230v 50hz circuit diagram 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 we ... it with less costly and light-weight circuit. 12V DC output would be used by IC 4060 ... | Fixed | 17 | $102 | Electronics | May 22, 2010 | - | ||
| Battery switch over & charger circuit diagram Background The device is powered from ... microprocessor will not lose power. Deliverables: 1) Circuit diagram, can be in eagle cad ... 3 hours max to draw up this circuit diagram if you are experienced. | Fixed | 7 | Electronics, Engineering | Nov 13, 2008 | - | |||
| 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 | - | ||
| Fixed | Dec 7, 2007 | - | ||||||
| I need help in miniaturizing a circuit schematic that I have (involves a microcontroller) to the size of half of a large ... with half dedicated to a miniature circuit (with a microcontroller) and the other half dedicated to drug release ... | Fixed | 8 | $635 | Electrical Engineering, Engineering, Microcontroller, PCB Layout | Apr 28, 2012 | - | ||
| ... Super Ear op-amp system , the circuit should have transistors, preamp ic . ... in his mind this things for the circuit design ... 1- sound quality ( no noise ... 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 | - | ||
| ... light • Transmitter • Receiver The circuit should perform as follows. When the ... an audible and visual alarm. The circuit should also have the following attributes ... housing. I will require a complete circuit diagram, and parts list. My profession ... | Fixed | 21 | Electronics, Engineering | Jul 15, 2008 | - | |||
| Fixed | Feb 22, 2012 | - | ||||||
| Fixed | Feb 6, 2012 | - | ||||||
| I need a simple circuit diagram with component list for a 30 ... extra large LED's so the circuit design would need to take this ... consideration. I plan to feed this circuit with a "line level& ... stereo audio input. I need the circuit to operate on 12VDC if ... | Fixed | 4 | $85 | Electronics | Aug 15, 2008 | - | ||
| Need professional circuit analysis for a number of audio and video circuits ... Comments must be added on each circuit diagram about how it works , its system and the function of main ... both analog and digital video. Each circuit needs about 10-12 lines of ... | Fixed | 16 | $894 | Electronics, Engineering | Feb 25, 2008 | - | ||
| Fixed | Nov 30, 2008 | - | ||||||
| So this is a circuit what I need: 1. Takes signal from a small microphone 2. Gives an output of +3 ... components. All components should come from UK supplier. For example DigiKey has good range. I just need a circuit diagram with specified components. | Fixed | 0 | Electronics | Jan 20, 2010 | - | |||
| i need circuit diagram for quadcopter. that will be able to work forward reverse left right rotation with speed control only serious engineers can bid for further deatail, | Fixed | 14 | $197 | Electronics, Engineering, Manufacturing, Microcontroller, PCB Layout | Dec 31, 2011 | - | ||
| I need (1) a circuit diagram to connect Sensirion SHT15 digital humidity and temperature sensor to my Velleman K8055 interface board and (2) some assistence via e-mail during programming (I'd do it myself, just need some guidance) and testing. | Fixed | 6 | $93 | Electronics | Nov 5, 2011 | - | ||
| ... , the stepper will return to a "resting" position. I have a duemillanova and a motor control board, and the stepper. Need the program and circuit diagram. Thanks! | Fixed | 9 | $41 | Arduino | Feb 12, 2012 | - | ||
| We have a simple circuit diagram with 1-LM556 IC 30 resistors, 10 transistors, a few LED'S, 10 caps, and a terminal block. We need to convert this into artwork so we can get a PCB prototype made. The ct board will be aprox 3" ... | Fixed | 51 | $102 | Electrical Engineering, Engineering Drawing, PCB Layout | Nov 16, 2011 | - | ||
| We have a simple circuit diagram with 1-LM556 IC 30 resistors, 10 transistors, a few LED'S, 10 caps, and a terminal block. We need to convert this into artwork so we can get a PCB prototype made. The ct board will be aprox 3" X 4" ... | Fixed | 21 | $110 | Electrical Engineering, Engineering Drawing, PCB Layout | Nov 18, 2011 | - | ||
| Hi friends, I am in need of SMPS with specifications Input 230V/50Hz Indian standard and Output 12V, 10A. Efficiency should be atleast 90%. I need the circuit with minimal and easily available components ... | Fixed | 5 | $103 | Audio Services, Electronics, Engineering, Wireless | Apr 13, 2009 | - | ||
