Mark Lecturing in Maryland, not Texas!

'Twas the night before Christmas and all through the shop Not a creation was stirring (except the Turbot!). All robots had been packed and shipped with care, With hope, to their destination, they soon would be there. The bosses and staff were heading home straight To settle down to gift wrapping, probably 'til late. When out […]

After we have survived recent natural disasters like floods and thunderstorms, mosquitoes are another disaster that needs elimination. I don’t like mosquitoes. They are evil vampires lurking in the dark. Flies on the other hand are jovial and rich in protein. Cats usually specialize in them. But cats don’t tackle mosquitoes very well.. . I […]

Now that the season of mass gift giving is (temporarily) over, publishing the details on this special gift ocarina box for a wedding anniversary will not ruin a surprise. So I figured I'd share this personal project that uses simple but smart electronics. First I soldered an interrupter switch to the SuperFlex LED Strand with Battery Pack in color purple. […]

Hey, how about that! We've got some new gear motors to complement the popular Mini Metal Gear Motors (the GM11a, GM12a, GM13a, GM14a, GM18 and yes, even the mutant GM19). What's particularly new is that they have sealed cylindrical gearboxes! Same sort of gearing, but no funky rectangular shape - just a nice, sleek, clean […]