From 52f2260c5375fdc7a2e99da68be85e7f24848bc0 Mon Sep 17 00:00:00 2001
From: Luca Tringali <tringalinvent@libero.it>
Date: Sat, 15 Feb 2020 23:22:04 +0100
Subject: Ultime lezioni

---
 5-microfono-relay.ino | 27 +++++++++++++++++++++++++++
 1 file changed, 27 insertions(+)
 create mode 100644 5-microfono-relay.ino

(limited to '5-microfono-relay.ino')

diff --git a/5-microfono-relay.ino b/5-microfono-relay.ino
new file mode 100644
index 0000000..83fe599
--- /dev/null
+++ b/5-microfono-relay.ino
@@ -0,0 +1,27 @@
+int sensorPin = A0; //KY-038 microphone
+int relay = 13; 
+int sensorValue = 0;
+bool on = false;
+
+void setup () 
+{
+  pinMode (relay, OUTPUT);
+  digitalWrite (relay, LOW);
+  Serial.begin (9600);
+}
+ 
+void loop () 
+{
+  sensorValue = analogRead (sensorPin);
+  Serial.println (sensorValue, DEC);
+  if (sensorValue > 500) {
+    /*if (on == true) {
+      on = false;
+    } else {
+      on = true;
+    }*/
+    on = !on;
+  }
+  digitalWrite (relay, on);
+  delay(100);
+}
\ No newline at end of file
-- 
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