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Fixed Price: Not Sure   |  Posted: 1h, 14m ago  |  Ends: 14d, 22h  |   0 Proposals
If you are a hardware engineer, this is the task for you. Use your creative skill to come up with a way to program or manage any vacuum pump to have some intelligence. The vacuum pump can be programmed to pulse, meaning you can program it to increase slowly, wait for a short period, then decrease slowly, wait for a short period and then increase slowly until it reaches the highest vacuum level. Step 1: Convert any aquarium(fish tank) pump, whisper pump or refrigerator pump into a "vacuum pump". You can search for any of these on ebay or amazon. It costs anywhere between $10 to $20 USD. If needed, I can provide instructions on how to modify these pumps into a "vacuum pump". It is best to create an "add-on" device that can work with any existing vacuum pump. This way, we don't need to spend huge amount of money to manufacture the vacuum pumps from scratch. Step 2: Use whatever suitable programming language to create the below User Interface to acce...
Category: Electrical       

m****inc
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| m****inc
|    United States
Fixed Price: Less than $500   |  Posted: 2h, 3m ago  |  Ends: 14d, 21h  |   1 Proposal
We need a custom built electrical switchbox. We have a computer control which will control this box with 12V DC signals. This box will have two inputs: AC power and four 12V DC signals coming through an RJ45 terminal. The outputs are four pairs of switched 120V AC terminals for controlling AC appliances. The appliances do not need to have AC sockets, as they will be wired directly by hand.
Category: Electrical       
Preferred Location: United States

j****r23
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| j****r23
|    United States
Fixed Price: Less than $500   |  Posted: 2h, 29m ago  |  Ends: 14d, 21h  |   0 Proposals
a complete project full documentation to the simplest details.all must be in english. project : automated greenhouse system that monitors and controls all the operational conditions of the greenhouse , temperature, humidity, irrigation , security , fertilization possibly more. job must be done with an arduino micro-controller and must communicate with operator and be monitored and controlled remotely...
Category: Product Design       
Skills: Research, Electronics, Microcontroller       

m****ode
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| m****ode
|    United States
Fixed Price: Not Sure   |  Posted: 3h, 5m ago  |  Ends: 14d, 20h  |   8 Proposals
I need help from a professional who really knows what they're doing with a product idea I have. I'm a successful entrepreneur, however I have no experience with the creation of physical products so I may need some hand holding and guidance here. I'm looking to create a prototype and a small initial batch of an electronic health/beauty product (think of something along the lines of a foot massager or an electronic face cleanser). I'm not sure if this is something that would be possible with 3D printing. It's a relatively simple product. I'm willing and able to pay for a professional with a demonstrated history of experience in product design. I'll also need guidance and help after design with the rest of the manufacturing process.
Category: Product Design       

M****eez
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| M****eez
|    United States
Fixed Price: $500 - $1,000   |  Posted: 3h, 36m ago  |  Ends: 14d, 20h  |   1 Proposal
I am looking for some one who can realize switched capacitor circuits and implement it in Matlab and in h-spice tool
Category: Electrical       

s****k17
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| s****k17
|    Canada
Fixed Price: Less than $500   |  Posted: 3h, 51m ago  |  Ends: 14d, 20h  |   0 Proposals
Investigation of ground based absorption heat pump for space heating and hot water production system Background Heat pumps can utilize low-grade energy sources, like waste heat from process industries and low temperature heat from ground for heating of building spaces and hot water production. It is believed that absorption heat pumps consume less energy than the conventional electric driven heat pumps and the student will investigate this based on ground source heat pump. this work involves more thermodynamic work and an Engineering Equation Solver (EES) software will be used. The projectwork include the following tasks: 1. Design mathematical models for compression and absorption heat pump cycles. 2. Investigate different possible working fluids, including, ammonia/water mixture. 3. Identify the influence of thermodynamics parameters for high performance of the
Category: Chemical Engineering       

