Add a Little Quindar to Your Comms for that Apollo-Era Sound

If there’s one thing that ties together all the media coming out of the Apollo era, it’s probably the iconic Quindar tones. These quarter-second beeps served as control tones for …read more Continue reading Add a Little Quindar to Your Comms for that Apollo-Era Sound

Navigation Thing: Four Days, Three Problems, and Fake Piezos

The “Navigation Thing“ was designed and built by [Jan Mrázek] as part of a night game activity for high school students during week-long seminar. A night-time path through a forest had stations with simple tasks, and the Navigation Thing used GPS, digital compass, a beeper, and a ring of RGB LEDs to provide a bit of “Wow factor” while guiding a group of students from one station to the next. The devices had a clear design direction:

“I wanted to build a device which a participant would find, insert batteries, and follow the beeping to find the next stop. Imagine

…read more

Continue reading Navigation Thing: Four Days, Three Problems, and Fake Piezos