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mochman / MMM-Swipe

Use two HC-SR04 sensors to detect hand "swipe" movement.
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Echo pin Voltage #3

Open Sultan91 opened 7 years ago

Sultan91 commented 7 years ago

One remark that Echo pin sends out 5V signal to the RPI's input pin. The better way to send 3.3V using voltage divider for example.

StefanMeGit commented 6 years ago

did u tried with 3.3V? Worked finde?