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Keyglove Tech In

Posted April 24, 2016 by Chris

"The Keyglove is an innovative new way to interact with your technology. A wearable, wireless, open-source input device, the Keyglove provides unprecedented flexibility and convenience for gaming, design, art, music, data entry, device control, 3D object manipulation, and even inexpensive telepresence."

Wireless Thermostat/Temp Sensor (With XBee)

Posted April 20, 2016 by Chris

"This post will be divided down into two main sections: hardware and software. I will try to explain with detail while keeping it short, and cover some of the key elements and choices involved in making this project."

Little Helper: Logic Analyzer And More!

Posted March 13, 2016 by Chris

"Working in my lab with electronics I came across different little challenges once in a while, and noticed that I am missing tools to handle them efficiently. Just a quick list, I am sure you could add various items to the list…Of course these aren’t any issues that you could not handle with the tools you have. But each of these take time….so, announcing the Little Helper!"

Intrinsic Optical Signal Imaging Chamber IOSIC

Posted March 5, 2016 by Chris

"Intrinsic optical signal (IOS) imaging is a functional imaging technique that has revolutionized our understanding of cortical functional organization and plasticity since it was first implemented, around 30 years ago. Even if IOS imaging lacks the ability to directly measure electrical neuronal function and track data at a fine temporal scale, it has some advantages on electrophysiological techniques, such as the capability to visualize functional architectures via the simultaneous sampling of a large cortical region with high spatial resolution."

How To Write A Library For Arduino

Posted February 21, 2016 by Chris

"Libraries are files written in C or C++ which provide sketches with extra functionality, for example the ability to control an LED matrix, read an encoder, connect to a sensor, display, or module, etc. They are very useful to lower the barriers for creating amazing interactive projects and use a wide range of components. Libraries can be created by everyone and shared with the open source community!"

Build a Wireless Water Meter for Your Home

Posted January 17, 2016 by Chris

"My system doesn’t require plumbing alterations, and it transmits the information via my home wireless network, so I can view water use on a connected device anywhere in the house. Now when my teenage kids take profligate showers, I can berate them with quantitative measurements!"

Garage Door Keypad

Posted December 28, 2015 by Chris

"Remote garage door openers are great but there were times I need access to the garage and did not have the remote with me. I therefore designed a simple keypad with 4 digit access codes to allow myself, my family and friends to gain quick access to the garage when a remote is not at hand."

FPGA Audio Peak Level and Correlation Meter

Posted November 23, 2015 by Chris

"I started this project more to gather some experience with FPGAs, rather than to design or own such a device, but it ultimately developed into a complete design, consisting of several boards."

The RIFFLE Open Source Datalogger

Posted November 10, 2015 by Chris

"We are working to develop an open source hardware datalogger that can be placed in the field for extended deployments and measure common water parameters like temperature, conductivity, depth, and turbidity. There have been several iterations of the hardware, including a version based on an ARM chip."

Build A Simple Wireless Bluetooth Stereo Audio System

Posted September 27, 2015 by Chris

"This article describes how to build that wireless Bluetooth stereo audio system—one that’s also fairly low-cost—for outdoor use. The system, which maintains 20-WRMS output power, can be controlled either with a handset containing a Bluetooth connection and a music player or with an Apple iPod model."