New wireless control board from AirQ Networks

We are really excited to announce that we are almost ready to release a new control board on the market. Its name is AirQ 305 and it will have really interesting features and, more important, a really competitive price. AirQ Read more

Survival guide for AirQ ShielD buyers

You just received your new AirQ ShielD. And you want to start developing your application right now. But before you can start coding there are a couple of things you may know. We know: you don't like to read Read more

sNET library for Arduino now on github

After a week of testing and tuning up, we are finally ready to push the Arduino sNET library on our github account at http://github.com/airqnetworks :-) The library repository is named snet-arduino, and it can be easily downloaded using git: $ git clone Read more

New AirQ ShielD for Arduino UNO

As we've announced some days ago, we are progressively releasing information about how to develop custom applications above our wireless devices. We already described the protocol we've developed to interact with our control boards and wireless sensors: its name is sNET Read more

Important update of sNET library for Arduino

Thanks to Souliss Team, which is working hard to integrate AirQ Networks products in their excellent framework (we’ll talk about this soon), we discovered several reliability issues affecting sNET wrapper for Arduino. So we fixed them and we released the new 0.4 library version.

We strongly encourage updating the library with a simple git pull, or downloading it following this link.

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Building a wireless thermostat using Arduino/1

Starting from this post, we’ll publish a series of tutorials that show how it’s simple to build custom and complex wireless solutions using Arduino and AirQ Networks products.

heating-systemThe first tutorial we publish is maybe the most simple but it’s the bare bone tutorial of all DIY and makers: a Wi-Fi thermostat. Unless you are one of those lucky people that live in that areas of the earth where there are 25°C during all the year, a thermostat is useful both during winter and summer. During winter a thermostat can control the heating system as well as conditioning system during the summer. But often devices are placed far from where we need to control them. And this is especially true for boilers that are usually placed inside specific rooms (see left picture).

So wireless is a crucial point to design a flexible and adaptive thermostat. But we want to go further. In the Internet of Things (IoT) era, we want to design a thermostat that is smart and that we can control from the web wherever we are.

Bill of material

This tutorial is divided in three parts. In the first part, we’ll design a really simple but functional thermostat able to control a remote boiler according a hardcoded temperature. To do this step we’ll need:

For the second part of this tutorial we’ll need:

For the third part we’ll need:

  • an Arduino Ethernet shield;

In addition to these components, a breadboard and some patches are required. However, you are totally free to arrange the project as you like.

Read more

Posted on by admin in Arduino, Hardware, Tutorials 3 Comments

A closer look at AirQ 305 I/0 board

Yesterday we started shipping new AirQ 305 to our worldwide customers. And we are really happy that many of you liked it :-)

But we haven’t released complete specifications until now. So, let’s see all features of this new control board. AirQ 305 is a wireless controller board with 4 relays and 4 inputs. Each relay is tight to a three way terminal block (Normally Open, Normally Closed and COMmon). Relays are able to drive up to 10A of current. But if you plan to use them to drive AC loads, these are the exactly specifications of manufacturer:

 Spec

Value

Rated load (resistive / cosφ=1) 6A @250 VAC (NO/NC)     10A @120 VAC (NO/NC) 

10A @24 VDC (NO/NC)

Rated carry current 10A
Max. switching voltage 250 VAC     24 VDC
Max. switching current 15A

Different from other AirQ Networks control boards, inputs in AirQ 305 are voltage driven. This solution is more flexible compared to voltage free inputs, since they can be used both in case of dry and hot contacts. However, inputs can’t be used with every type of voltage and, keep in mind that they can’t be used with AC source. Input voltage ranges from 3VDC up to 24VDC. This upper limit can be extended using a voltage limit resistor. If you need to interface a dry contact (eg, a switch), you can sink +12VDC from power supply, as shown in the following picture. Inputs are opto-isolated: this is really useful if the input voltage is noisy.

IMG_20130316_114306

Compared to AirQ 310 and AirQ 300 control boards, this one doesn’t provide a battery changer and management IC. So the board can be powered only through a power adapter. The reason of this choice was to keep the selling price as low as possible. If fault tolerance is demanding, consider buying an AirQ 310 or 300 control board.

Read more

Posted on by admin in Arduino, Hardware 2 Comments

sNET library for Arduino release 0.3 is out

We’ve just released the new 0.3 version of sNET adapter for Arduino. This release introduces new interesting changes:

  • We changed the way confirmation is handled. Now we use the sNET message modifier MSG_CONFIRM to ask control board if a command has been received. This allows a better management of confirmation giving the best performance possible.
  • We decided that the default value for check parameter in setRELAYx() method is now true. This means that, if the library was compiled with the macro SNET_ENABLE_CONFIRM, all setRELAYx() operations are done with confirmation. 
  • We’ve added the support to relay pulse for AirQ 310 control board through pulseRELAYx() method.
  • Now the support for new AirQ 305 control board is completed (we’ll say more about this in a next post).

We also added an “example” directory inside the library that contains examples that show how to use a given board. The only thing to change is the sNET address of the specific board.

As usual, the library is hosted on our github repository.

In the next release, we’ll focus on adding more documentation on the whole library.

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New wireless control board from AirQ Networks

We are really excited to announce that we are almost ready to release a new control board on the market. Its name is AirQ 305 and it will have really interesting features and, more important, a really competitive price.

airq305-1

AirQ 305 has the following characteristics:

  • 4 Relays capable of control up 10A of current.
  • 4 Opto-isolated inputs that accept a broad range of inputs running from 3V to 24VDC.

 

Different from other AirQ Networks control boards, that are designed to address the industrial market, this control board was designed to keep its production costs as low as possible. So AirQ 305 is addressed especially to hobbyists and all those people that need to keep budget low.

AirQ 305 will be sold for a limited time offer at €49,90. Special offer is available only if the AirQ 305 is bought in bundle with an AirQ ShielD.

We’ll start to ship AirQ 305 control boards by the end of the next week (15 March 2013).

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