from Mason Jar Dice Roller
This would be a great upgrade for the Trouble board game.
via CJA3D on instructables
Here is a great weekend project to undertake, if you plan on playing any board/dice related games. To build the project you will need a continuous rotation servo, an arcade button and a arduino nano or ESP8266 board, in addition you will need a 3D printer.
You have a couple of options, you can either use the arcade button to drive the continuous servo to roll the dice, or you can use a web app hosted on the ESP8266 NodeMCU.The web app has 4 buttons, which spin the servos at various speeds..
Original article: Mason Jar Dice Roller