For Arduino controllers can be connected many sensors and modules. They are used in a wide variety of circuits and automation projects.
This application presents digital and analog sensors for Arduino, their description, use, connection and code examples.
The application contains reference information on analog and digital sensors and modules:

- Ambient light sensors
- Measuring distance
- Vibration sensors
- Temperature and humidity sensors
- Rotary encoders
- Sound modules
- Displacement sensors
- Infrared Sensors
- Magnetic field sensors
- Touch sensors
- Tracking sensors
- Flame detectors
- Heartbeat sensors
- LED modules
- Buttons and joysticks
- Relays