Make sure you watch at least the first 45 seconds or you’ll miss the Flames of Hell!
- 1x Arduino Uno R3
- 1x Adafruit Music Maker shield
- 1x Sparkfun Spectrum Shield
- 1x Passive infrared sensor
- 4x 8×8 LED matrices
- 4x MAX 7219 chips to drive them
- 1x RGB 12v LED strip
- 3x transistors to switch the LEDs
The Flames of Hell effect is a the result of the 2×7-channel spectrum analyser on the Spectrum Shield.
Featured Adafruit Product!
Adafruit “Music Maker” MP3 Shield for Arduino w/3W Stereo Amp – v1.0: Bend all audio files to your will with the Adafruit Music Maker shield for Arduino! This powerful shield features the VS1053, an encoding/decoding (codec) chip that can decode a wide variety of audio formats such as MP3, AAC, Ogg Vorbis, WMA, MIDI, FLAC, WAV (PCM and ADPCM). It can also be used to record audio in both PCM (WAV) and compressed Ogg Vorbis. You can do all sorts of stuff with the audio as well such as adjusting bass, treble, and volume digitally. Read more.
HAPPY HALLOWEEN! Each weekday 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, or Twitter— we’d love to see what you’re up to and share it with the world (tag your posts #ElectronicHalloween). Tune in to our live shows, Wearable Electronics with Becky Stern, 3D hangouts with Matt, Pedro, and Noe, and Ask an Engineer, featuring store discount codes, ideas for projects, costumes, and decorations, and more!
Have an amazing project to share? Join the SHOW-AND-TELL every Wednesday night at 7:30pm ET on Google+ Hangouts.
Join us every Wednesday night at 8pm ET for Ask an Engineer!
Learn resistor values with Mho’s Resistance or get the best electronics calculator for engineers “Circuit Playground” – Adafruit’s Apps!
Maker Business — TechShop is closed, files bankruptcy
Wearables — Get concrete solutions
Electronics — Are you grounded?
Biohacking — Learning to See with Sound
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