How One Engineer Is Using Old Cell Phones to Stop Illegal Logging (VIDEO)

By Guest Contributor Each cell phone is protected by a plastic case and powered by a small solar array. A highly sensitive microphone records the sounds of the rainforest, which is sent to the cloud to be analyzed. When it hears a chainsaw, it sends a text or email to authorities.
How One Engineer Is Using Old Cell Phones to Stop Illegal Logging (VIDEO) was originally published on CleanTechnica.
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