commit 55306caabe7f84cfe5e903d8101240a1bb6c3f29
Author: my name <ra.coffa@eclipso.eu>
Date:   Tue Aug 25 03:39:32 2026 +0200

    IC, blinking internal led

diff --git a/sketch_may4a_espinternled/sketch_may4a_espinternled.ino b/sketch_may4a_espinternled/sketch_may4a_espinternled.ino
new file mode 100644
index 0000000..242b4a1
--- /dev/null
+++ b/sketch_may4a_espinternled/sketch_may4a_espinternled.ino
@@ -0,0 +1,21 @@
+#define LED 2
+
+void setup() {
+  // Set pin mode
+  pinMode(LED,OUTPUT);
+}
+
+void blinkled(uint8_t myled, int duration) {
+  digitalWrite(myled,HIGH);
+  delay(duration);
+  digitalWrite(myled,LOW);
+}
+
+void loop() {
+  blinkled(LED, 500);
+  delay(500);
+  blinkled(LED, 250);
+  delay(250);
+// you can set the delay time by adjusting the parameter of delay();
+
+}