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RELATED GUIDES

WiFi Candy Bowl Monitor
Monitor your Halloween candy bowl remotely over a WiFi network!
by Tony DiCola
Prevent unhappy trick-or-treaters by using an Arduino and CC3000 to warn when your Halloween candy bowl is running low.
Arduino Lesson 10. Making Sounds
Learn Arduino, Lesson 10. Making Sounds
by Simon Monk
This is Lesson 10 in the Learn Arduino Adafruit series. In this lesson, you will learn how to make sounds with your Arduino. First, you will make the Arduino play a 'musical' scale and then combine this with a photocell, to make a Theramin-like instrument that changes the pitch played as you wave your hand over the photocell.
SMS Texting Pet Food Dish
Receive an SMS text message when your pet food dish is empty!
by Tony DiCola
Use an Arduino and CC3000 to send SMS messages with Amazon's Simple Notification Service.
Halloween Pumpkin
Scary Pumpkin!
by lady ada
Here is a quick project for an electronic Halloween pumpkin. With a bit of hacking a $1 plastic pumpkin is upgraded: a sensor embedded in the nose detects when people get close and will play scary sounds and animates LEDs on the face. The sounds are stored on an SD card so its easy to change and customize what the pumpkin says, while the code is written for an Arduino so it's easy to modify the behavior. I'm going to have this pumpkin outside my door to freak out the little kids who go to daycare nearby. Boo!