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Secret messages with Hexiwear – SPIRIT click demo
Posted by Lana Vulic on 05 April 2017 02:04 PM

Do you remember when you were a kid, and you wanted to pass a secret message to your friend in class? After you wrote it down and folded the paper neatly, you would hope that it would reach your friend’s hands and not someone else’s. Well, we have a new Hexiwear demo that does the same thing but without all the stress and paper folding.

SPIRIT click demo with Hexiwear

You will need two Hexiwears, two Docking Stations, two SPIRIT click boards™, two USB UART click boards™ and of course two people.

Once you connected both Docking Stations to computers you need to set up the UART terminal.

The terminal window displays the messages you exchange. Just keep in mind that you will not be able to see the message you are typing. Only the person you send it to will be able to see it. So, make sure your typing skills are high enough.

The baud rate we have used on the UART terminal for this demo is 460800 bps.

Choose the right COM port, and you can start the message exchange.

You can see the code for this demo on GitHub.

SPIRIT click

SPIRIT click carries the SP1ML 868MHz ultra low-power RF module. The SP1ML is based on the SPIRIT1 RF sub-GHz transceiver (with integrated SMPS), STM32L1 MCU, integrated filter/balun and chip antenna.

The click is designed to run on a 3.3V power supply and communicates with the target microcontroller over UART interface.

For more information about the click see the product page.

Yours Sincerely,

Products mentioned

The post Secret messages with Hexiwear – SPIRIT click demo appeared first on MikroElektronika.

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Hexiwear and indoor air quality with WiFi ESP click
Posted by Lana Vulic on 15 March 2017 05:45 PM

Hexiwear is, as always, a great foundation for new inventions. This time around we’ll show you what you can do to get precise information about your indoor air quality, in just a few minutes.

This is what you’ll need: Hexiwear, the Docking Station, WiFi ESP click and Air Quality 2 click.

How it works

Once you’ve got Hexiwear and both click boards on the Docking Station, you need to turn Hexiwear on and wait a few seconds before an IP address appears on its screen.

WiFi ESP click creates a local server, which enables up to 4 people to connect to its IP address.

Type in that IP address in your browser and half of the work is done.

Once you’ve got that IP address open in your browser press the left bottom button on Hexiwear. The left button on Hexiwear turns the RED LED and signals to Air Quality 2 click to give its reading. That reading is then sent to our server.

The right button on Hexiwear turns the RED LED OFF.  For a new air quality reading, just press left button again.

The page will display the levels of VOC and CO2 equivalent gases in the room.

You can download the code for all of this on GitHub.

Air Quality 2 click

Air quality 2 click carries the iAQ-Core Indoor Air Quality sensor that measures VOC levels and provides CO2 equivalent and TVOC equivalent predictions. The onboard sensor is so fast, that you’ll get the results after 5 minutes (start up time).

For more information about Hexiwear see the official page.

NOTE: Make sure to connect to your WiFi AP in order to get a unique IP address for your server.

Yours Sincerely,

Products mentioned

The post Hexiwear and indoor air quality with WiFi ESP click appeared first on MikroElektronika.

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How to get an SMS from Hexiwear – a demo with GSM 4
Posted by Lana Vulic on 15 December 2016 04:51 PM

GSM 4 click gets to join the Hexiwear docking station this time.

We have made a demo on how to use GSM 4 click on the Hexiwear docking station. You can check out the video first, to get an overview of the whole project, and then visit our website and enjoy the Learn article we have made for you.

SMS is always a good choice for communication with IoT devices. You can use SMS to turn applications on and off. Get notifications about the status of a device, like the temperature at a certain time of the day, every day. Maybe set your thermostat to let you know it the temperature in the living room goes over 26 degrees C. Open your garage door by texting it “open” in an SMS.

Another great advantage is that SMS can be sent from any place on the planet that has mobile network coverage.

By the end of the article, you will know how to send and receive SMS from Hexiwear. It’s a nice way to communicate with your favorite IoT device.

GSM 4 click carries the SARA-G3 quad-band module from u-blox, which means you can get a message from Hexiwear from anywhere in the world.

Yours Sincerely,

The post How to get an SMS from Hexiwear – a demo with GSM 4 appeared first on MikroElektronika.

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