Technology

OpenTracker project

OpenTracker project

The OpenTracker project now has kits! – The OpenTracker is an APRS unit that transmits data via amateur radio Packet. Usually the OpenTracker is connected to the microphone input of a radio (generally a 2-meter handheld or mobile.) Data from a GPS receiver gets encoded and transmitted in APRS format, and in many parts of […]

Physical Interactions over IP

My friend Thomas Edwards, who’s the alpha geek behind Dorkbot DC, has put up a new project wiki for his (and presumably other techno-artist’s) work in what he calls Phy2Phy, or “Physical Interactions over IP.” This YouTube vid shows progress-to-date on his “Touch” project, which allows two people to touch each other over a Net […]

A “mixed-signal” LED clock

A “mixed-signal” LED clock

Ronald writes – The term “mixed-signal” is usually reserved for circuits and ICs that process both analog and digital signals. In that sense the title “A mixed-signal LED clock” is perhaps misleading since this is a digital clock from beginning to end. However, the readout is analog and since the beast had to be given […]