Hi Everyone, Based on a request, I have put this together as a complete How-To on the ArduinoInfo.Info WIKI HERE: It looks like this: This is simple: An Arduino/YourDuino, an UltraSonic Sensor and a beeper. Example code is provided. It senses the distance to objects up to 2 M (6 feet) in front …

Handheld Low-cost Ultrasonic Sensor with Audio Output

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