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License Plate Guitar

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Continuing the tradition of homemade resonator guitars, follow along as we build a License Plate Guitar. A discarded vehicle's license plate will serve as our metal resonator top. This will be mounted atop a soundbox custom-fitted for the license plate, and the build completed with a hand-wound pickup, bridge, nut,... Read more »

Cellular Sensor Sentinel

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This project uses the Seeed Studio GPRS/GSM v2.0 Shield to build a versatile Arduino-based remote alarm system that can notify your cell phone within seconds, via text message, when nearby doors or windows are opened or closed, pressure sensors depressed, or motion sensors activated, just to name a few of... Read more »

Wear Your Heartbeat with a Pulse Sensor and Weekend Projects

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The Beatband Sleeve joins a long list of projects attempting to read the human-mechanical heartbeat and visualize it as an electrical signal. Whether using midi controllers or operational amplifiers or infrared technology (and more recently IR in combination with an op-amp), makers love wearing their heartbeats as pendants or simply... Read more »