Save this Search
     
Sort by:
  • Posted Date
Fixed Price: Not Sure   |  Posted: 16 minutes ago  |  Ends: 14d, 23h  |   0 Proposals
Hello, I need to get data from compressor machines via Internet. The compressors are from KAESER manufacturer and use Sigma control and sigma control 2. The objective is to connect a device via profibus to the controller. The device will get the data from compressor and send it periodically to a webserver or Database. We need an expert in Profibus/profinet technologies that can give us advice on how get the data from controllers via remotely. Also,If you already have a solution/hardware that do what we need, we will be interested in buy it and import it to Mexico. Thanks.
Category: Electrical       
Skills: Kaeser, profibus, profinet, sigma controller       

l****net
 [?]
Sign in to view client's details.
| l****net
|    Mexico
Hourly Rate: $15 - $50 / hr   |  Duration: 1-2 weeks  |  Posted: 8h, 41m ago  |  Ends: 14d, 15h  |   0 Proposals
This project is specifically for the optimization of a Serit SP2636 Tuner using the ST Chip sets STV6110A and STV0903. We have the circuits working but do not perform as good as another similar system that we built. The Serit SP2636 is equivalent to the Sharp F7HZ0169 tuner can. The will require an advanced knowledge of DVBS2 circuit design including external hardware and the ability to optimize the software until the performance of this Tuner PCB matches our previous design. Experience in this area is a must.
Category: Electrical       

r****gul
 [?]
Sign in to view client's details.
| r****gul
|    United States
Fixed Price: Less than $500   |  Posted: 14h, 36m ago  |  Ends: 29d, 9h  |   5 Proposals
We are looking to hire a firmware developer to assist us on a project to read data from a CCD array using a ARM Cortex M3 microcontroller. We already have a working prototype from other freelance developers/open source designs and for this fixed price project we just want someone who show competence in understanding the project and help us migrate the firmware from one demo board to another. This job post is just to identify right freelancers and test their skills before we start working on a hourly basis. Experience in hardware oriented / embedded firmware development - Excellent Programming Skills in C language. Some experience with GUI using java, python etc desired too. - Should have working experience with Atmel/Freescale/STMicro development tools - A major plus if you have previous work experience with CCD - previous experience on low cost demo boards from NXP and TI - Knowledge of ARM Cortex Controllers & Digital Hardware Circuits is desirable - Should have excellent de...
Category: Electrical       

j****t87
 [?]
Sign in to view client's details.
| j****t87
|    United States
Fixed Price: $1,000 - $5,000   |  Posted: 15h, 55m ago  |  Ends: 14d, 8h  |   4 Proposals
The task is simple, recreate the teensy 3.1 with the same number of pins and specs, just make it as thin as possible using thinner pcb, chips on the back, etc. Bidders must provide evidence that they have experience designing and producing electrical chips. We need someone that can take this project through to a working prototype. If after thorough testing we agree that it performs to our satisfaction, we will look to produce the chips in some quantity but what you should bid for is just for building us a prototype.
Category: Electrical       

h****eye
 [?]
Sign in to view client's details.
| h****eye
|    Canada
Hourly Rate: Not Sure   |  Duration: Not Sure  |  Posted: 17h, 2m ago  |  Ends: 14d, 6h  |   0 Proposals
DEAR ALL , We are Competing for a Project which does comprise of the GIS DATA BASE work , Upgrade of the License etc . The Project is intended for the Successful Integration of the GIS to the DMS ( Distribtion Mangement System ) of LV Network . The DMS System is from OSII ( OPEN System International ) SPECTRA . We are looking for the expert to supervise the Whole Team for the Data Collection Entry and Responsible for the successfully Integration . Engineer must have the strong Knowledge and Back Ground in DMS and Integration with GIS including the Software . OSII SPECTRA Knowledge is must . Thanks & Regards M IQBAL
Category: Electrical       

m****ziz
 [?]
Sign in to view client's details.
| m****ziz
|    United Arab Emirates
Fixed Price: $30 - $40   |  Posted: 17h, 18m ago  |  Ends: 14d, 6h  |   10 Proposals
Hello, I have a manual machine where you need to rotate a leaver for it to turn and i need to convert it to a motor driven machine. But i have no idea of what type of motor to use in terms of rpm and power. Will provide more details if you can help this is a very easy job and basically what i need form you is to explain to me what type of motor is suited for my need and help me source is online. note: motor must be resistant to water splashes thak jo
Category: Mechanical       

