ESP8266 is a tiny extremity cheap MCU with third-party library making it Arduino compatible. Features all the normal connections you would expect such as GPIO, SPI, I2C, I2C and UART to name a few, the biggest selling point is its size and build in WiFi support with full stack TCP / IP communications. Great for
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Got a spare raspberry pi and like music? Turn it into an easy to use music player with access to Spotify, YouTube, internet radio and much more. Pi MusicBox runs headless allows you to simply plug in speakers and control it via a fancy web interface. http://www.pimusicbox.com/
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This was a test of a friend’s homemade servo winch to see how well it would coupe with a vertical deadweight lift, it did really well and lifted itself all the way up to the hook. Got a bit warm but no burning smells or fires, very impressed. This was a converted high torque steering
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