From 21c3f2bb9d212e018b21eb62df6cffb466e5e289 Mon Sep 17 00:00:00 2001
From: John <john@arecibo.localdomain>
Date: Sat, 27 Mar 2021 12:09:21 -0400
Subject: [PATCH] adding Arduino code

---
 blinky_program/blinky_program.ino | 19 +++++++++++++++++++
 1 file changed, 19 insertions(+)
 create mode 100644 blinky_program/blinky_program.ino

diff --git a/blinky_program/blinky_program.ino b/blinky_program/blinky_program.ino
new file mode 100644
index 0000000..c62fd01
--- /dev/null
+++ b/blinky_program/blinky_program.ino
@@ -0,0 +1,19 @@
+void setup() {
+  // initialize digital pin LED_BUILTIN as an output.
+  pinMode(13, OUTPUT);
+  pinMode(12, OUTPUT);
+  pinMode(11, OUTPUT);
+  pinMode(10, OUTPUT);
+  pinMode(9, OUTPUT);
+}
+
+
+// the loop function runs over and over again forever
+void loop() {
+  delay(50); // milliseconds
+  int LED_pin = 13;
+  for (int LED_pin = 13; LED_pin >=9; LED_pin--) {
+    if (random(0, 4) >= 3) digitalWrite(LED_pin, HIGH); else digitalWrite(LED_pin, LOW);
+    //digitalWrite(LED_pin, HIGH);
+  }
+}