Now that Halloween is (soon to be) past, what are you going to do with that HalloWing that you used in a project to scare tricker-treaters with? Well, if you have a black cat left over from the night's entertainments (actually, any sort of cat will do, the author's just happens to be black because, well, black cats are awesome) then you can make use of the HalloWing and keep the cat entertained with this project.


Video of a blinking eye on a Adafruit HalloWing M0 Express.
This is Hallowing..this is Hallowing... Hallowing! Hallowing! Are you the kind of person who doesn't...
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PIR (motion) sensor with a cable around it.
PIR sensors are used to detect motion from pets/humanoids from about 20 feet away (possibly works on zombies, not guaranteed). This one has an adjustable delay before firing (approx...
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Mini Oval Speaker with pico blade connector
Hear the good news! This wee speaker is a great addition to any audio project where you need 8 ohm impedance and 1W or less of power. We particularly like...
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Hand holding NeoPixel Ring with 24 x 5050 RGB LED, lit up rainbow
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...
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You'll need two of these JST cables. Male or female, it doesn't matter since you'll be clipping the ends off.

Any color of the silicone wire will do. It's great stuff to work with so you might find you want all the colors.

Other Parts and Tools

1 x Hookup wire
Silicone Cover Stranded-Core Wire - 50ft 30AWG
1 x Flexible ribbon cable
Silicone Cover Stranded-Core Ribbon Cable - 10 Wire 1 Meter Long
2 x 3-pin JST cable
JST PH 3-Pin to Female Socket Cable - 200mm
1 x Micro-B USB plug
USB DIY Connector Shell - Type Micro-B Plug
1 x USB Micro-B Breakout Board
1 x Battery
Lithium Ion Polymer Battery - 3.7v 1200mAh
2 x 20mm x 80mm prototyping board
We use this to make touch pads.
4 x M3 bolt
M3 x 4mm button head hex socket bolt
2 x M2 Bolt
M2 x 4mm button head hex socket bolt
1 x Pinvise and small drill bit, this is one example
Pinvise hand drill with a bit to fit 30AWG silicone covered wire.
  • Hot glue & glue gun
  • Solder and soldering iron

You may also need something to give weight to the very bottom of the bowl so that it will always return to an upright position. Something that won't present a danger of shorting out the electronics and can be glued into the bottom.

This guide was first published on Oct 23, 2018. It was last updated on Jul 18, 2024.

This page (Overview) was last updated on Mar 08, 2024.

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