Lesson 001 – Cool world
You need:
iTriangle MASTER online, waterproof thermometer, buzzer, 8x8 LED display, push button switch
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| Waterproof thermometer | buzzer |
8x8 LED display |
Push button switch |
Introduction:
Throughout history, it has always been important to understand how hot or cold the different things we come into contact with in our daily life are. Early on, people determined temperature by simply touching or coming into close contact with things. In this lesson, you can compare your ability to estimate temperature with real measurements from a waterproof thermometer.
Task:
Tutorial:
- Construct a simple stand with iTriangle online and connect the sensors and components as pictured below. Connect iTriangle online and upgrade its firmware by following these steps.
- Mix hot and cold water in a cup so that it is around 35–37 °C. Students can practice their own estimation of given temperatures.
- Start the program.
- After you press the push button switch connected to the MASTER, the thermometer will start measuring the temperature of the nearby surroundings. Depending on the temperature, the following can happen:
- If the measured temperature is between 35°C and 37°C, the LED display will show a happy face and the buzzer will play a melody.
- If the measured temperature is above 37°C, the LED display will show a sad face and the buzzer will produce a short, high-pitched beep.
- If the measured temperature is below 35°C, the LED display will show a neutral face and the buzzer will produce a short, low-pitched beep.
Extra mile:
Feel free to change the temperature limits in the program (see yellow circles) so that students can try to mix water for different temperatures.
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