SI7050 High Accuracy Temperature Sensor ±1.0°C I2C Mini Module — SI7050 High Accuracy Temperature Sensor ±1.0°C I2C Mini Module SI7020-A20 Humidity and Temperature Sensor ±4%RH ±.4°C I2C Mini Module SI7020-A20 Humidity and Temperature Sensor ±4%RH ±.4°C I2C Mini Module —

SI7021 Humidity and Temperature Sensor ±3%RH ±.4°C I2C Mini Module

$ 29.95

Features

  • High Accuracy Temperature Sensor ±0.4 °C (max), –10 to 85 °C
  • Precision Relative Humidity Sensor ± 3% RH (max), 0–80% RH
  • Integrated on-chip heater
  • Optional factory-installed cover
  • Modular SI7021 Breakout Board

The Si7021 I2C Humidity and Temperature Sensor is a monolithic CMOS IC integrating:

  • humidity and temperature sensor elements,
  • an analog-to-digital converter,
  • signal processing,
  • calibration data, and
  • an I2C Interface.

The Si7021 offers an accurate, low-power, factory-calibrated digital solution ideal for measuring humidity, dew-point, and temperature, in a number of industrial and consumer applications.

Applications of Si7021 include:

  • respiratory therapy,
  • defogging,
  • mobile phones and tablets,
  • white goods,
  • indoor weather stations,
  • asset/goods tracking,
  • automotive climate controls, and
  • micro-environments/data center monitoring.

All I2C Mini Modules are designed to operate at 5VDC. This Mini Module includes onboard power regulation and PCA9306 I2C level-shifting circuitry to adapt to our 5V I2C standard. Using a convenient 4-Pin plug, devices can be daisy-chained onto the I2C Bus, eliminating the need for soldering. Plug together all the pieces you need for your next automation application.

Pull-up resistors are included with all DCube master devices. If you are wiring in your own I2C port, onboard 4.7K jumper-selectable pull-up resistors are available for convenience purposes.

FREE I2C cable included.

What is the I2C Interface?

The supplier of plug and play modular hardware using the I2C Interface connector standard.  It allows you to chain together several devices on the I2C bus, and communicate to each device individually at high speed (subject to the limitations of I2C).  The I2C Interface uses a standard 4-Pin I2C Input and I2C Output connector.  These devices communicate on the power of 5V I2C data and provide 5V DC power through this connector.  The advanced embedded devices use standard I2C communications for all data transport, which is supported by nearly every microcontroller in production today.  The I2C Interface is strictly a 5V standard, which is ideal for transport across longer cables.  The device Package always includes a 6″ (152mm) 4-conductor I2C cable.  The I2C based Mini Modules always include a 3″ (76mm) 4-conductor I2C cable.  Cables and connectors are available separately for designers who would like to include their own I2C Interface into their designs.

Plug and Play Connectivity

The advanced Embedded devices will plug into any available I2C Output.  This includes just about everything we make in the DCube Store IoT Category, including all the other IoT devices.  We also supply a wide range of I2C adapters that make it easy to plug I2C Devices directly into most computing platforms.  The advanced Interface adapters are available for Arduino, Banana Pi, BeagleBone, Bluz, C.H.I.P., ESP8266, Onion Omega, Particle Photon and Electron, PyCom, Raspberry Pi, 2, 3, and Zero, and Windows.  We are always working to add new platform support for I2C devices.  These Interface devices are compatible with just about everything in the microcontroller industry.

Unlimited I2C Expansion

Based on our plug-and-play I2C interface standard, all the I2C devices which are equipped with the above protocol output ports, making it easy to expand to a wide variety of sensors, current monitors, relay controllers, PWM controllers, and much more!  We are always designing new expansions for our modular plug-and-play I2C framework.  We are dedicated to building a product line of interconnected devices to simplify all forms of automation.  Re-use or upgrade your hardware within seconds by selecting the modules that best fit your needs, and chaining them together using the included I2C expansion cables!

Powering I2C Interface Devices

Some I2C devices require an external power supply, others may be powered through the 4-Pin I2C bus connector at 5VDC, and other devices are jumper selectable between external and I2C bus power.  All I2C mini-modules are powered through the 5V I2C bus connector, greatly simplifying connectivity.

 

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