Microcontroller Circuit Design Circuit Diagram xiv This thesis presents design and implementation of the vehicle speed sensor using MAW sensor in a vehicle, circuits for signal processing and speed governor control unit. A microcontroller based algorithm for the speed governor based on PWM duty cycle was also developed and experiments conducted through simulation and actual experiments.
The co nstructed model of the microcontroller based automobile speed limi ting device a nd a larm control system is presented in Figure 9. Figure 9 shows the various external features of the
PDF Development of a microcontroller based automobile speed limiting device ... Circuit Diagram
the calculated speed is compared with the limit ed speed. When the calcu lated speed is greater than limited speed, it alarms on, LED 3 blinks and LCD displays the vehicle' s spee d. The STM32 is a powerful 32-bit Cortex-M microcontroller that is extremely common in embedded applications. In fact, it's one of my favorite microcontrollers, especially for non-wireless commercial product applications. They come in a wide variety of flavors from simple versions with only a few pins all the way up to advanced high-performance versions capable of complex tasks like machine Speed = Distance between Two IR sensors / Time taken by the object to travel between two IR sensors. For example, if the distance between the two IR sensors is 1 meter and the object takes 0.5 seconds to travel between them, then the speed would be. Speed = 1 meter / 0.4 seconds => 2.5 m/s. Arduino Code for Speed Sensor
Enokela and Agbo [27] developed a microcontroller based car speed controller for automatic control of vehicle's speed within limit stipulated for a particular zone by a regulating
Vehicle Speed Limiter Project Circuit Diagram
microcontroller processes this frame and imposes the speed limit on automobile. In order to implement this design in full fledge a separate microcontroller is very essential to handle the tasks like displaying maximum (MAX) speed allowed and other necessary information on Liquid Crystal Display (LCD), show the simulation results for the case where the car speed is less than the set speed limit and another where the car speed is greater than the set speed limit, respectively. Table 1 shows the three possible conditions of the set speed switches and the outputs of the microcontroller. Upon successful completion of the software simulation,
