June 6, 2014 AT 3:00 pm
DiceBot: The Twitter Controlled Dice Roller Powered by a Raspberry Pi @Raspberry_Pi #piday #raspberrypi
The Dicebot from Intridea is a dice machine powered by a raspberry pi and operated via twitter:
Our first example, DiceBot, takes a 1920’s antique dice game and adds some additional hardware and a few software layers to make it interactive and connected.
We added a motor to the dice roller so we didn’t have to spin it manually then connected it to a RaspberryPi via a L298N and GPIO so we could control the motor programatically. Then using OpenCV we created a program to recognize the pips on the dice that got rolled and output a count.
The device is connected to the Internet and controlled via Twitter using a couple Ruby scripts; one that listens for Tweets and queues jobs and another that listens for jobs, spins the wheel, counts, and puts the results back on a queue. To operate the device you simply send a tweet to @IntrideaDiceBot with the hashtag #RollTheDice and it will add you to the queue. When your turn comes up, it will spin the dice, count the pips, and Tweet back to you the count, plus a picture of the roll. You can see all the latest rolls on dicebot.intridea.com.
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