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How a Fire Sprinkler Works – Including Color Coding & Various Designs

Another instant classic video from Big Clive, who does a great job at examining some fire sprinkler heads he picked up off eBay for a couple of bucks each. For whatever reason in my own life I’ve only ever looked at, examined, or noticed red-liquid sprinkler heads, and so I was completely unaware of the color coding system, which as Big Clive points out is more for easy identification than operation – the temperature breaking point is actually regulated by the bubble in the bulb!


Make a robot friend with Adafruit’s CRICKIT – A Creative Robotics & Interactive Construction Kit. It’s an add-on to our popular Circuit Playground Express, FEATHER and other platforms to make and program robots with CircuitPython, MakeCode, and Arduino. Start controlling motors, servos, solenoids. You also get signal pins, capacitive touch sensors, a NeoPixel driver and amplified speaker output. It complements & extends your boards so you can still use all the goodies on the microcontroller, now you have a robotics playground as well.

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Python for Microcontrollers — Help bring CircuitPython to other languages!

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