Resources


Tracking “SnailMail”

A letter-sized GPS device is being used by the U.S. Postal Service (USPS) to locate mail and determine how long it spends in one place. The GPS Letter Logger, developed by TrackingTheWorld, uses a Texas Instruments microprocessor and a GPS module to track lettersized mail packages.

A letter-s...


This article is for subscribers. Please sign up for a subscription or login below.