | Electronics | May 22, 2010 | - | ||
| ... voltage supplied by a computer ATX power supply (+12V or +5V) the board must output +1.8V and -1.8V. ... a PC USB interface or internal SATA power cable). The maximum output current required is 100mA The required deliverables are a components ... | Fixed | 18 | $112 | Electrical Engineering, Electronics, PCB Layout | Jul 4, 2011 | - | ||
| Fixed | Sep 22, 2008 | - | ||||||
| ... 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 | - | ||
| ... design and component list for a circuit board which will provide variable ... the 24 volt 1 amp power supply specified by Digikey part ... 24 V available from the supply, with up to the full ... this project. File format for circuit board should ideally be compatible ... | Fixed | 10 | $217 | Electrical Engineering, Electronics, Engineering | May 17, 2011 | - | ||
| ... design and component list for a circuit board which will provide variable ... the 24 volt 1 amp power supply specified by Digikey part ... 24 V available from the supply, with up to the full ... this project. File format for circuit board should ideally be compatible ... | Fixed | 8 | $136 | Electrical Engineering, Electronics, Engineering | May 15, 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 | - | ||
| Fixed | Dec 23, 2007 | - | ||||||
| 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 | - | ||
| 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 | - | |||
| 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 | - | |||
| ... 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 | - | ||
| 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 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 | - | ||
| I need someone to design a small circuit board that has integrated rotary dimmer-( ... and turn off a 12V halogen bulb. The circuit board + components must be ... inside a 10mm (internal diameter) tube. 12V supply wires will come in one end and output wires will ... | Fixed | 11 | AutoCAD, CAD/CAM, Electronics, Manufacturing Design, PCB Layout | Sep 15, 2011 | - | |||
| Battery switch over & charger circuit diagram Background The device is powered ... one source to another should not interrupt power supply to the application. 3) Once ... =H0,C1,C1003,C1042,C1031 Microcontroller Supply: 1) A simple regulator to supply ... | Fixed | 7 | Electronics, Engineering | Nov 13, 2008 | - | |||
| ... make a schematic (circuit) design for a part (section) of Power Supply Unit with some ... 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 ... | Fixed | 22 | $390 | Electrical Engineering, Electronics, Engineering | Jan 18, 2012 | - | ||
| This project includes design of Power board. It includes the following main blocks 1 ... and current sense circuitry. 4. Isolated 12V,3A supply from PFC o/p. isolated ... guy H/W designers having experience in power supply designs. Please contact for more ... | Fixed | 11 | $220 | Electronics, Engineering | Jul 12, 2009 | - | ||
| Fixed | Nov 11, 2011 | - | ||||||
| I need someone to design a small circuit board that has integrated rotary dimmer-( ... and turn off a 12V halogen bulb. The circuit board + components must be ... inside a 10mm (internal diameter) tube. 12V supply wires will come in one end and output wires will ... | Fixed | 4 | $138 | AutoCAD, CAD/CAM, Electronics, Manufacturing Design, PCB Layout | Sep 25, 2011 | - | ||
| Fixed | Dec 7, 2007 | - | ||||||
| ... regulated dc power supply dc power supply circuit 12 volt dc ... jack ac dc power dc power adapter dc power connector dc ... system 1u server 1u power supply 1u rack mount 1u mount ... 2u rack mount server 2u power supply 2u case 3u rack ... | Fixed | 3 | Copywriting, Proofreading | Oct 3, 2007 | - | |||
| ... a schematic diagram of an 'Audio Delay' circuit. Criteria The design should use components ... should not be more than $25USD. The power supply voltage should not exceed 12volts ... delay of audio is 1 second. The circuit should function. The audio input is ... | Fixed | 8 | $176 | Electrical Engineering, Electronics, Engineering, Manufacturing Design, Mechanical Engineering | Feb 4, 2011 | - | ||
| 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 | - | ||
| IN INDIA MUMBAI . Problem : Power Supply Utilities in metros face difficulties ... staff through. Staff locates the supply feed points & rectifies / restores ... panel. Requirement: GSM modem incorporated circuit with LED indicator lamps. Software ... | Fixed | 4 | $5000 | Editing, Research | Aug 26, 2010 | - | ||
| ... you don't have to wires connecting everything. 5. Breadboard Power Supply A low dropout adjustable power supply ideal for breadboarding. Schematic : http://www.ladyada.net/make/bbpsup/bbsupplyschem.png 6. MiniPOV ... | Fixed | 14 | $106 | CAD/CAM, Data Entry, Electrical Engineering, Electronics, Microcontroller | Sep 23, 2011 | - | ||
| ... few things missing, what about the power supply? and the motor. you didnt ... and the battery with the solar power. waiting for your reply please send ... over here http://www.freelancer.com/projects/Electronics-Microcontroller/circuit-designing.html | Fixed | 7 | $8 | Electrical Engineering, Electronics, Embedded Software, Microcontroller | Oct 26, 2011 | - | ||
| we need an analog circuit for coin discrimination. we have already tried with ... if you need more ad resolution take the next pic (must be pic) power supply 5V USB (this is the only power supply for everything) generate the pwm signal with the pic ... | Fixed | 5 | $453 | Electrical Engineering, Electronics, Microcontroller | Jan 20, 2012 | - | ||
| we need an analog circuit for euro coin discrimination. we have already tried with ... ad resolution take the next pic (must be pic) power supply 5V USB (this is the only power supply for everything) generate the pwm signal with the pic and excite the ... | Fixed | 7 | $464 | Electrical Engineering, Electronics, Microcontroller | Feb 10, 2012 | - | ||
| The project consist on a circuit with all funcionatilties needed to perform ... points: operating temperature : -40to + 40C degree Power Supply : 15 to 20V DC ... voltage and temperature - Adjustable Cut off circuit - Battery temperature monitor ( to control ... | Fixed | 29 | $466 | Electrical Engineering, Electronics, Microcontroller, PCB Layout | Aug 17, 2011 | - | ||
| we need an analog circuit for coin discrimination. for the exciting of the coils we have a pic16f887 - pwm signal could be used. power supply is 5V from USB. the circuit will be connected with the ad converter of the pic. we ... | Fixed | 11 | $252 | Electrical Engineering, Electronics, Engineering, Microcontroller | Sep 7, 2011 | - |
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