sensors

Magnetic sensors tutorial

Magnetic sensors tutorial

Subscriber John Schuch writes: Threads on the MAKE forums often touch on hall effect sensors for measuring current, position, speed, etc. I just got this link in an email this morning and think it’s pretty cool. Gotta love free technical training. This is a sponsored tutorial on Digikey, sponsored by Honeywell, and promoting Honeywell’s line […]

Inside the Elphel open source camera

Inside the Elphel open source camera

LinuxDevices has published a paper that goes deep into into the open source (hardware and software) Elphel cameras: Foreword: — This paper describes the recent imaging advances by Elphel, supplier of open source (hardware and software) cameras to customers that include Google (for select Street View and book scanning projects). It should interest imaging engineers, […]

Cellphones help save you and the earth

Looking for a better reason to have that high powered phone on your hip? How about saving the world, or saving yourself? The applications are designed to change people’s behavior for the better, said Sunny Consolvo, one of UbiFit’s creators. In a three-month field experiment, people using UbiFit with the background display kept up their […]