HC sr04

Hi, I need to connect 6 UV senzors to Arduino. Can I connect trig pins on one pin?



sr04 multiple

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All trigs on one pin means your response pulses will also come all together. You can read all the echoes at the same time but I doubt the newPing library can do that. Also you have to make sure the signals of all sensors do not interfere as they may hear each other's echoes.