Merge pull request #20 from angelw22/add-new-external-sensor-control

Create Lesson_6_External_Sensor_Control.ino

examples/Lesson_6_External_Sensor/Lesson_6_External_Sensor_Control.ino

@@ -0,0 +1,45 @@
+// Programmable-Air
+// Author: angelw
+// https://github.com/orgs/Programmable-Air
+//
+// This example uses an IR sensor to control when to suck, blow and vent using the Programmable Air.
+//
+// PCB v0.3/v0.4/v0.5
+
+#include "programmable_air.h"
+#include <SharpIR.h>
+
+#define DEBUG 1
+
+#define BLOWING_DIST 45
+#define SUCKING_DIST 70
+
+int distance;
+
+//Check and edit the sensor model when necessary, models supported by library: GP2Y0A41SK0F, GP2Y0A21YK0F, GP2Y0A02YK0F. https://github.com/qub1750ul/Arduino_SharpIR
+SharpIR sensor( SharpIR::GP2Y0A21YK0F, A0); 
+
+void setup() {
+  initializePins();
+  pinMode(A0, INPUT);
+}
+
+void loop() {
+  int distance = sensor.getDistance(); 
+  Serial.println( distance );
+
+  if (distance > SUCKING_DIST) {
+      switchOffPumps();
+      switchOnPump(1, 50);
+      suck();
+      //Serial.println("sucking");
+  } else if (distance > BLOWING_DIST) {
+      switchOffPumps();
+      switchOnPump(2);
+      blow(); 
+      //Serial.println("blowing");
+  } else {
+    switchOffPumps();
+    vent();
+  }
+}