clean serial output

[Arduino] / LCD_Keypad_Shield / LCD_Keypad_Shield.ino

diff --git a/LCD_Keypad_Shield/LCD_Keypad_Shield.ino b/LCD_Keypad_Shield/LCD_Keypad_Shield.ino
index 75cd611..abf000d 100644 (file)
--- a/LCD_Keypad_Shield/LCD_Keypad_Shield.ino
+++ b/LCD_Keypad_Shield/LCD_Keypad_Shield.ino
@@ -12,9 +12,10 @@ char msgs[5][15] = {"Right Key OK ",
                     "Down Key OK  ", 
                     "Left Key OK  ", 
                     "Select Key OK" };
-int  adc_key_val[5] ={30, 150, 360, 535, 760 };
+int  adc_key_val[5] ={1, 520, 690, 770, 820 }; // max  
 int NUM_KEYS = 5;
 int adc_key_in;
+int old_adc = 0;
 int key=-1;
 int oldkey=-1;
 
@@ -34,6 +35,10 @@ void setup() {
 void loop() {
 
        adc_key_in = analogRead(0);    // read the value from the sensor  
+
+  if (old_adc != adc_key_in)
+    Serial.println(old_adc = adc_key_in);
+
   digitalWrite(13, HIGH);  
   key = get_key(adc_key_in);                   // convert into key press