Fun & Games

The latest DIY ideas, techniques and tools for bikes, rockets, R/C vehicles, toys and other diversions.

Tellart’s giant Frogger remake at RI Mini Maker Faire

Tellart’s giant Frogger remake at RI Mini Maker Faire

We decided to stick to the theme of mixed reality projection games, developing a custom WaterFire version of the classic Frogger Game. Players were invited to wear a helmet rigged with infrared LED’s which let them control a virtual frog trying to cross the treacherous WaterFire-themed street.

In the spirit of this Make Magazine-affiliated event, we are sharing our software that ran the game, along with some instructions here. We will also be posting a video of the event soon.

Computing Lego gear ratios

Computing Lego gear ratios

Polish AFOL Paul “Sarial” Kmiec (who built this neat robot arm) has created a Lego gear ratio calculator that lets you create complicated sets of gears and gives you speed, torque and ratios. Another tool lets you position two axles, then tells you what gears will work with that configuration. Lastly, you can choose which […]