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Description

Product information "Elecrow Crowtail HTU21D Humidity Temperature Sensor, I2C, 0-100 % RH, 1,5–3,6 V"

Elecrow Crowtail HTU21D Humidity & Temperature Sensor 2.0
Der Elecrow Crowtail HTU21D Humidity & Temperature Sensor 2.0 ist ein digitaler Sensor zur Messung von Luftfeuchtigkeit und Temperatur. Er gehört zur Crowtail-Serie von Elecrow und ist speziell für den Einsatz in der Umweltüberwachung entwickelt. Der Sensor arbeitet im Spannungsbereich von 1,5 V bis 3,6 V und liefert kalibrierte digitale Signale über eine I2C-Schnittstelle. Zur Nutzung mit 5V-Systemen wie dem Crowduino wird ein Spannungsregler wie der AMS1117 benötigt. Der Sensor zeichnet sich durch einen niedrigen Energieverbrauch, schnelle Reaktionszeit, hohe Messgenauigkeit und eine kompakte Bauweise aus. Er eignet sich für vielfältige Anwendungen wie Wetterstationen oder Steuerungssysteme in Befeuchtern.

Der HTU21D-Sensor ist auf geringe Stromaufnahme und kompakte Abmessungen ausgelegt und bietet zuverlässige Ergebnisse bei gleichzeitig hoher Störfestigkeit. Die Messbereiche umfassen 0 % bis 100 % relative Luftfeuchtigkeit und −40 °C bis +105 °C. Die Kommunikation erfolgt über das I2C-Protokoll, was eine einfache Integration in Mikrocontroller-gestützte Systeme ermöglicht. Der Sensor ist besonders geeignet für mobile oder batteriegestützte Anwendungen, bei denen geringer Energieverbrauch und schnelle Messungen erforderlich sind.

Der Sensor misst präzise Temperatur und Luftfeuchtigkeit und ist für Anwendungen geeignet, bei denen zuverlässige Umweltdaten benötigt werden. Dazu zählen unter anderem Wetterstationen, Datenlogger oder automatische Klimasteuerungen. Durch seine digitale Kalibrierung, die I2C-Ausgabe und die hohe Genauigkeit ist der Sensor in vielfältigen Umgebungen einsetzbar. Die Versorgungsspannung von 1,5 V bis 3,6 V erlaubt den Betrieb mit einer Vielzahl von Mikrocontrollern, bei 5 V-Systemen ist jedoch eine Spannungsanpassung notwendig.

Merkmale im Überblick
  • Digitaler Sensor für Temperatur- und Feuchtigkeitsmessung
  • Hohe Genauigkeit: ±2 % RH (Luftfeuchtigkeit), ±1 % RH Hysterese
  • Schnelle Messzeit: 50 ms
  • Niedriger Energieverbrauch: max. 2,7 μW
  • I2C-Kommunikationsschnittstelle
  • Schnelle Reaktion und hohe Störfestigkeit
  • Kompakte Bauform: 20,0 mm × 20,0 mm × 9,8 mm
Kompatibilität
  • Arduino-kompatible Boards
  • Crowduino
  • Andere Mikrocontroller mit I2C-Schnittstelle (mit 3,3 V-Logik)
Technische Daten
  • Eingangsspannung: 1,5 V 3,6 V (5 V mit AMS1117 erforderlich)
  • Messbereich Luftfeuchtigkeit: 0 % 100 % RH
  • Messbereich Temperatur: −40 °C +105 °C
  • Maximale Leistungsaufnahme: 2,7 μW
  • Kommunikation: I2C
  • Genauigkeit Luftfeuchtigkeit: ±2 % RH (10 % RH 95 % RH)
  • Luftfeuchtigkeits-Hysterese: ±1 % RH
  • Messzeit: 50 ms
  • Jährliche Drift: −0,5 % RH/Jahr
  • Reaktionszeit: 5 s
  • Abmessungen: 20,0 mm × 20,0 mm × 9,8 mm
  • Maximale Last: 1 kg (nicht weiter spezifiziert, vermutlich Verpackungsangabe)
Sonstige Daten
  • AMS1117 erforderlich für 5V-Kompatibilität
Lieferumfang
  • 1x Crowtail HTU21D Humidity & Temperature Sensor
Links

Properties

Zolltarifnummer: 84733080
Brand: Elecrow
Country of Origin: China
Gross Weight (kg): 0.025
Manufacturer ID: CRT02120H
Product ID: CRT02120H

Manufacturer

Elecrow

Elecrow – Creative Electronics Solutions for Education and Development

Elecrow is a leading provider of electronics and educational products, offering innovative tools and platforms for students, makers, and developers. With a focus on creativity, user-friendliness, and versatility, Elecrow supports learners and professionals in executing their projects efficiently.

Elecrow’s product range includes microcontroller boards, sensors, displays, robotics kits, and DIY sets. The CrowPi kits, Raspberry Pi-based educational and development tools, are particularly popular. These kits are ideal for use in schools, makerspaces, and DIY projects, promoting an understanding of programming, electronics, and robotics.

Elecrow emphasizes open-source software and hardware to ensure accessibility and customizability. Many products are compatible with platforms such as Arduino, Raspberry Pi, and micro:bit, making project development and implementation easier. Additionally, the brand offers PCB manufacturing and prototyping services to help developers realize customized designs.

With a strong focus on quality, innovation, and support, Elecrow has established itself as a trusted brand for educational and development projects. The products provide an excellent platform for creative learning and modern technology implementation, catering to both beginners and experienced developers.

Hersteller- und Sicherheitsinformationen

Hersteller-Informationen
Elecrow
Nanchang Huafeng Industrial Park
CN Baoan District, Shenzhen
https://www.elecrow.com/
[email protected]

WEEE-Nummer: 85275112

Verantwortliche Person für die EU
Sertronics GmbH
Am Studio 20d
DE 12489 Berlin
https://www.berrybase.de
[email protected]

Sicherheitshinweise
  • Sensor nur gemäß den Empfehlungen des Herstellers installieren und verwenden.
  • Vor Installation oder Wartung die Stromzufuhr trennen.
  • Vor direktem Kontakt mit Wasser oder Feuchtigkeit schützen.
  • Nicht zerlegen oder eigenständig reparieren, da dies die Funktionalität und Sicherheit beeinträchtigen kann.
  • Temperaturbereich des Sensors beachten, um Schäden und Fehlfunktionen zu vermeiden.
  • Bei Fehlfunktion oder Beschädigung nur durch qualifiziertes Fachpersonal ersetzen.
  • Gebrauchte Sensoren umweltgerecht gemäß lokalen Vorschriften entsorgen.
  • Elektronik- und Kunststoffteile an zugelassenen Recyclingstationen abgeben.
  • Darauf achten, dass der Sensor keine gefährlichen Temperaturen misst, die Materialschäden verursachen könnten.

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