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Fixed Price: $120 or less   |  Posted: 15h, 54m ago  |  Ends: 6d, 8h  |   2 Proposals
I need a program for an Arduino board so that it can generate 2 types of PWM. 1. Space Vector PWM - SVPWM 2. Hysteresis band current control PWM The user must be able to select the type of PWM that he wants and the frequency (1-200 Hz). The frequency will not be changed with a potensiometer because of the noise but from the serial monitor. The system is intented to work with a SINGLE-phase inverter. The Arduino board that will be selected will be arduino uno. The final deliverable should be the arduino code files with extensive comment documentation.
Category: Electrical       

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| n****pas
|    Greece
Fixed Price: Less than $500   |  Posted: May 14, 2015  |  Ends: 7d, 1h  |   11 Proposals
Http POST Requests XML Parsing Buttons that send Http Post Requests Linear Slider Job Description: I need an iOS app made that needs to do the following. 1. XML Parsing a. App will send a Http POST request multiple times a second that will return XML information from an IP address that will be defined by the user. b. XML will be parsed and passed into a small list of variables. 2. Pressing buttons and a slider will send out HTTP post commands with the User Defined IP address inserted into that URL. 3. Linear Slider that will yield values from 0-255. When the slider reaches 255, the direction will invert and that position now becomes 0 4. User will define the IP address of the destination. I need the app below rewitten in xCode. I wrote this program in Stencyl and need it translated into native xCode.   [obscured]  /app/id978932322
Category: Mobile Applications       

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| t****oup
|    United States
Fixed Price: $100 - $250   |  Posted: May 14, 2015  |  Ends: 6d, 16h  |   9 Proposals
I want to build a 2-bedroom cottage in a remote area where sun is aplenty (Siem Reap region in Cambodia), but where I cannot count on a reliable utility company. Therefore, I need to put together a self-sustainable source of electricity (110V-50Hz) for the lighting, fridge and some electronic devices (TV, radio, computer, etc.). I estimate my needs to require at least a battery storage capacity of 3KW battery storage (looking at the newly-announced Tesla Powerwall, but a bank of gel deep cycle (200Ah) batteries could also do the job. I did some research and found most of the major components I need (PV panels, MPPT charger, batteries, Inverter). I am looking for someone qualified to: 1) Validate my components for compatibility and balance. 2) Provide a more complete BOM, including jump cables, wiring, junction boxes, switches, remote control panel, etc. 3) Draw a detailed diagram of how the various components are attached to one another, with proper minimum distance between them if...
Category: Electrical       

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| V****run
|    Canada
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