I found some squeaky rubber rats at the local dollar store last year. Of course I had to buy ten of them, and then work on some sort of project later. Once I got my Raspberry Pi, I knew I had to combine these into a Hallowe’en decoration project.
- 2S hobby lipo (2S4P in this configuration) for 7.4V
- 2x Sparkfun 5V/3.3V breadboard power regulator, modified to remove PTC fuses
- Raspberry Pi Model B Rev 1
- Adafruit Pi Cobbler GPIO breakout
- Adafruit 16 Channel i2c PWM Servo Controller
- 10x Tower Pro SG92R micro servos (via Adafruit)
- 20x 5mm Red LEDs
- 10x 330 Ohm resistors
- 10x 1 meter Futaba-style servo extensions (via eBay)
- 10x 6 cm Futaba-style servo extensions (hand assembled)
- 10x dollar store rat toys
- 2x solderless breadboards and a few wires
- USB micro B plug (chopped a USB plug) to power Raspberry Pi
- Hot Glue to form insulators and standoffs
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 and Ask an Engineer, where Adafruit store discount codes are announced– get the most bang for your Halloween buck!