Complex Sensors
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- Sensors can be analog or complex, with complex sensors communicating digitally using PWM, I2C, SPI, etc. - Common sensors discussed include tilt sensors, ultrasonic sensors for distance measurement, and accelerometers. - Ultrasonic sensors emit sound pulses and measure the time of return to determine distance to objects within a few meters. Accelerometers can measure tilt and movement but data can be noisy. - Prototyping with sensors helps explore interactions even if true presence or distance detection is difficult to achieve at this level.
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