IIC I2C GY-213V HTU21D/SHT21/SI7021/HDC1080/SHT20 Temperature&Humidity Sensor

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Item location: ShenZhen CN
$4.99 USD
+ $3.50 shipping

Product Details

Description:
The main chip is GY-213V-SHT21(Can be replace by HTU21D SI7021 HDC1080). The HTU21D is a low-cost, easy to use, highly accurate, digital humidity and temperature sensor. The Humidity and Temperature Sensor is an Arduino-compatible sensor board that carries an SHT21 digital humidity and temperature sensor from Sensirion.
Condition:
New
chip model:
SHT21
Brand:
Unbranded/Generic
Model:
HTU21D
Type:
HTU21D
Country/Region of Manufacture:
China
GTIN:
Does Not Apply

Seller Details

Seller:
modulefans
Seller Rating:
98705 (99%)
Ships to:
Worldwide
Shipping Options:
Standard SpeedPAK from China/Hong Kong/Taiwan, Expedited Shipping from outside US
Returns Accepted:
Yes

Additional Product Information

IIC I2C GY-213V HTU21D/SHT21/SI7021/HDC1080/SHT20 Temperature&Humidity Sensor.

 Description:(This 5 item have the same appearance but diffrent chips).

The main chip of this item is GY-213V-HTU21D.

The HTU21D is a low-cost, easy to use, highly accurate, digital humidity and temperature sensor.

This sensor is ideal for environmental sensing and data logging and perfect for a weather stations or.

humidor control systems. All you need is two lines for I2C communication and.

you’ll have relative humidity readings and very accurate temperature readings as a bonus!

There are only four pins that need to be hooked up in order to startusing this sensor in a project.

One for VCC, one for GND, and two data lines for I2C communication. This breakout board has built in 4.7k.

pull up resistors for I2C communications.If you’re hooking up multiple I2C devices on the same bus,.

you may want to disable these resistors.Dimensions: 0.6 x 0.6"Documents.

Package Included:1 XI2C GY-213V-HTU21D Temperature&Humidity Sensor.

The main chip is GY-213V-SHT21(Can be replace by HTU21D SI7021 HDC1080).

The Humidity and Temperature Sensor is an Arduino-compatible sensor board that carries an SHT21 digital humidity and temperature sensor from Sensirion. It has a 4-pin interface that can communicate directly with the analog pins on the Arduino.The SHT21 utilizes a capacitive sensor element to measure humidity, while the temperature is measured by a band gap sensor. Both sensors are seamlessly coupled to a 14-bit ADC, which then transmits digital data to the Arduino over the I2C protocol. Because of the sensor’s tiny size, it has incredibly low power consumption, making it suited for virtually any application.

To optimize accuracy of temperature and humidity readings, the SHT21 sensor is placed at the tip of the board, isolating it from heat producing circuitry. Two of the sensor’s four pins are ground and +5V; the other two are clock and data pins that make up the 2-wire serial interface. The board is 5V tolerant and designed to operate directly off the supply voltage coming from the Arduino.

The sensor can be placed in soil to measure moisture and temperature, which makes it ideal for using it in a garden or greenhouse. The humidity sensor is also especially useful in building remote weather stations.

* Energy consumption: 80 uW (at 12 bit, 3V, 1 measurement/s).

* Relative Humidity Response Time of 8 sec (tau 63%).

* Temperature operating range: -40 to +125°C.

* 4 pins: +5V, GND, Clock (SCL), Data (SDA).

* Bidirectional communication over a single pin on I2C protocol.

* Board is 5V tolerant, allowing sensor to run from a 5V supply on Arduino I/O pins.

* Homes, basements and HVAC systems for measuring humidity.

* People with physical conditions sensitive to humidity.

* Home ventilating, heating and air conditioning systems.

* Meteorology stations to predict or check weather temperatures.

* Gardens or greenhouses to check humidity and temperatures.

Package Included:1 x Low Power I2C GY-213V-SHT21 High Accuracy Digital Humidity&Temperature Sensor.

