Hardware·3 / 4
Sensors and actuators
~5 min read
Sensors turn the physical world into data. Actuators turn data back into the physical world.
| Sensor | Measures |
|---|---|
| DHT22 | Temperature & humidity |
| BMP280 | Atmospheric pressure |
| PIR | Motion |
| MQ-2 | Smoke / gas |
| GPS module | Location |