Creating a Virtual Touch Screen Using MEMS and Flex Sensors: A Survey
Journal Title: International Journal of Engineering Sciences & Research Technology - Year 30, Vol 3, Issue 11
Abstract
The objective of this project is to create an interactive virtual touch screen. The technologies used here are microelectromechanical- systems (MEMS), Flex sensors, Zigbee network protocol. MEM is the technology of very small devices which merges at the Nano-scale into Nano electromechanical systems (NEMS) and nanotechnology. An accelerometer is used to measure the movement of the hand. Accelerometer is an instrument for measuring acceleration, detecting and measuring vibrations, or for measuring acceleration due to gravity (inclination). They can also be used to measure seismic activity, inclination, machine vibration, dynamic distance and speed with or without the influence of gravity. This is controlled by means of microcontroller. The device is placed in our hands, so that by moving our hand we can control the mouse pointer and clicking options also. This movement control is given to the device or the system in which the applications are to be used. This is done in wireless by means of Zigbee protocol. This protocol device provides various features as the communication distance for Indoor/Urban: up to 133’ (40 m), at Outdoor line-of-sight: up to 400’ (120 m). This has Transmit Power of 2 mW (+3 dB) and its Receiver Sensitivity is about -95 dBm RF and the transmitting and receiving Data Rate is 250,000 bps
Authors and Affiliations
Nivas. R*
Keywords
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