BoardPilotENS160 + AHT21 air quality combo con ESP32
Alimentazione 3.3-5 V
Bus I2C
Indirizzo I2C
0x53 / 0x52 / 0x38
Misura qualità dell’aria, TVOC, eCO2, temperatura, umidità
Pin e collegamento all’ESP32
| Pin | Ruolo | Pin ESP32 | Note |
|---|---|---|---|
| VIN | Alimentazione | 3V3 | |
| 3V3 | Non collegato all’ESP32 | — | 3.3 V output of the on-board regulator. Leave unconnected |
| GND | Massa | GND | |
| SCL | Clock I2C (SCL) | D22 | |
| SDA | Dati I2C (SDA) | D21 |
Collegamento consigliato per l’ESP32 DevKit a 30 pin, evitando i pin della flash, di sola lettura e di strapping. BoardPilot lo controlla mentre colleghi.
Codice di partenza (Arduino)
#include <Wire.h>
void setup() {
Serial.begin(115200);
Wire.begin(21, 22); // SDA = GPIO 21, SCL = GPIO 22
Wire.beginTransmission(0x53);
bool found = Wire.endTransmission() == 0;
Serial.println(found ? "ENS160 + AHT21 air quality combo found at 0x53" : "Not found: check power, GND and SDA/SCL");
}
void loop() {}Fonti
- ScioSense ENS160 datasheet, I2C address 0x53 (ADDR HIGH) or 0x52 (ADDR LOW); PART_ID register 0x00 = 0x0160, little endian
- Aosong AHT21 datasheet, I2C address 0x38
- ScioSense ENS160 datasheet, Outputs AQI-UBA 1 to 5, TVOC ppb and eCO2 ppm; eCO2 is estimated, not measured
Provalo in 3D in BoardPilot
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Dati dei componenti: CC BY 4.0, riutilizzabili citando BoardPilot.