Robotic race cars make clever use of software and infrared optics to follow lines slyly hidden on the track. Leland Teschler, Executive Editor The Overdrive starter kit we analyzed contains sections of track that can go together in various ways and can even include jumps. An interesting feature of the track is that its sections […]
linear technology
Teardown: Inside the
Teardown: The Garmin Forerunner 220 sport watch and heart monitor
Chest-mounted electronics do a more accurate job of counting heart beats than do optical sensors on the wrist. That’s one of the conclusions to come out of a close look at this sport watch aimed at runners. Leland Teschler Executive Editor A sport watch from Garmin called the Forerunner 220 is basically a runner’s watch […]
