#include // instantiate with attitude #4, // and pin 4 connected to a button Mussel mussel(4, 4); void setup() { Serial.begin(115200); mussel.begin(); Serial.printf("\n\nDevice ready: %s\n", mussel.desc().c_str()); } void loop() { Serial.printf("gap:%d\n", mussel.read()); delay(1000); }