errata

[sketchbook_andrea] / serial / analog_tx_1 / analog_tx_1.ino

diff --git a/serial/analog_tx_1/analog_tx_1.ino b/serial/analog_tx_1/analog_tx_1.ino
index 9cb5498c2a16778ff119cec8d88a3271d0e448bf..1f148fb4f8a3841fb1b641184a93a5144be6e766 100644 (file)
--- a/serial/analog_tx_1/analog_tx_1.ino
+++ b/serial/analog_tx_1/analog_tx_1.ino
@@ -19,12 +19,12 @@ void setup() {
   // initialize the digital pin as an output.
   pinMode(led, OUTPUT);       // Il PIN e' attivato come output per DEBUG
   pinMode(TX, OUTPUT);       // Il PIN e' attivato come output
-  pinMode(input, INPUT);        // Il PIN e' attivato come output
+  pinMode(input, INPUT_PULLUP);        // Il PIN e' attivato come output
 }
 
 // the loop routine runs over and over again forever:
 void loop() {
-  if (digitalRead(input) == HIGH) { // Verifica se il PIN input e' +5v
+  if (digitalRead(input) == LOW) { // Verifica se il PIN input e' +5v
     digitalWrite(led, HIGH); // Debug
     digitalWrite(TX, HIGH);
     delay(50);