Schéma
| DHT22 | ESP32 |
|---|---|
| + | 3.3V |
| Out | IO32 |
| - | GND |
| OLED I2C | ESP32 |
|---|---|
| VCC | 3.3V |
| GND | GND |
| SCL | SCL (IO22) |
| SDA | SDA (IO21) |
| MH-Z19C | ESP32 |
|---|---|
| VCC | 5V |
| GND | GND |
| TX | RX (IO16) |
| RX | TX (IO17) |
| DHT22 | ESP32 |
|---|---|
| + | 3.3V |
| Out | IO32 |
| - | GND |
| OLED I2C | ESP32 |
|---|---|
| VCC | 3.3V |
| GND | GND |
| SCL | SCL (IO22) |
| SDA | SDA (IO21) |
| MH-Z19C | ESP32 |
|---|---|
| VCC | 5V |
| GND | GND |
| TX | RX (IO16) |
| RX | TX (IO17) |
