Organize projects in chronological order

2026-05-30 09:34:40 -04:00
parent daebe3bd49
commit 124a37a79c
22 changed files with 0 additions and 0 deletions
--- a/02-buzzers_with_transistors/buzzer-npn-lowside-switching/buzzer-npn-lowside-switching.ino
+++ b/02-buzzers_with_transistors/buzzer-npn-lowside-switching/buzzer-npn-lowside-switching.ino
@@ -0,0 +1,15 @@
+#define PIN_BUZZER_SWITCH 14
+#define PIN_BUTTON        21
+
+void setup() {
+  pinMode(PIN_BUZZER_SWITCH, OUTPUT);
+  pinMode(PIN_BUTTON, INPUT);
+}
+
+void loop() {
+  if ( digitalRead(PIN_BUTTON) == LOW ) {
+    digitalWrite(PIN_BUZZER_SWITCH, HIGH);
+  } else { 
+    digitalWrite(PIN_BUZZER_SWITCH, LOW);
+  }
+}