Check out the latest guide in our #electronichalloween series by Erin St Blaine: Dancing Inflatables! Inflatable Halloween and Christmas decorations are becoming really popular and easy to find at local Hardware stores. They light up your yard and fill a big space while still packing away small for the off season. In this tutorial you’ll learn how to use a Circuit Playground Express and a Power Switch Relay power supply to create a custom timer for your inflatables. The power supply and relay are rated for up to 120v so are easy to use with even large inflatables, like the 20′ purple octopus tentacles featured in the guide.
From the guide:
Make your holiday display dance this year with Circuit Playground and a relay-controlled power supply. Plug your 120v (or lower) inflatable tentacles, skeletons, reindeer, or monsters into the outlets on a relay controller, connect your Circuit Playground Express, and use Microsoft MakeCode to create a custom timer that turns the outlets on and off at your bidding. Tweak the timing to get them dancing, or create a random timer for organic-looking motion.
No soldering is required – and even if you’ve never programmed anything before, this is a super-easy guide to follow!
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