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[sketchbook_andrea] / hardware / ultrasonic / ultrasonic_distance_simple / ultrasonic_distance_simple.ino

diff --git a/hardware/ultrasonic/ultrasonic_distance_simple/ultrasonic_distance_simple.ino b/hardware/ultrasonic/ultrasonic_distance_simple/ultrasonic_distance_simple.ino
index 85b5ad629ab52b9e0fa78831bdeef15a458a664a..4bb971aacccd653f4ea7dfe8f1c5034d6ecead2b 100644 (file)
--- a/hardware/ultrasonic/ultrasonic_distance_simple/ultrasonic_distance_simple.ino
+++ b/hardware/ultrasonic/ultrasonic_distance_simple/ultrasonic_distance_simple.ino
@@ -1,17 +1,20 @@
 /*
 HC-SR04 Ping distance sensor]
- VCC to arduino 5v GND to arduino GND
- Echo to Arduino pin 13 Trig to Arduino pin 12
+ VCC to arduino 5v - GND to arduino GND
+ Echo to Arduino pin 13 - Trig to Arduino pin 12
  Red POS to Arduino pin 11
  Green POS to Arduino pin 10
  560 ohm resistor to both LED NEG and GRD power rail
  More info at: http://goo.gl/kJ8Gl
  Original code improvements to the Ping sketch sourced from Trollmaker.com
  Some code and wiring inspired by http://en.wikiversity.org/wiki/User:Dstaub/robotcar
+
+Schema: http://www.instructables.com/id/Simple-Arduino-and-HC-SR04-Example/step2/Connect-the-components/
+
  */
 
-#define trigPin 8
-#define echoPin 7
+#define trigPin 12
+#define echoPin 13
 #define RED 11
 #define GREEN 10