That gave him an SR04 that worked with the single-pin based library. We’ve seen Parallax PING projects for sensing water depth and to generate music. These could be hacked to use the HC-SR04 using ...
This is an Arduino-based Proximity Sensor circuit wired using the popular HC-SR04 Ultrasonic ranging module,used here for non-contact object detection purpose. The HC-SR04 module includes ultrasonic ...
If you have a good sense of balance, you can ride a unicycle or get on TV doing tricks with ladders. We don’t know if [Hanna Yatco] has a good sense of balance or not, but we do know her Arduino does.
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