f****ios
 [?]
Sign in to view client's details.
| f****ios
Fixed Price: $500 - $1,000   |  Posted: 20h, 43m ago  |  Ends: 14d, 3h  |   3 Proposals
ITALIANO: Ricerchiamo un ingegnere elettronico con esperienza nella programmazione FPGA e generica e nel campo di crittografia, per collaborare allo sviluppo di un miner per l'algoritmo script (litecoin, dogecoin). preferibilmente italiano ma non necessariamente. Il progetto prevede la realizzazione di un miner con un potenza congrua alle difficoltà di mining attuali, pensavamo ad un 400MHs/s o superiore: possiamo fornire: - esperienza decennale nella realizzazioni di master e pcb anche multuilayer e disponiamo di software avanzato per il disegno elettronico -abbiamo accesso illimitato e gratutito ad un infinità di componenti elettronici -realizzazione dei PCB e prototipi rapidissima e presso un nostro terzista di fiducia a basso costo -possibilità di reperire facilmente E RAPIDAMENTE I COMPONENTI NECESSARI RICHIEDIAMO UNA PERSONA SERIA E CON ESPERIENZA ED APPASSIONATA NEL CAMPO DELLE CRYPTOVALUTE, PER LO SVILUPPO DELLO SCHEMA ELETTRICO E PER L'EVENTUALE PROGRAMMAZIONE. DISPONIBI...
Category: Electrical       

p****964
 [?]
Sign in to view client's details.
| p****964
|    Italy
Hourly Rate: Not Sure   |  Duration: Not Sure  |  Posted: Jul 03, 2015  |  Ends: 13d, 17h  |   8 Proposals
We have an ongoing requirement for the services of a control systems engineer who can assist with the creation of front end hardware design for the purposes of quotation.
Category: Electrical       

K****lia
 [?]
Sign in to view client's details.
| K****lia
|    Australia
Fixed Price: $50 - $100   |  Posted: Jul 03, 2015  |  Ends: 13d, 15h  |   4 Proposals
I need someone to help me in designing a usb wrist cable for charging cell phones that can be worn as a bracelet.
Category: Electrical       

N****007
 [?]
Sign in to view client's details.
| N****007
|    Saudi Arabia
Fixed Price: Not Sure   |  Posted: Jul 03, 2015  |  Ends: 13d, 11h  |   14 Proposals
I need to build a control device for something I'm building. I need to control a stepper motor to feed a wire, and then I need a 1-3 second delay, and then move a separate servo motor, to control a lever. I will build all the other components, I just need someone to provide me with all the electronic components (Arduino, Button, small readout Screen, 1 Stepper, 1 servo motor etc...). Here is what I would ideally like: 1. 2 button control (with a display) - 1st button will start the action (GO) - 2nd button will control count (So I would like to repeat the Go function 1 - 9 times) 2. So when the User presses the GO button, the Stepper motor will feed Slowly lets 360 Deg (I will need to able to change this in the code, because I need to specify the length and speed of the feed, which I need to measure after installation) - This motor dosn't have to be strong at all, I'm just feeding a small wire with this. 3 Once the stepper finishes its move I would like 1-3 second delay...
Category: Electrical       

d****hbt
 [?]
Sign in to view client's details.
| d****hbt
|    United States
Hourly Rate: Not Sure   |  Duration: Not Sure  |  Posted: Jul 03, 2015  |  Ends: 13d, 8h  |   7 Proposals
We have a small sensor to be protected inside a cylindrical housing and that will be periodically deployed. The sensor is a small laser scanner and the entire cylindrical housing can rotate which will allow the sensor to do a 3D map of its surroundings. Your task is to design the deployment mechanism for the sensor and which will have two actions. 1. the translation of some kind of hatch or cover, and 2. the deployment of the sensor itself The whole mechanism is to be powered hydraulically probably, but not necessarily, using a bi-directional hydraulic cylinder. Your task will be to design the mechanism producing a virtual 3D model of its operation using Autodesk Inventor. On acceptance of the job we will send the CAD drawings of the space available, the housing cylinder and the sensor as well as more detailed specifications.
Category: Mechanical       

