: The sensing element interacts with the environment (e.g., a thermistor changing resistance as it heats up).
: The internal circuitry translates this change into a readable signal. sensor
: The data is sent to a controller (like an Arduino or Raspberry Pi) via an analog voltage or digital protocol. 📡 Common Types of Sensors 1. Motion and Proximity : The sensing element interacts with the environment (e
: Detects motion by measuring changes in infrared radiation. Ideal for security lights or alarms. sensor