[AntonB] has modified a servo into a powerful linear actuator (think: changing rotational motion into linear motion). The process is simple enough, modify a servo for continuous rotation and then add the custom built actuating shaft. You do of course lose the precision of the servo, but a small price to pay to be able [...]
[Dave] Had been working on a cell phone activated remote start for his car for a while when we posted the GSM car starter. While both do carry out the same job, we feel that there is enough good information here to share. He’s gone a pretty simple way, by connecting the vibrator motor leads [...]
[Leesam] tipped us off to this cool tutorial for shaping Polymorph. For those who haven’t, it is pretty cool stuff. It is a plastic that comes in little pellets. You can melt it down at relatively low temperatures and mold it to the shape you need. We’ve seen it used on several projects, most notably [...]