[Udo Klein] took on the challenge of counting as fast as possible using an Arduino board. The quest involves a search for short-cuts that will let him drive a 20-bit counter as quickly as possible … ...

[Todd Harrison] really has our number. Like him, we don’t want to spend money when we don’t have to, and hacking our own solutions is a lot more fun anyway. This time around he’s … ...

This module can be used by younger students to hone their counting skill in increments of one, five, ten and twenty-five. Additionally, it is useful to teach them to work with money, specifically how ...