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All Posts Tagged Tag: ‘IOT’

  • ZigBeeCoAPProxyToCloud1

    CoAP Proxy Server for XBee / ZigBee sensors

    A lot of the equipment used in implementing IoT Wireless Sensor Networks (WSNs) have limited memory, program space, and computing power. These constraints heavily influence the capabilities of the protocols that can be used on these devices. In one of our previous articles we described …

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  • ZigBeeMQTT1

    ZigBee, XBee and MQTT

    802.15.4 is a wireless network communications protocol defined by the Institute of Electrical and Electronics Engineers (IEEE).  It is designed for applications that have low-cost and low-power requirements which take precedence over speed and range.  It is used to implement Wireless Personal Area Networks (WPANs), …

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  • IoTPrototypesUsingArduino2

    Using Arduinos to prototype IoT solutions

    A lot of the information surrounding the use of the popular Arduino single-board microcontroller centers around its adoption by the maker community. What may not be as obvious is how effectively it can be used to prototype sensor devices in the last 100 metres of …

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  • MosquittoRouter

    Connecting the Last 100 Metres to the Cloud using Mosquitto

    A lot of the growth in the domain of the Internet of Things (IoT) is going to come from devices that are connected in the last 100 metres. These devices will cover a wide range of industries, such as transportation, health care, utilities, security, and …

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  • AndroidSecureMQTT1

    Accessing a Secure MQTT Broker with Android

    When building Internet of Things (IoT) applications, Android devices can be excellent providers of data. The Message Queue Telemetry Transport (MQTT) protocol offers an efficient and effective way to transfer this data to another node in your application, such as a cloud server. If sensitive …

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  • SecuringMQTTOnApacheActiveMQ

    Securing MQTT on Apache ActiveMQ

    Introduction One of the technologies often associated with the Internet of Things (IoT) is Message Queue Telemetry Transport (MQTT).  It is a lightweight Machine to Machine (M2M) protocol that runs over TCP/IP and offers a publish-subscribe model for messaging.  Its “light” use of network bandwidth …

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