BME280, le capteur de précision de, est soudé sur PCB.
Non seulement la pression et la température, ce capteur peut mesurer l’humidité.
Il utilise à la fois l’interface I2C et SPI (prend en charge 3-, 4 fils SPI)
- Spécifications:
- Tension d’alimentation: 1.8 – 5V cc
- Interface: I2C (jusqu’à 3.4MHz), SPI (jusqu’à 10 MHz)
- Portée opérationnelle:
- Température: -40 à + 85 °C
- Humidité: 0-100%
- Pression: 300-1100 hPa
- Résolution:
- Température: 0.01 °C
- Humidité: 0.008%
- Pression: 0.18Pa
- Précision:
- Température: +-1 °C
- Humidité: +-3%
- Pression: +-1Pa
- I2C adresse
- SDO BAS: 0x76
- SDO HAUTE: 0x77
BME280 Caractéristiques
-Emballage couvercle métallique LGA de 2.5mm x 2.5mm x 0.93mm
-Interface numérique I2C (jusqu’à 3.4 MHz) et SPI (3 et 4 fils, jusqu’à 10 MHz)
-Tension d’alimentation VDD plage de tension d’alimentation principale: 1.71 V à 3.6 V
Plage de tension d’interface VDDIO: 1.2 V à 3.6 V
-Consommation de courant 1.8 uA @ 1Hz humidité et température
2.8 uA @ 1Hz pression et température
3.6 uA @ 1Hz humidité, pression et température
0.1 uA en mode veille
-Plage de fonctionnement-40…+ 85 C 0…100% rel. Humidité, 300…1100 hPa-le capteur d’humidité et le capteur de pression peuvent être activés/désactivés indépendamment
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