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This video describes the basic theory and programming logic behind the interface of a DC servomotor.
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Basic theory behind DC motor direction control and speed control with PWM technique.
DC motors are really cheap and can be found very easily. In this post we will discuss the basic theory behind the DC motor drive system and its speed contr
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Here is a cool application that will help you organise and target your research with ease... if you deal with a lot of PDFs or ideas, you'll love Qiqqa.

Qiqqa is a software designed for Student, undergrads, postgrads, or other researchers to Tag, Annotate, and organise your journal papers and other PDF documents. It also has a very cool web search that is targeted at all major research directories in the internet..!! 

Register now and get free access to the cloud storage for all your documents. Share to let others know about this!!

http://goo.gl/F1fNNs
Qiqqa is a software tool designed for academics. Student, undergrads, postgrads, or other researchers... if you deal with a lot of PDFs or ideas, you'll love Qiqqa.
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Wietze Lindeboom's profile photo
 
Hello,
I have seen your artical of the SD card init errors maybe this helps ......
I had problems with my arduino and ethershield with SD, when i put on the external power supply on, the SD card don't initialize most of the times, only on USB connect as power it works fine. Now have change the program, first initialize the ethernet and than the sd. For me the problem as solved.
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Proficiency in C is an essential skill set for embedded software developers. Here are some really cool C programming tricks that you should have already known.

Visit: http://embedjournal.com/2013/08/cool-c-programming-tricks-for-embedded-software-developers/
Proficiency in C is an essential skill set for embedded software developers. In this post we will see some really cool C programming tricks that you should
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Migrating to HI-TECH C compiler for PIC MCU is not really hard task. The developers have taken much care in keeping it that way. In addition to the existing features of the C18 compiler, there are a lot of other added features in the HI-TECH C compiler. This post will give you and introduction to the compiler, its features and how to write C programs in it. http://embedjournal.com/2013/08/migrating-to-hi-tech-c-compiler-from-the-microchip-c18-compiler/
Migrating to HI-TECH C compiler for PIC MCU is not really hard task. The developers have taken much care in keeping it that way. In addition to the existing
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It has always been like Arduino says, “Let there be light” and we always had a working servo motor. Now it’s time for us to write our own code instead of using some libraries!

http://embedjournal.com/2014/05/servo-motor-interface-looking-behind-arduino-servo-library/
Have you ever looked into the Arduino's source files? Well you should be!! I have been hanging around there for quite some time now. The Arduino’s Servo cl
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Here is a robust serial library with 64 byte circular buffer for PIC Microcontrolers that will mimic the Arduino serial library. All functions, return types and parameters are made to look like the Arduino programming language.
In my last post describing the implementation of a circular buffer I mentioned that I was working on a serial UART library for PIC 18. Well it is now compl
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Do you know what a circular buffer is? Yea.. we all had Computer Networks right? Here is a plain English explanation on how you can implement a circular buffer in C.
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Let's welcome a new player in the market! Check out this cool product from CarIQ that can plug into the OBD (On Board Diagnostics) port of your car and give you all sorts of information (and a lot more than that) about the car in your smart phone!
http://mycariq.com/product
CarIQ is the new connected car ecosystem where car owners are empowered with data to demand the highest attention and services. CarIQ platform connects cars to their owners, and to the various service providers such as auto manufacturers, OEM, car insurance providers, auto dealership, auto workshop, roadside assistance providers, breakdown service provider, government agencies etc. CarIQ can help infrastructure providers and city planners to tak...
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PIC Timer Calculator : giveAway#1

The tool has options for timer parameters such as the oscillator frequency, mode, prescaler and postscaler, just graphically give it all the configurations and you will have the timer 0 preload values at your disposal.

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http://embedjournal.com/2013/09/pic-timer-calculator-give-away-1/
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The interrupt on change is a cool feature on microcontrollers. Like you guessed, the interrupt occurs when there is a state change in any of the port pin associated with this feature. In PIC microcontrollers, PORT B is has the Interrupt on Change feature. The controller jumps into the interrupt vector when there is a change in the state of any of the pins in the port. - Read more at: http://embedjournal.com/2013/08/interrupt-on-change-ioc-in-pic-microcontrollers/
The interrupt on change is a cool feature on microcontrollers. Like you guessed, the interrupt occurs when there is a state change in any of the port pin a
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Embed Journal is a tech blog maintained by electronics enthusiast and hobbits.
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Embed Journal, is a blog maintained by a set of like minded youngsters to share their experience. We share source codes and how-to solutions for embedded electronics. 
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