Commit c56a3d2f authored by Brandon Fan's avatar Brandon Fan 💬
Browse files

add new echo pin

parent 3942c020
......@@ -8,6 +8,7 @@ const int echoPin2 = 8;
const int trigPin3 = 5;
const int echoPin3 = 4;
const int echoPin4 = 7;
const int led1 = 11;
const int led2 = 10;
......
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