Android Things Candy Bot

A candy dispenser that waits for you to smile then dispenses candy and posts pictures to @TheCandyBot on Twitter.

Largely inspired by the AI Candy dispenser

Technology used:

• Android Things
• Google Vision API
• Twitter SDK

Pre-requisites:

• Android Things compatible board (Raspberry Pi 3 or NXP Pico IMX7D)
• Android Things compatible camera (for example, the Raspberry Pi 3 camera module)
• Android Studio 2.2+
• Camera
• Android Things Compatible Touch Screen
• 1 Breadboard
• 1 Electric Candy Dispenser
• 1 TIP120 Transistor (NPN)
• Jumper wires
• 1 Diode

Schematics

Setup and Build

• Create twitter.properties file in top level folder. Inside it include the following:

TWITTER_API_TOKEN="your_token"
TWITTER_API_SECRET="your_secret"
TWITTER_USER_ID=userid
TWITTER_USERNAME="TheCandyBot"
TWITTER_CONSUMER_KEY="consumer_key"
TWITTER_CONSUMER_SECRET="consumer_secret"

You can get all of these by signing up for Twitter API here - https://dev.twitter.com/.

Run the application on your Android Things device. Press the "Smile" button and then watch as your candy gets dispensed and delivered to you.

Vectors (images) in this example app were found from http://www.vecteezy.com/ https://www.vecteezy.com/vector-art/82193-free-cake-and-sweets-vector-icons https://www.vecteezy.com/vector-art/123321-free-sweets-vector