GPS

Frida V, a Mapping Bicycle

Frida V, a Mapping Bicycle

We posted about Frida V. (Free Ride Data Acquisition Vehicle), a mapping bicycle, back in 2007. However, it looks like they haven’t quit working on this neat project. Frida V. is a rugged and comfortable bicycle equipped for efficient exploration and mapping of public urban spaces. It carries a small computer, GPS positioning device, 802.11 […]

Citizens as sensors

Citizens as sensors

Quick question: If you were having a heart attack and could choose one person to help you &emdash; either a paramedic, 10 miles away, or a CPR-certified neighbor, three blocks away &emdash; who’d make the cut? Since it’s your life at stake, let me give you a few more details to help aid in your […]

Nixie tube reverse geocache box

Nixie tube reverse geocache box

Arduino forum member RickP posted his awesome-looking reverse geocache box, which unlocks to reveal its contents only when it’s in a certain place on the globe. He uses an Arduino, a GPS sensor, and a trio of nixie tubes, which indicate the box’s distance from that special spot. When the button is pressed in that […]

OpenStreetMap: The Maker’s Map

OpenStreetMap: The Maker’s Map

Steve Coast, founder of OpenStreetMap, is going to doing some authoring for us on this unique, editable world map project. Steve started OSM in 2004 and has been deeply involved in it ever since. He lives in Denver with his wife, where he also enjoys hang gliding and collecting hammers. – Gareth Branwyn OpenStreetMappers in […]