Month: June 2009

Sailing with Tyvek

Sailing with Tyvek

[Image from John’s Nautical & Boatbuilding Pages] Buying a manufactured sail can be very expensive. If you are making your own vehicle and want to experiment with wind-driven propulsion, you might want to check out the idea of using building wrap as a way of forming your sails: Now plan the sail. For this first […]

Online resistor code tool

Online resistor code tool

Dave Fowler, of uC Hobby, sent us a link to this java app for determining resistor code values. There are a lot of these resistor ID tools floating around, in different formats — it’s nice to have the option to use which one works best for you and your circumstances (for instance, I don’t have […]