MINI-PROJ-PRELIM - v2.docx - Experimental Methods to...

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Experimental Methods to Evaluate Transducers Zeffrey Jon Aleta, Clarice Bangcoleng, and Maeve Eilinger Electronics Engineering Department Technological Institute of the Philippines Quezon City, Philippines [email protected] Abstract – Transducers is an electronic device that converts energy from one form to another. These devices can be seen almost everywhere; Speakers, microphones and many more. This documentation is the evaluation of five different types of transducers which are Light Emitting Diode (LED), Light Dependent Resistor (LDR), Potentiometer, Proximity Sensor, and Thermocouple (Peltier). Each devices have different ways to measure certain parameters and have different experimentations to get the data necessary to evaluate it. I. INTRODUCTION (Maeve or Clang discuss nyo yung transducer tapos yung mga type na ginamit natin tapos describe each paki link yung mga reference saka kung bakit natin ginagawa tong docu) II. PROBLEM STATEMENT Transducers are commonly used as a sensor or as an output display like for thermistor. Thermistor is a type of resistor and transducer whose resistance is dependent on temperature. How will an Engineer know if this is a Negative Temperature Coefficient (NTC) or Positive Temperature Coefficient (PTC); what is the value of the resistance at certain temperature. This is important in designing a system due to the reason of accuracy. This is not the only type of transducer where it needed an evaluation. There are a lot of it but this experiment only shows five types of transducers. III. OBJECTIVES The said problem statement will be addressed by fulfilling the following research objectives: 1.) Creating an experiment for each transducer. 2.) Get data to evaluate from the created experiments IV. METHODOLOGY This section shows the different methods or experiments done in each devices. Here the procedure done is explained. The students are limiting the number of transducers into five which are Light Emitting Diode (LED), Light Dependent Resistor (LDR), Potentiometer, Proximity Sensor, and Thermocouple (Peltier). These components have been conducted with different experiments each.
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