Arduino Programming the HC-SR04 Project Parts List
Parts list for the Arduino HC-SR04 projectThis project uses surprisingly few parts over and above the Arduino Uno board and the HC-SR04 Ultrasonic sensor module. Just a mini breadboard and a few wires. You can of course use a different sized breadboard if you wish. You can examine the waveforms produced by this and other projects using an oscilloscope. If you don't have one then get a copy of my book: Sound Card Oscilloscope and build yourself some very capable test gear.
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Comments (13)
is it possible that the only working pin for Echo signal is 2?
Why can't I put it on a random digital input, since the interrupt is generated by the timer?
Juan Alberto
for my lesson i need your code .
can you send it for me please.
i observe publisher's rights, and introduce your site to my friends.
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