DIY Projects

How-To: Knit stretch sensor

Hannah Perner-Wilson uses conductive yarn to make a stretch sensor, here’s how: Use a circular knitting machine to knit a stretch sensor with regular and conductive yarns in five minutes! The values of the sensor range from roughly 2.5 Mega Ohm when relaxed, to 1 Kilo Ohm when fully stretched. The stretch sensing is actually […]

Complete hexapod part set on Thingiverse

Complete hexapod part set on Thingiverse

Thingiverse user Daniel (“mind”) has uploaded a complete set of files to laser-cut all the pieces of this sweet SpiderBot hexapod. He comments:

A hexapod with servo joints. This design is quite big and needs strong servos but looks really cool…I used 20 HD-2213MG Servos…If you use other servos you need to modify the embeddings for the servos and servo horns. You may make the upper and lower legs shorter to get shorter leverage. Finally the parts get assembled with M2 thread rod and nuts.

Are you ready for 72 hours?

Are you ready for 72 hours?

Have you checked your emergency kit in a while? Back at the turn of the century, lots of people built survival kits in preparation for the festivities of Y2K. Perhaps you have moved since then, or maybe you never made one. After a natural or manmade disaster, the magic window is considered to be 72 hours for surviving the initial impact. Having a kit at the ready might increase your chances. Certainly while traveling, you can have a plan agreed upon with all of your group.

After a major disaster, it is unlikely that emergency response services will be able to immediately respond to everyone’s needs, so it’s important to be prepared to take care of yourself and your family. Plan to be on your own for at least the first 72 hours.