Technology: 802.15.4

Cymbal Monkey


Need your alerts noticed? How about a crash of cymbals followed by the insistent screeching of an agitated ape? It will certainly catch attention faster than a softly blinking light. Here’s how to make an incomparable wireless alarm by triggering a clamorous cymbal monkey via an XBee radio.

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7-Segment Number Display


Number communicate clearly. With a simple 7-segment numeric display you can show how many, how much, which one or when with precision. It’s a snap to display numbers wirelessly with an XBee radio.

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XBee Scent Generator


What does information smell like? Now you can savor the bouquet of your data with an XBee Scent Generator. We show how to connect easily connect a battery-powered air freshener to the wireless web, using an XBee radio.

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Controlling a Lamp from the Internet with Device Cloud


Using Device Cloud and the XBee Internet Gateway, you can control high voltage devices in your home from over the internet!

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Sensing Light Levels with a Photocell

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Photocells are a popular component in electronics projects; they let you sense light levels. In this tutorial, you’ll learn how to create a wireless photocell.

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LCD Text Display


Words are how humans communicate. An inexpensive LCD text display can be the most economical way to make your project talk to people, and it’s easy to make a wireless one with an XBee radio.

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Wireless Control of AC Devices with a PowerSwitch Tail


Wirelessly control high voltage AC devices with an XBee 802.15.4 connected to a PowerSwitch Tail relay.

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Joystick with XBee


Let’s get physical! Join this joystick to your XBee radio for a terrific way to add movement to your project, sending all kinds of things in different directions.

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Counting Money with a Coin Acceptor


Your XBee can make real money, all by itself. In this tutorial, we’ll walk you through how to program the radio, configure the acceptor and wire it up to an XBee so you can create projects that earn real cash!

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Wireless Panel Meter


Watch the needle go back and forth as you satisfy your nostalgia for analog outputs with this tutorial on making a wireless panel meter.

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