R****761
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| R****761
|    Norway
Fixed Price: $1,000 - $1,500   |  Posted: 4h, 27m ago  |  Ends: 14d, 19h  |   2 Proposals
Existing 2 bdr 1 bath one story with walk out basement under the back half of structure. Need to add master suite on back over basement and convert structure to a 3 bdr, 2 1/2 bath home. Also will add a 1/2 bath in existing structure and change layout of kitchen. Need architect to draw and prepare plans for permit approval in fort worth. Project is waiting and needs to start immediately.
Category: Architecture       
Skills: Architectural Rendering       
Preferred Location: United States

b****300
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| b****300
|    United States
Fixed Price: Less than $500   |  Posted: 5h, 1m ago  |  Ends: 14d, 18h  |   9 Proposals
This is a technical drafting project for an architect. In New York City, in order to obtain permission to close sidewalks during construction, it's necessary to provide three simple drawings showing the sidewalk and street closings. I am building two buildings, so I need six drawings total. The drawings are all pretty similar. I've attached a pdf showing examples of what we need. The last three pages of the pdf show examples of drawings. I will provide plot plans and surveys that you can use to prepare these drawings. You may also have to refer to Google Maps. I need someone who is comfortable with AutoCAD and has a solid grasp of English to work with on this project. I need to finish this work within a couple of days.
Category: Architecture       
Skills: Architecture, AutoCAD       

f****000
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| f****000
|    United States
Fixed Price: Less than $500   |  Posted: 5h, 54m ago  |  Ends: 2d, 18h  |   7 Proposals
Please provide minimum wall thickness of 2.0"OD and 3.0" OD Stainless Steel 304H Seamless Tube for the following application. Tubing will transport 500C steam at 20.7MPa 2,000' total in vertical installation Each length of tube is 20' with gas-tight, threaded connections Please note: This is for planning purposes only in order estimate material costs for a project. We will do our own calculations prior to beginning the project. However, our engineering department is clogged up and I need an answer more quickly than they can get to it.
Category: Mechanical       
Preferred Location: North America

c****292
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| c****292
|    United States
Fixed Price: Not Sure   |  Posted: 6h, 17m ago  |  Ends: 2d, 17h  |   5 Proposals
its a landscape preliminary design for a public area next to a dam. see the files for cad drawings and actual picture of the site. our client like the desert style landscape (see pictures in the sample file). most of the material will be stone, gravel, compact walkways, local trees and palms. please send me a sample of your works a can see what is the final presentation will look like. you will submit a sketch of the design idea for my approval, then you can proceed with the rest of the work. cad file has the coordination in it in case you wanna lookup the site on google earth. good luck
Category: Other - Engineering &...       
Skills: Landscape Design, Architecture       

S****h_R
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| S****h_R
|    Saudi Arabia
Fixed Price: $500 - $1,000   |  Posted: 6h, 17m ago  |  Ends: 6d, 17h  |   4 Proposals
We are looking to support our trades contractors for the concrete reinforcing shop drawings on a project which has been awarded to our client. Are you able to provide us with an estimate for this work? If so, I can send you over a link to our Ftp site to review the plans and specifications. Regards, Hemant Kumar
Category: Civil & Structural       

d****ant
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| d****ant *
|    India
Fixed Price: $500 - $1,000   |  Posted: 7h, 18m ago  |  Ends: 14d, 16h  |   3 Proposals
smart video doorbell that lets you answer the door from your smartphone. features a video camera, exclusive motion sensor, microphone and a speaker that allows you to see, hear and speak to your visitor from an iOS or Android mobile device - anywhere in the world!   [obscured]   is an example I need a design that is ready for manufacturing
Category: 3D Modelling       

0****4pj
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| 0****4pj
|    United States
Fixed Price: $70 or less   |  Posted: 7h, 28m ago  |  Ends: 14d, 16h  |   2 Proposals
This requires the research of the theory of many Bragg gratings including the mathematical equations.
Category: Other - Engineering &...       

j****le1
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| j****le1
|    United Kingdom
Fixed Price: $20 - $100   |  Posted: 7h, 38m ago  |  Ends: 14d, 16h  |   11 Proposals
hello, i have a plan of a small apartment (40m2) and want someone who can: - design some sketches/layout of furniture so that i can get some ideas for a good way to lay out things. - as well as electricity/switches layout - kitchen, bathroom and space for 2 beds is needed. the site plan is attached and would require the source of the design you make as well as alterations to what you do if needed. note: this is a simple job, kind of a test. after this and if you do a great job we have one which include 3 villas with swimming pools etc.
Category: Architecture       
Skills: Architecture, AutoCAD, site plan       

f****ios
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| f****ios
Fixed Price: $20 - $25   |  Posted: 7h, 47m ago  |  Ends: 14d, 16h  |   1 Proposal
The CAT system should test the response of the following types of filtering circuits: Low-Pass and High-Pass. design low-pass and high-pass filters. along with a copy of the frequency response shown in p-spice. The Analysis routine should determine the following parameters: Maximum Gain and Frequency, Minimum Gain and Frequency, f1 or f2 values, bandwidth, and Filter Type (LP or HP). The data must have only one maximum point and if there is an f1 point or f2 point, there can be only one of each, not multiple f1 or multiple f2 points. The Analyze routine needs to include linear interpolation for finding the f1 and f2 points from the adjacent data values. need this in hour or two . this is a small project can be done within an hour google already has low and high pass .but not with two filters so lets see
Category: Electrical       

