This educational activity uses two signal generators and an oscilloscope to visualize Lissajous curves. Students explore how two periodic signals, usually sinusoidal, interact when applied to the X and Y axes of the oscilloscope. By varying the frequency, amplitude, and phase shift, they observe how the resulting figure changes. The activity provides a visual understanding of the relationship between frequency and phase. It is an intuitive and engaging introduction to signal analysis.
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Workshop: Pulse Monitoring
“Pulse Monitoring” integrates theoretical and practical knowledge about heart rate analysis with a basic application in the biomedical field. ESO students will design circuits with pulse sensors to measure heart rate and blood flow, using simulation tools such as Tinkercad.
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Workshop: Measuring height with ultrasound
“Height Measurement with Ultrasound” integrates theoretical knowledge about measurement methods with a practical application using ultrasound sensors. Secondary school students will design circuits to calculate a patient's height, simulating real systems with tools such as Tinkercad or Arduino.
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Workshop: Construction of a digital thermometer
“Building a Digital Thermometer” integrates basic knowledge about temperature measurement with analog sensors such as the LM35 and programming with Arduino. ESO students will design circuits to measure temperature, simulating the operation of a thermometer with tools such as Tinkercad.
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Learning situation: Biomedical measurement systems
“Biomedical Measurement Systems” combines theoretical and practical knowledge of electronics with measurement materials and medical skills. This learning situation guides ESO students through different modules and small projects focused on the field of medicine. Students will design and assemble a series of circuits to control and measure different biomedical signals using both electronic components and simulators such as tinkercad.
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Digital circuits lessons at jutge.org
Online course with a guided introduction to the design and analysis of digital circuits for pre-university students, combining theory and practice with Jutge.org.
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Escape Room: Stop the hacker!
In a gamified interactive experience about telecommunications, participants must follow the trail of a hacker and save the UPC.
