Category Archives: IoT

Building a ZigBee network at home

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Introduction The market is flooded with many home automation products that includes environmental sensors, smart light bulbs, smart switches and others. The technologies that connect these devices include Bluetooth, ZigBee, Z-wave, or Wi-Fi. The common pattern of using these products is to use a mobile app to access the sensors…. Read more »

Short Tutorial on Z-Wave

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Z-Wave is a wireless communications protocol that uses low-energy radio signals operating in the ISM band and support mesh networking topology. Z-Wave is used primarily for home automation for wireless control of home appliances e.g. lighting, security systems, thermostats, garage door openers etc. Z-wave protocol is developed by Sigma Designs,… Read more »

Controlling Zodiac-WX with Ryu

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The Zodiac WX from Northbound Networks is Dual-Band AC1200 AP that includes 2 Gigabit Ethernet ports and support for PoE. It also integrates Zodiac OpenFlow® engine with OpenWrt operating system. The Zodiac WX works with any standard OpenFlow® 1.3 compatible controller and appears to the controller as a 65-port Ethernet switch. This post explains how… Read more »

Arduino Weather Station

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I’ve built a simple indoor weather station using a Temperature and Humidity sensor and an LCD screen. Here are the instructions on how to build it yourself: First, you need the following components Stanadrd 16 x 2 Character LCD Display Module DHT11 3-Pin Digital Temperature Humidity Sensor Module 10k Ohm… Read more »