d****ace
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| d****ace
|    United States
Fixed Price: $50 - $200   |  Posted: 8h, 58m ago  |  Ends: 6d, 15h  |   0 Proposals
Requirements: 1. Input: ac supply 240V 50Hz (a) should be able to accomodate spikes 10% of voltage 2. Output: 2.2(min)-3.3(max) VDD (a) Max supply rise rates 0.1V/?s (b) Power characteristics {3.3 V,7mA} {2.2V*10mA} (c) designed for automatic cutoff/reset on max voltage and max amps. 3. Other requirements (a) compact circuit required (space is at premium, so no bulky components like transformers) (b) low heat generation and high efficiency output power (c) schematic in Kicad project or other editable with other opensource tools is preferred
Category: Product Design       

m****apu
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| m****apu
|    India
Fixed Price: Less than $500   |  Posted: 9h, 35m ago  |  Ends: 14d, 14h  |   0 Proposals
Required expert for radiation detector Time: 30 minutes Budget; 80 USD Opinion on Impact on industry ,Usage ,supplier ,market leader
Category: Chemical Engineering       
Skills: AutoCAD, Chemical Engineering, Electronics       

n****rch
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| n****rch
|    India
Fixed Price: Not Sure   |  Posted: 11h, 12m ago  |  Ends: 6d, 12h  |   37 Proposals
I need a simple 3D model created that can be exported as a technical drawing and also in the right format to print using a 3D printer. I have attached the rough sketch. Please ask any questions and note that any proposals without an amount will be ignored. Thanks, Ben
Category: 3D Modelling       
Skills: 3D       

b****har
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| b****har
|    United States
Fixed Price: Not Sure   |  Posted: 11h, 31m ago  |  Ends: 14d, 12h  |   17 Proposals
Ferroform - RFQ 3D Modelling Introduction: Our business is metal castings. We require 2D drawings to be drawn up quickly onto 3D CAD in order to get volume of the part for costing purposes. Your output is a 3d part file & a volume. Note: This model is not for production, time spent must be reduced to minimum, discretion to be used on what details to omit in order to save design billing time but still arrive at an accurate volume. Other services required: 1. Remove end users name from 2D drawings so we can send for other costings without exposing who our end customer is. 2. Redraw parts from supplied sketches to full production drawings. Review & cost below: Find attached 2 drawings and advise a cost. Your output is a 3d part file & a volume. Bear in mind time is of the essence, this is not for production, it is to assist in our costings. So time costly details to draw (fillets, radii etc) must be omitted at your discretion to save drawing time, but bearing in mind eve...
Category: 3D Modelling       

m****nn1
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| m****nn1
|    South Africa
Fixed Price: Not Sure   |  Posted: 11h, 41m ago  |  Ends: 14d, 12h  |   5 Proposals
I have a small architectural design services company based in Surrey, UK. We specialise in domestic scale extensions, loft conversions etc. I'm looking for someone who can produce engineering designs ideally within my autoCAD working drawings with supporting calculations for building control approval. We can coordinate hand drawn mark-ups into autoCAD if that's how you'd prefer to work, Must be able to provide a competitive quotation promptly as well as 1 or 2 week design turn around upon instruction. Must be local or willing to travel for site surveys when required. Must be able to provide proof of PI insurance, example work and CEng registration number, Look forward to hearing from you, many thanks,
Category: Civil & Structural       

M****vey
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| M****vey
|    United Kingdom
Fixed Price: Less than $500   |  Posted: 13h, 16m ago  |  Ends: 14d, 10h  |   10 Proposals
Basic circuit to convert the voltage output from an Arduino controlled MCP4725 DAC outputting a voltage from 0-5V DC to a signal voltage of -5V DC to +5V DC. Therefore 0V = -5V, 2.5V = 0V, +5V=+5V This is for motor control so a clean signal is required and possibly a 0V start up output but this is not essential.
Category: Electrical       

g****ton
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| g****ton
|    United Kingdom
Fixed Price: Not Sure   |  Posted: 16h, 45m ago  |  Ends: 14d, 7h  |   1 Proposal
I am searching for a compound that can dissolve PGA Suture quicky that will not irritate skin or be harmful to hair.
Category: Chemical Engineering       

E****283
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| E****283
|    United States
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