J****sNT
 [?]
Sign in to view client's details.
| J****sNT
|    Vietnam
Fixed Price: $1,000 - $5,000   |  Posted: Jul 03, 2015  |  Ends: 24d, 7h  |   7 Proposals
Static Voltage Stabilizer To design and build prototype of fully solid-state static voltage stabilizer using IGBT/ MOSFET in PWM AC Chopper/Inverter topology with Buck Boost Transformer with any suitable DSP IC # Deliverables WORKER MUST PROVIDE : 1. Complete and detailed Schematic Diagram of the product. 2. Complete artwork of the PCB including laser print out of the tracks and pads, laser print out of component layout (silk screen), laser print out of soldering masking (Green masking). 3. Complete component list and location of the components on PCB. 4. Explanation of the working theory. 5. Assembling and testing methods. 6. Fault finding / trouble shooting. 7. Full winding details of the transformer 8. Wiring details 9. source code and hex code. 10. detail schematic in pdf, simulated schematics in proteus v.7.6 detail PCB in pdf format (single sided) complete source code in c_language with hex file. 11. Three assembled and tested cards suita...
Category: Electrical       

i****ani
 [?]
Sign in to view client's details.
| i****ani
|    India
Fixed Price: Not Sure   |  Posted: Jul 03, 2015  |  Ends: 13d, 3h  |   6 Proposals
Hi I am doing some work on the subject above using vibration analysis. So if you are good at MatLab and signal processing we can start from there. Regards
Category: Mechanical       
Skills: Mechanical Engineering, Mechanical Eng       

A****ari
 [?]
Sign in to view client's details.
| A****ari
|    United Kingdom
Fixed Price: Not Sure   |  Posted: Jul 03, 2015  |  Ends: 12d, 23h  |   5 Proposals
Looking for a self-motivated plumbing designer with experience in: Commercial and residential projects 2006 International Plumbing Code REVIT MEP and/or AutoCAD MEP Familiar with the design process and can coordinate with all trades Able to generate a complete set of plumbing construction design documents from start to finish
Category: Mechanical       

p****uff
 [?]
Sign in to view client's details.
| p****uff
|    United States
Hourly Rate: Not Sure   |  Duration: Not Sure  |  Posted: Jul 03, 2015  |  Ends: 21h, 34m  |   8 Proposals
The goal of this project will be to update a design of a PCBA for a 2500 mAh LiPo single battery power bank. PCBA specifications: Hi, we have not found a part number of the main IC. We are now choosing a provider to update this design to a new IC. We'd like the resulting design: - to reuse as much as possible from the existing design - to fully comply with this list of requirements: 1. Input: DC5V 1A, so that battery charges at 1Amp rate 2. Outputs: two independent outputs, DC5V 1A. Connection of an external device to one output automatically blocks the other output. 3. Built-in protections for input and outputs: 3.1. overvoltage 3.2. overcurrent 3.3. short circuit 4. Built-in protections for battery: 4.1. Overcharge 4.2. Overdischarge 4.3. Overcurrent 4.4. Overheating 5. Battery charging/discharging: standard 3.7V LiPo battery charging cycle, 2500 mAh battery (we will provide the samples) 6. Simple shake sensor: activates LED indication. Example:   [obscured]  /Electron...
Category: Electrical       
Preferred Location: North America, Western Europe, Eastern Europe, Eastern Asia

a****kov
 [?]
Sign in to view client's details.
| a****kov
|    United States
Fixed Price: Not Sure   |  Posted: Jul 02, 2015  |  Ends: 12d, 12h  |   9 Proposals
1) RFID based locking solution (Mandatory) ? Making an RFID based lock. ? Integrating the RFID based lock with the Raspberry Pi/Black Beagle. ? The Raspberry Pi should contain the database of RFID tags, which can be updated via an online server (Azure Web can be used to create the web interface), and we should be able to add the RFID tags directly using the web server. ? We must be able to get the logging data (check in time, checkout time, RFID tag no.) on either a note or excel sheet. ? Remember, only one user should be able to use the locker at any given point of time. Reference to how it may look like:   [obscured]  /watch?v=4lra1Y2RsWM 2) Temperature control ? Will be using a simple exhaust fan connected to a relay. ? Measure the temperature using a temperature sensor. ? The raspberry pi should signal the relay to turn on the fan when temperature inside the locker goes above 77 degrees Fahrenheit. 3) Capturing videos and streaming our Internet. ? We need to capture ima...
Category: Electrical       

