Drone racing is nifty as heck, and a need all races share is a way to track lap times. One way to do it is to use transponders attached to each racer, and use a receiver unit of some kind to clock ...

An Arduino library for the ST25DV64KC Dynamic NFC/RFID Tag. With this library, you can: Write WiFi credentials to the tag using your smart phone and then have your Arduino board read them via I2C Log ...

The HC-SR04 ultrasonic sensor is an affordable and super-popular sensor that measures the distance between itself and an object located in front of the sensor. Very simple to use, it returns the ...