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| Proximity by the very name, suggests that an object is detected or not detected or decides how close the collision object is near the transmitter. This is done with Infra Red detection by using the principle of detecting the bounced light. The other method is by using Ultrasonic ranging. This works on the principle of detecting the reflected sound signals. However the built in controller must decide what action to take place, if detected. For this purpose, two distinct interface modules are designed. Using these interfaces, the student experiments how these devices function and logs the reflected signal on to a controller. The software and the hardware together form an embedded system. The applications of these depend on the ingenuity of the student. However the interface modules provide a means to understand these underlying principles of interfacing. The experimental modules by themselves do not offer any object-oriented actions. |
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