| ... to become our flagship product. We need two circuit diagrams for the power and reset ... find on a desktop computer. The first circuit diagrams will have a qtouch button ... through jumpers and connectors. The second circuit diagram will just have a regular ... | Fixed | 4 | Engineering | Jun 4, 2006 | - | |||
| Fixed | Feb 25, 2012 | - | ||||||
| ... Mark Difficulty 70 (See Task Description) Circuit (85) Accuracy 10 Neatness 5 Completeness ... their contents. You must draw this diagram for yourself using the Digitalworks ... correspond to the labels on your circuit diagram. You are not required to ... | Fixed | 2 | $115 | Academic Writing, Electrical Engineering, Engineering, Structural Engineering, Technical Writing | Apr 7, 2010 | - | ||
| I need a circuit board made (project board not PCB), 24Vac going to x2 metal ... sensor - hence the 3 different lengths. When a circuit is made once water bridges a live probe ... screw-in terminal blocks of some sort and a diagram of what wires go where (I.E. ... | Fixed | 9 | $172 | Electronics | May 12, 2012 | - | ||
| ... Design and Supply a schematic diagram of an 'Audio Delay' circuit. Criteria The design ... delay of audio is 1 second. The circuit should function. The audio input is ... an 8ohm 5w speaker. Deliverables A schematic diagram suppied in PDF format. A Bill ... | Fixed | 8 | $176 | Electrical Engineering, Electronics, Engineering, Manufacturing Design, Mechanical Engineering | Feb 4, 2011 | - | ||
| ... micro controller - http://arduino.cc/en/ I have the micro controller board and the programming. I need electrical schematics as to how to wire up from the board to the appliance, ie: lights/fan/etc The system needs to be compatible with 240V at 50Hz. | Fixed | 18 | $380 | C Programming, Electrical Engineering, Electronics, Microcontroller | Nov 25, 2010 | - | ||
| URGENTLY need to design and build a simple circuit to analyse charging and discharging characteristics of supercapacitors. Power from 230V mains, step down (using isolation transformer) and rectify to a ... | Fixed | 9 | $140 | Electrical Engineering, Electronics | Feb 23, 2012 | - | ||
| ... generator. The design should include the following items: 1. Architectural diagram 2. Schematic (circuit diagram) 3. Wiring diagram 4. ... & length 6. Calculations for wiring and circuit protection sizing Please note that my maximum ... | Fixed | 1 | Electronics, Engineering | Dec 13, 2007 | - | |||
| ... (not a PCB) for a RELIABLE system to send power metering data of an AC powered product (110V/60Hz or 220V/50Hz). Maximum power consumption will be 3500W. Transmission device will be HOPERF RFM12B transceivers (868MHz) http://www.hoperf.com/rf_fsk/cob/ ... | Fixed | 7 | $122 | Electronics | Jan 7, 2012 | - | ||
| ... diagram. Then we need to get prototypes manufactured. The circuit board essentially is the connector board. It consists ... ribbon connector. That is all the functionality of this circuit board will be. Exact block diagram will be provided to short ... | Fixed | 11 | Assembly, Electronics, Manufacturing, PCB Layout, Supplier Sourcing | Jan 24, 2012 | - | |||
| ... your reply please send me whath e have requested fast http://dl.dropbox.com/u/28238915/fwdschematics%20%281%29.zip 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 | - | ||
| Fixed | Apr 15, 2009 | - | ||||||
| I have an inverter circuit board diagram, inverter circuit diagram and component list for a 3000W inverter. I need someone to help source these components and build the inverter. I have a huge ... | Fixed | 15 | $268 | Electrical Engineering, Manufacturing | Apr 29, 2011 | - | ||
| ... someone to design/prototype a circuit to drive a 3 phase ... maximum. I’m expecting the circuit to be controlled by a ... power is supplied to the circuit the frequency increases up to ... should be supplied Component list Circuit diagram Software for AVR, PIC ... | Fixed | 14 | CAD/CAM, Electrical Engineering, Electronics, Microcontroller, PCB Layout | Sep 20, 2011 | - | |||
| ... at high speed. This project involve hardware circuit design and software programming for the ... project, you should supply the correponding circuit diagram, program source code, a ... PCB layout board (with corrsponding circuit & layout diagram). If you are ... | Fixed | 4 | $244 | C Programming, Electronics | May 25, 2008 | - | ||
| ... the left there is a list of circuit symbols which can dragged onto the ... wires should extend accordingly The extra bit When I can draw a circuit diagram as stated above, I want ... be able to draw the attached simple circuit and for all the components to ... | Fixed | 9 | $227 | .NET, Software Architecture, SQL, Visual Basic, Windows Desktop | Jul 6, 2011 | - | ||
