In 'tabletop role-playing games,' which are played using paper and pencil without using a computer, players roll dice to decide on various actions and determine damage. The ' D-20 ' developed by ...

[Bluewraith] built himself an electronic dice using a 555 timer and 4017 counter. This is a classic project and he enjoyed doing it but wondered about making a 20-sided dice. So he grabbed his Arduino ...