Pico Sensors and Controllers Circuit
Components
Only connect components that have a operating (signal) voltage of 3.3V. Also make sure there is a microPython library for the component.
| Component | Function | Voltage | Pins |
|---|---|---|---|
| Temperature and Humidity Sensor (DHT11/22) | Measures temperature and humidity. | 3.3V | Digital Out |
| Infrared Sensor | Detects the presence of an object. | 3.3V | Digital Out |
| Ambient Light Sensor | Detects ambient light intensity. | 3.3V | Digital Out |
| Sound Sensor | Sound sensor. | 3.3V | Digital Out |
| I2C LCD 16x2 | Used to display data. | 5V | I2C |
| Relay | Controlled by binary signal from IoT app. | 3.3V | Digital In |
| LED Module | Used as a visual indicator. | 3.3V | Digital Out |
| I2C LCD 16x2 | Used to display data. | 5V | I2C |