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Smart Pumpkin for Halloween Using Neopixels and Arduino Uno! #ElectronicHalloween

Adafruit halloween2016 blog

This great halloween project features an Adafruit Neopixel Ring! Via Maplin

Here’s a guide to building your own smart pumpkin…

…in this case it’s just a flame effect and then when the response from a light dependent resistor, when somebody blocks the light, or stands over it changes it’s mode – it makes a noise and changes to green light for a short while.

The one in our video has a 24 neopixel ring to make the flame, but if you tweak the code a bit you can use any LEDs, and if you have two colours use the triggered mode to light a different circuit.

Follow these simple steps to create your own smart pumpkin. Firstly deal with the pumpkin in the traditional fashion, cut the top off (angling the knife down by about 45 degrees so it sits nicely into the hole), and proceed to scoop out the seeds and most of the flesh, ideally leaving about 1 cm of flesh and under the skin all around – this will help to remove any excess moisture meaning that your pumpkin won’t rot as quickly, and you can make a nice soup with the contents.

See more!


Featured Adafruit Products!

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NeoPixel Ring – 24 x 5050 RGB LED with Integrated Drivers; Round and round and round they go! 24 ultra bright smart LED NeoPixels are arranged in a circle with 2.6″ (66mm) outer diameter. The rings are ‘chainable’ – connect the output pin of one to the input pin of another. Use only one microcontroller pin to control as many as you can chain together! Each LED is addressable as the driver chip is inside the LED. Each one has ~18mA constant current drive so the color will be very consistent even if the voltage varies, and no external choke resistors are required making the design slim. Power the whole thing with 5VDC and you’re ready to rock. Read more!


Adafruit electronic halloween dark HAPPY HALLOWEEN! Every day this month we’ll be bringing you ideas and projects for an Electronic Halloween! Expect wearables, hacks & mods, costumes and more here on the Adafruit blog! Working on a project for Halloween this year? Share it with us on Google+, in the comments below, the Adafruit forums, Facebook, Instagram or Twitter— we’d love to see what you’re up to and share it with the world (tag your posts #ElectronicHalloween). You can also send us a blog tip! Tune in to our live shows, 3D hangouts with Noe and Pedro and Ask an Engineer, featuring store discount codes, ideas for projects, costumes, decorations, and more!


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