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Adafruit Si7021 Temperature & Humidity Sensor Breakout Board - STEMMA QT

Product Code: ADA-3251
Adafruit Si7021 Temperature & Humidity Sensor Breakout Board - STEMMA QT
Adafruit Si7021 Temperature & Humidity Sensor Breakout Board - STEMMA QT
Adafruit Si7021 Temperature & Humidity Sensor Breakout Board - STEMMA QT
Adafruit Si7021 Temperature & Humidity Sensor Breakout Board - STEMMA QT
Adafruit Si7021 Temperature & Humidity Sensor Breakout Board - STEMMA QT
Adafruit Si7021 Temperature & Humidity Sensor Breakout Board - STEMMA QT
Adafruit Si7021 Temperature & Humidity Sensor Breakout Board - STEMMA QT
Adafruit Si7021 Temperature & Humidity Sensor Breakout Board - STEMMA QT
Adafruit Si7021 Temperature & Humidity Sensor Breakout Board - STEMMA QT
Adafruit Si7021 Temperature & Humidity Sensor Breakout Board - STEMMA QT
Adafruit Si7021 Temperature & Humidity Sensor Breakout Board - STEMMA QT
€ 11.95
Incl. 21% VAT
€ 9.88 Ex. VAT
7 piece(s) directly available from stock.
Shipped on Monday when ordered now.
QuantityDiscountPrice
10 or more-5%€ 11.35 Ea.
50 or more-10%€ 10.76 Ea.

Description

It's summer and you're sweating and your hair's all frizzy and all you really want to know is why the weatherman said this morning that today's relative humidity would max out at a perfectly reasonable 42% when it feels more like 77%. Enter the Si7021 Temperature + Humidity Sensor - the best way to prove the weatherman wrong!

This sensor from Silicon labs has ± 3% relative humidity measurements with a range of 0–80% RH, and ±0.4 °C temperature accuracy at a range of -10 to +85 °C. Great for all of your environmental sensing projects. It uses I2C for data transfer so it works with a wide range of microcontrollers.

To get you going fast, Adafruit made a custom PCB in the STEMMA QT form factor, making it easy to interface with. The STEMMA QT connectors on either side are compatible with the SparkFun Qwiic I2C connectors. This allows you to make solderless connections between your development board and the LIS331s or to chain them with a wide range of other sensors and accessories using a compatible cable. QT Cable is not included, but we have a variety in the shop.

All the pins are broken out to standard headers and a voltage regulator and level shifting have been added so you can use it with either 3.3V or 5V systems such as the Raspberry Pi + Feather series or Arduino Uno respectively.

There's a PTFE filter to keep the sensor clean, that's the white flat thing on top. Also comes with some pin header. Some light soldering is required to attach the header for use in a breadboard but it's easy to do.

Specifications

General
Product CodeADA-3251
BrandAdafruit
MPN3251
PlatformSTEMMA

Documentation

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