Components
The circuit will have the following components.
| Component | Function |
|---|---|
| Temperature and Humidity Sensor | Measures temperature and humidity. |
| PIR Motion Sensor | Detects motion. |
| Gas Sensor | Detects gas. |
| RGB LED | Lights up in multiple colors for use as an indicator. |
| Servo Motor | Moves the servo motor based on an input signal. |
| Relay | Switches an attached light on or off based on an input signal. |
| Pulse Sensor | Detects your heart/pulse rate. |
| Buzzer | Generates sound for use as an audio indicator. |
| Ultrasonic Distance Sensor | Measures how close an object is. |
| Sound Sensor | Measures the level of sound. |
| Ambient Light Sensor | Detects ambient light intensity. |
| 20x4 LCD with I2C Backpack | Displays text. |