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Author Archives: Rob Faludi
When it comes to analog input, it doesn’t get any easier than a basic potentiometer. Potentiometers can be used for setting a level, determining an angle or just as a simple user interface adjustment.
A button or “momentary switch” is perfect for projects that require user input, or anyplace you need to detect a change in device state. In this tutorial, we’ll walk you through wiring up a simple button to your XBee Wi-Fi so that its current state can be seen in a online application from anywhere in the world.
Making an LED illuminate is one of the first things many people do when they start learning electronics. We’re putting a wireless spin on that achievement by hooking up an LED to be controlled from the web.
Here’s a quick hack that monitors a mini-refrigerator’s temperature, door state and power from anywhere over the Internet. It uses Device Cloud, the XBee Internet Gateway, Arduino and the XBee ZB radio. Once the data is in the Cloud, you can use The Social Machine to pass the monitors into Salesforce CRM system for native monitoring and preventative customer service.
Use a photocell light sensor with the XBee Wi-Fi to sense and take action based on the amount of light that falls on the sensor.
Measuring temperature is a popular way to get started with analog sensing. This example uses the TMP36 low-voltage linear sensor that is included in the XBee Wi-Fi Cloud Kit.
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.
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.
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.