The main chip is GY-213V-HDC1080(Can use SHT21 HTU21D SI7021 chip to made the same sensor).

This I2C digital humidity sensor is a fairly accurate and intelligent alternative to the much simpler Humidity and Temperature Sensor - SHT15 Breakout It has a typical accuracy of ±4% with an operating range that's optimized from 10% to 80% RH. Operation outside this range is still possible - just the accuracy might drop a bit. The temperature output has a typical accuracy of ±0.2°C from -20~85°C.

The HDC1080 sensor chip has 2 address-select pins, so you can have up to 4 shared on a single I2C bus. It's also 3-5V power and logic safe so you don't need any level shifters or regulators to use with a 5V or 3V microcontroller.

Please note: TI has indicated that there's a 'settling' effect for the humidity and that you will need to re-hydrate the sensor once you receive it. To rehydrate it, place it in a location with 85% humidity for 24 hours or 60% humidity for 10 days.

The HDC1080 is a digital humidity sensor with integrated temperature sensor that provides excellent measurement accuracy at very low power. The HDC1080 operates over a wide supply range, and is a low cost, low power alternative to competitive solutions in a wide range of common applications. The humidity and temperature sensors are factory calibrated.

Vin - this is the power pin. Unlike many sensors, this chip can be powered by 3-5 VDC, so there is no voltage regulator on board. Simply power the board with the same power as the logic level of your microcontroller - e.g. for a 5V micro like Arduino, use 5V. For a 3V ARM processor, use 3V.

GND - common ground for power and logic.

SCL - I2C clock pin, connect to your microcontrollers I2C clock line. 3-5V logic OK.

SDA - I2C data pin, connect to your microcontrollers I2C data line. 3-5V logic OK.

These are pins you don't need to connect to unless you want to!

RDY - This is the interrupt/'ready' pin from the HDC100x. The chip has some capability to 'alert' you when data is ready to be read from the sensor. We don't use this pin in our library but it's available if you need it! It is open collector so you need to use a pull-up resistor if you want to read signal from this pin.

A0 A1 - These are the address select pins. Since you can only have one device with a given address on an i2c bus, there must be a way to adjust the address if you want to put more than one HDC100X on a shared i2c bus. The A0/A1 pins set the bottom 2 bits of the i2c address. There are pull-down resistors on the board so connect them to Vin to set the bits to '1'. They are read on power up, so de-power and re-power to reset the address.

Package Included:1 X Low Power I2C GY-213V-HDC1080 High Accuracy Digital Humidity&Temperature Sensor.

±0.4 °C (max), –10 to 85 °C.

Up to –40 to +125 °C operating range.

Low Power Consumption 150 μA active current.

Package includes:1PCS Si7021 Industrial High Precision Humidity Sensor with I2C Interface NEW.

4. Maximum power consumption: 2.7uW communication: I2C.

Package Included:1 X SHT20 Temperature Humidity Sensor.

2. We ship your orders within 1-2 business days after the payment cleared.

3. Item shipped from China via china Post Airmail, reach most of the countries within 2 to 4 weeks.

4. Delivery time depends on destination and other factors, it may takes up to 20 days. If you don't receive.

the item after 25 days,please contact us, we'll investigate and solve the delivery problem.

5. Import duties, taxes, and charges are not included in the item price or shipping cost. These charges.

are the buyer's responsibility. Please check with your country's customs office to determine what these.

additional costs will be prior to bidding or buying.

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1. Customer satisfaction is our top goal. All products are quality checked. They are new and in good.

condition when shipped to our customers. If product is defective or damage upon arrival, or wrong.

product shipped, please contact us immediately. Returns accepted within 14 days of delivery date.

and item must be in original new condition, not worn or altered in any way with attached tags & wrap.

Otherwise deal is final. Return shipping must be paid by buyer.

2. Please contact us first if you have anyproblems/questions/concerns. We will be happy to resolve.

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