Wareable's extensive review of the Polar Loop (Gen 2), including real-world testing of the design, tracking accuracy, and more.
One of the joys of browsing secondhand shops is the possibility of finding old, perhaps restorable or hackable, electronics ...
Arduino test code is run to see if the sensors are working properly, with built-in LED flashing when the sensor is triggered, and turning off when the sensor is released. The testing of the keys ...