MIT News has the scoop:
To read the signal, the researchers shine a laser onto the leaf, prompting the nanotubes in the leaf to emit near-infrared fluorescent light. This can be detected with a small infrared camera connected to a Raspberry Pi, a $35 credit-card-sized computer similar to the computer inside a smartphone. The signal could also be detected with a smartphone by removing the infrared filter that most camera phones have, the researchers say.
“This setup could be replaced by a cell phone and the right kind of camera,” Strano says. “It’s just the infrared filter that would stop you from using your cell phone.”
Using this setup, the researchers can pick up a signal from about 1 meter away from the plant, and they are now working on increasing that distance.
Have an amazing project to share? Join the SHOW-AND-TELL every Wednesday night at 7:30pm ET on Google+ Hangouts.
Join us every Wednesday night at 8pm ET for Ask an Engineer!
Learn resistor values with Mho’s Resistance or get the best electronics calculator for engineers “Circuit Playground” – Adafruit’s Apps!
Maker Business — How Authority and Decision-Making Differ Across Cultures
Wearables — Perform operation
Electronics — Soldering Pointer!
Biohacking — Stretchable EEG Temporary Tattoos
No comments yet.
Sorry, the comment form is closed at this time.