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Introduction to LUFAUniversal Serial Bus (USB) is now a common and vast framework for serial communication. The interface not only allows serial communication, it also works as electronic power supply. The popular AVR microcontrollers fortunately have the USB interface feature and can be programmed to build USB devices. The USB specification is long and intimidating. It can be a daunting task to write a device specific USB driver.

Understanding NeuroSky EEG Chip in DetailNow that we know the basics of Brainwaves and the sensor on which we are working, it’s time to learn about the brain of this brain wave sensor. The main part of any device is its processing part and in the case of Mindflex Sensor, it’s the NeuroSky EEG Chip.

Let’s move on to the details so as to know what the chip contains and how does it work.

SD300 LOM 3D Printer from Cubic TechnologiesSheet lamination is one of the seven recognized 3D Printing methods. The process uses sheets of building material which are cut through laser or knife and the sheets are joined one after the other either by using an adhesive or by wielding the laser cut sheets together to form the 3D object. The process is also called ultrasonic additive manufacturing (UAM) in case the building material used is metal sheets.

The apparatus for UAM variation of the sheet lamination process has a cylindrical sonotrode to which the material sheet is coiled. The sonotrode is rotated to feed the material sheet onto a building platform.