Archive:Geocache

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Geocache Release status: beta [box doku]
Description	A Geocache right outside the space to attract new, tech-savvy members
Author(s)	Jan

The idea

A Geocache is a small, waterproof box that contains at least a Guestbook. The GPS coordinates are shared on the Internet for others to find. Geocaches are accessible for everyone. Read more on geocaching.com

Most geocachers are tech-savvy people. Wouldn't it be nice to have a Geocache that shows off our best work to attract new members?

• Multi-Cache (multiple stations to find before the location of the final box is revealed)
• Very tech-focused

Let's collect ideas for different elements below.

Ideas

• LEDs in front of our windows for morse-code/animations/binary encoded messages
• hall-effect sensors to trigger actions (user has to bring a magnet!)
• code-lock
• simple mechanics like pulleys
• web interface reachable from wifi
• only usable at a certain time of the day
• small piezo speaker that beeps only a few times a day helps to locate one station. We could use a plain old DCF-77 alarm clock.
• Items for Trade: Lasercut stuff, 3d printed stuff, small and cheap electronics/arduino clones.
• show code or coordinates as wifi network name (ESSID)
• (Fake)-Stone with NFC-Tag that has do be placed onto a hidden NFC reader somewhere