3. Automaticcar This project consisted in the development of an automatic system for an old car. This system has sensors controlled by microcontrollers. These connect to actuators. Raining Sensors were developed in order to detect water in the windshield. Temperature sensors were used. Light Sensors were placed in order to detect light and dark. Rfid tags were placed in some strategically locations in the car. The sensors were connected to atmega. This processed the information and give orders to actuators. Actuators included door openers, headlamps, start stop button, and wipers. When light sensor detected dark the headlamps would turn on automatically. Also the wipers turn on whenever started raining. And mainly the car opened when the rfid tag was activated removing the need for car keys.
4. Perceptual feedback This project was about perceptual feedback to human. In this perspective, it was developed a system that links a robotic prosthesis hand to a user. The information necessary should be about touch, the force applied, slip, the posture of the finger, etc. The project was divided in two different parts. The first part was developed a sensory system. The acquisition is based in force sensing resistors connected to microcontrollers. These sensors are spread in key locations around the hand. The second part is about transferring this information to the human body non-invasive. To this can be used electrical or mechanical impulses. The mechanical is based in tactors, or vibrating motors, in specific places, these motors vibrate when there is a state change in the sensor. The second stimulation system is electrical and it is used to identify objects. For example, when some sensors are activated a object is identified and so the system stimulates the nerves.
