Building a universal remote with an Arduino

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This is a nice DIY universal remote using an Arduino and an IR LED. Hopefully you have an oscilloscope so you can decode your current remote. If not, keep checking craigslist for a really cheap one. That’s where I got mine.

It is really easy to build a universal remote using an Arduino. With just an infrared LED, it can impersonate remotes for your TV, fans, lights, etc. and can let you easily incorporate these into your electronics projects. You won’t even have to solder anything or void any warranties.

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