j****ota
 [?]
Sign in to view client's details.
| j****ota
|    United States
Fixed Price: $1,000 - $5,000   |  Posted: Jul 02, 2015  |  Ends: 4d, 9h  |   7 Proposals
We are looking for a talented FPGA programmer to help us implement a low noise (<10nV/(rootHz)) lock-in amplifier for heterodyne detection of sideband signals. Carrier frequencies range from 0.3 to 1.5MHz. The lock-in amplifier must have the ability to generate signals at specified frequencies and demodulate signals at the sum or difference of two frequencies (FM/heterodyne detection). Your job will be to develop a working prototype that does the following: 1) Takes in signals via a high speed, 16bit ADC 2) Generates a sine wave with programmable amplitude (ranging from 0 to 5V) and frequency, f2 = (1 to 1000Hz) 3) Demodulates the signals at two frequencies f1+f2, f1+2f2. f1 is determined from the DAC input. f2 is the frequency generated in step #2. 4) Outputs the RMS amplitude of the two demodulated signals via a low noise, 16bit DAC. We have an ADC and FPGA eval board already chosen, part #'s AD9268 and HSC-ADC-EVALCZ from Analog. You will need to help us choose the DAC and fi...
Category: Electrical       

N****lIR
 [?]
Sign in to view client's details.
| N****lIR
|    United States
Fixed Price: $220 - $350   |  Posted: Jul 02, 2015  |  Ends: 12d, 4h  |   6 Proposals
- Two 7.5 tons of Rooftop HVAC Units mounted either side - AHRI Standard 340/360; ASHRAE 90.1; packaged unit; Economizer and it's control; - Roof is of Metal, hence subsequent supporting structure needs to be designed. - Adjustable Pitch curb will be preferred as roof is sliding. Please find the attached dwg file for reference and to be worked upon. Project to be completed on or before 7th July 15.
Category: Mechanical       

k****gar
 [?]
Sign in to view client's details.
| k****gar
|    United States
Hourly Rate: Not Sure   |  Duration: Not Sure  |  Posted: Jul 02, 2015  |  Ends: 12d, 3h  |   24 Proposals
I have a 35sqm shop ,we have made the electrical plans of the shop "ceiling ,floor ,etc...) All i need to make is the single line cad with its loads. We will supply you by all our drawings and we can have a quick phone conversation. It is a small easy homework .But we will have much work in the future as we are an interior design company . And we always need the electrical part
Category: Electrical       
Skills: AutoCAD, Electrical Engineering, Electronics       

m****udo
 [?]
Sign in to view client's details.
| m****udo
|    Egypt
Fixed Price: $100 - $200   |  Posted: Jul 02, 2015  |  Ends: 11d, 22h  |   4 Proposals
I am looking to start a small Linear Electric Actuator factory in Bay Area(San Francisco). I need a consultant to guide me through the process of setting up factory with proper machines, getting permit/license, etc. People with Mechanical Engineering background or who worked in a Linear Actuator factory will be good. Here are the details that I need from the qualified candidate to start with 1. 3 Linear actuators that has better demand. 2. Machines to buy and their cost and how many units can they make in a month. 3. Number of persons to hire and their skill sets and their responsibilities. etc.
Category: Mechanical       

s****nbu
 [?]
Sign in to view client's details.
| s****nbu
|    United States
Hourly Rate: Not Sure   |  Duration: Not Sure  |  Posted: Jul 01, 2015  |  Ends: 11d, 13h  |   19 Proposals
We would like to get feedback and review on the mechanical design of a sensor for usability, assembly and manufacturability. We also want to do some FEA analysis of the design.
Category: Mechanical       

a****heb
 [?]
Sign in to view client's details.
| a****heb
|    United States
Hourly Rate: Not Sure   |  Duration: Not Sure  |  Posted: Jun 30, 2015  |  Ends: 10d, 15h  |   7 Proposals
hi. im looking for engineer to do the electrical work for my prototype. Currently working with model designer to do the molding. Would you be inerested?
Category: Electrical       

g****art
 [?]
Sign in to view client's details.
| g****art
|    United States
Symbol Key
Payment method not yet verified
Payment verified
Purchased $1-$500
Purchased $500-$5,000
Purchased more than $5,000
You have already submitted a
proposal to this job