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UV LED PCB Exposure System This project shows the creation of a large array of UV LEDs. They are used to expose a presensititised blank circuit board. Another common method is to use UV tubes. Alfredo has translated it to English as well as he could (English is not his first language). This is great since for some reason the good old Google translator could not do much with it. Thanks Alfredo!

Arduino Microcontroller Feature Comparison - GoRobotics Arduino is fast becoming one of the most popular microcontrollers used in robotics.There are many different types of Arduino microcontrollers which differ not only in design and features, but also in size and processing capabilities. In this article, you’ll understand the differences between the Arduino Microcontrollers (as of 2012). There are many features that are common to all Arduino boards, making them very versatile. All Arduino boards are based around the ATMEGA AVR series microcontrollers from ATMEL which feature both analog and digital pins. Arduino also created software which is compatible with all Arduino microcontrollers. The software, also called “Arduino”, can be used to program any of the Arduino microcontrollers by selecting them from a drop-down menu. There are many additional manufacturers who use the open-source schematics provided by Arduino to make their own boards (either identical to the original, or with variations to add to the functionality). Arduino Fio

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