| Design a 2 layer Printed Circuit Board (PCB) using ExpressPCB Software (Free Download) ... . The PCB sample we will provide has circuit traces which are easily visible to the ... -the-fact. We will provide a complete circuit diagram and a physical board example. ... | Fixed | 35 | $582 | Electrical Engineering, Electronics, PCB Layout | Oct 25, 2011 | - | ||
| ... a BGA part if needed. There will also be a few bits of logic which will be suppied as a circuit diagram. This should be less than 20 flipflops and 30 gates using about 8 i/o pins and running about 300KHz. ... | Fixed | 1 | $500 | Electronics | May 10, 2012 | - | ||
| ... leading in to a patch panel in a seperate room I need a cicuit diagram for the following: 10 modem shaped sockets for the lines to plug into ... , this shall be taken out at a later date. ONLY quote for the circuit design. Must be contactable via msn | Fixed | 2 | $129 | Electronics | Apr 3, 2006 | - | ||
| Need this circuit assignment to be completed. REQUIRE MULTI SIM CIRUIT DRAWING. If Must, can draw out diagram by hand. Urgent! Please show example of past work :) | Fixed | 5 | $48 | Electronics, Engineering | Nov 12, 2007 | - | ||
| ... comply with the given flowchart and circuit diagrams in the attachment. The ASM ... thermocouple) will be connected to the circuit through a temperature transmitter. This ... microcontroller. However, as shown in the circuit diagram, adjustment is done using ... | Fixed | 7 | $156 | Electrical Engineering, Electronics, Instrumentation, Mechatronics, Microcontroller | Sep 3, 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 possibly provide prototype) of a circuit to detect low water level and ... is intrinsically safe against electrocuting swimmers. Circuit would include an overfill lockout that ... sensed for more than 20 minutes. Circuit should include LEDs to inform user ... | Fixed | 23 | $197 | Electrical Engineering, Electronics, PCB Layout | Apr 17, 2012 | - | ||
| Fixed | May 20, 2009 | - | ||||||
| Hello to all ! we need to have the diagram with component list for the follow project : we have 2 signal : A - ... down system : A+B ON : pushing a C switch ( we already have this circuit ) the system will start 2A) if the system is ON, I can shut ... | Fixed | 24 | $90 | Electrical Engineering, Electronics, Engineering, PCB Layout | Jun 8, 2010 | - | ||
| I need three SPI programmer units made. I have attatched the circuit diagram that shows the design the required circuit. The price should include delivery of the three completed, tested units to the UK. | Fixed | 5 | $98 | Electronics | Oct 25, 2006 | - | ||
| ... : Mathematical modeling of the mechanical system consisting of the cart and the ... Design : Selection of the development platform (Matlab, Matlab+Simulink, etc.). Functionality to be ... end product will be "AN INVERTED PENDULUM". If any question ... | Fixed | 3 | $200 | Electrical Engineering, Electronics, Engineering, Mechanical Engineering, Mechatronics | Nov 15, 2009 | - | ||
| Need a `ladder diagram` program made using ABB CL-SOFT v6, a freely available design application ... and also good knowledge of programmable logic relays. All the circuit diagram and technical specification will be provided on further discussion. Thank you | Fixed | 16 | $109 | Electrical Engineering, Electronics, Engineering, PLC & SCADA, Technical Writing | Nov 20, 2011 | - | ||
| ... the LEDs based on the x and y axes. The bulk of the data wrangling should be on the Processing side. A supporting wiring diagram and circuit diagram should accompany the code. | Fixed | 6 | $432 | Arduino, Software Architecture | Dec 6, 2011 | - | ||
| ... more work immediately. User could create Factors, draw them and create links between them. Important skills: Core Data, Draw Diagram, Draw Graphs, Export and Import Data, Share Data with computers (iTunes). Enclosed are more detail informations. | Fixed | 0 | iPad | Apr 10, 2011 | - | |||
| Hello all.. I need a Remote controller circuit design for turn on/off 12 switches individually. It' ... 4. Need source code (only C code) No need to provide PCB, only need circuit diagram and code. If you think you are the right person for doing this ... | Fixed | 2 | $445 | C Programming, Electronics, Engineering, Microcontroller | Aug 20, 2011 | - |
Showing 1 to 50 of 2826 entries
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