The aim of this project is to implement the robot direction control with MEMs through zig-bee communication and display the image of the robot instantaneously.
In this project we are controlling the direction of the robot by MEM’s accelerometer. This accelerometer is placed at the human hand senses the movement of our hand either it is left or right or up or down or these signals should send to the robot through zig-bee communication. Zig-bee transceivers are placed at the input section and the output section i.e., at our hand and at the robot. The microcontroller communicates with the transceiver placed at our hand and send signals to the corresponding transceiver placed at the robot. In this way we are controlling the robot direction.
The image of the robot is displayed in the PC.For that a wireless webcam is attached to the robot. Whenever’s the direction of the robot is changing the image is captured in webcam and it is displayed in pc .
Micro-electromechanical systems (MEMS) are free scale’s enabling technology for acceleration and pressure sensors. MEMS based sensor products provide an interface that can sense, process or control the surrounding environment. MEMS-based sensors are a class of devices that builds very small electrical and mechanical components on a single chip. MEMS-based sensors are a crucial component in automotive electronics, medical equipment, hard disk drives, computer peripherals, wireless devices and smart portable electronics such as cell phones and PDAs.
MEMS technology provides the following advantages: cost-efficiency, low power, miniaturization, high performance, and integration. Functionality can be integrated on the same silicon or in the same package, which reduces the component count. This contributes to overall cost savings.
Zigbee is new wireless technology guided by IEEE 802.15.4 Personal Area Network standard. It is primarily designed for the wide range controlling applications and to replace the existing non-standard technologies. It currently operates in 868 MHz band at a data rate of 20Kbps in Europe, 914MHz band at 40kbps in USA, and the 2.4GHz ISM bands Worldwide at a maximum data-rate of 250kbps. It is used to verify whether user’s truncation is possible or not. One of the main advantages of this ZIGBEE communication is that it provides a noise free communication, the amount of noise added in this type of communication is very Pless compared to the other wireless communications.
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