Si7021 Temperature & Humidity Sensor Breakout Board - Adafruit 3251

Index: ADA-07681 EAN: 5904422310721

Humidity and temperature sensor powered with the voltage of from 3 V to 5 V with I2C interface. The temperature measurement range is from -10 °C to 85 °C, for humidity is from 0 to 80% RH.

Si7021 Temperature & Humidity Sensor Breakout Board - Adafruit 3251
€15.17
€12.33 tax excl.
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Manufacturer: Adafruit
Compatibility: Arduino Raspberry Pi

Description

Easy to use temperature and humidity sensor with the supply voltage from 3 V to 5 V. It communicates through an I2C interface. The accuracy is 0.4 °C for temperatures ranging from -10 °C to 85 °C and 3% for the humidity in the range from 0 % to 80 % RH. The sensor is used, i.a. in meteorological stations and systems of control of the conditions in the premises.

 

 

Connection

The module communicates via the I2C bus. It has 5 pins.

 

 

Pin Description
VIN Pin of the power supply from 3 V to 5 V.
GND The ground of the system.
SCL Clock line of the I2C interface.
SDA Data line of I2C interface.
3,3 Regulated output of 3.3 V, with a capacity of 100 mA.

 

The product is compatible with Arduino

The manufacturer has prepared auser guideanda library along with a sample programfor Arduino users.

 

Pins are the solder fields for soldering the goldpin connectors- pitch of 2.54 mm. Thanks to them, it is possible to connect the system with thebreadboardor the main module usingwires. The set includes the goldpin connectors for self-soldering.

 

Specification

  • Supply voltage: 3 to 5 V
  • Fast response time
  • Two mounting holes with a diameter of 3 mm
  • Temperature
    • Measuring range: -10 to 85 °C
    • Accuracy: ± 0,4 °C
  • Humidity:
    • Measuring range: 0 % RH to 80 %RH
    • Accuracy: ±3 %RH*
  • Interface: I2C
  • Dimensions: 17,8 x 15,3 x 3 mm
  • Weight: 1.0 g

 

*RH - relative humidity is expressed in percents. It is the ratio of actual humidity in the air to its maximum number that air can keep at a given temperature.

 

Interface I2C
Sensor - Temperature to 85 °C
Sensor - Temperature accuracy +/- 0.4 °C
Sensor - Temperature from -10 °C - 85 °C

Same-day shipping

  • Crediting the payment for the order on our account on a business day before 10:00 AM means sending the goods on the same day.
  • All packages are being delivered by GLS Group courier and covered with insurance up to 1200 EUR.
  • You will receive a link to track your package and monitor the progress of delivery as soon as it is shipped.

Terms of delivery 

GLS - zone 1

Austria, Belgium, Croatia, The Czech Republic, Denmark, Germany, Netherlands, Poland, Slovakia 

  • Delivery time: 2-4 days
  • Delivery cost: from 4.18 EUR
  • Insurance: 1200 EUR
GLS - zone 2

Bulgaria, Estonia, France, Hungary, Italy, Latvia, Lithuania, Luxembourg, Portugal, Romania, San Marino, Slovenia

  • Delivery time: 2-5 days
  • Delivery cost: from 5.35 EUR
  • Insurance: 1200 EUR
GLS - zone 3

Finland, Greece, Ireland, Spain, Sweden 

  • Delivery time: 2-7 days
  • Delivery cost: from 7.67 EUR
  • Insurance: 1200 EUR

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