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Ultrasonic Arduino-to-Arduino Communication

Reading Time: 2 minutes Ultrasonic Arduino-to-Arduino Communication Arduino Team — June 1st, 2018 In the video below, Brazilian maker Eduardo Zola shows us that you don’t necessarily need radio waves to pass messages between Arduino boards; instead, he’s using ultrasonics.  Zola’s setup features TX and RX transducers desoldered from an HC-SR04 module along with a pair of Unos to transmit text […]