From d78c18b6a3214f43635863a0c49bb35413d83306 Mon Sep 17 00:00:00 2001
From: Anthony Wang <a@exozy.me>
Date: Thu, 22 Sep 2022 15:25:34 -0400
Subject: [PATCH] Initial commit

---
 libraries/readme.txt |  1 +
 week2/main.ino       | 41 +++++++++++++++++++++++++++++++++++++++++
 2 files changed, 42 insertions(+)
 create mode 100644 libraries/readme.txt
 create mode 100644 week2/main.ino

diff --git a/libraries/readme.txt b/libraries/readme.txt
new file mode 100644
index 0000000..96ce674
--- /dev/null
+++ b/libraries/readme.txt
@@ -0,0 +1 @@
+For information on installing libraries, see: http://www.arduino.cc/en/Guide/Libraries
diff --git a/week2/main.ino b/week2/main.ino
new file mode 100644
index 0000000..87f07bc
--- /dev/null
+++ b/week2/main.ino
@@ -0,0 +1,41 @@
+#define AIN1 0
+#define AIN2 1
+
+int i = 0;
+int down0 = 0;
+int down1 = 0;
+int color = 0;
+int rate = 250;
+
+void setup() {
+  pinMode(AIN1, OUTPUT);
+  pinMode(AIN2, OUTPUT);
+  analogReadResolution(8);
+}
+
+void set_color() {
+  if (i % (2 * rate) < rate) digitalWrite(AIN1, LOW), digitalWrite(AIN2, LOW);
+  else {
+    if (color) digitalWrite(AIN1, HIGH), digitalWrite(AIN2, LOW);
+    else digitalWrite(AIN1, LOW), digitalWrite(AIN2, HIGH);
+  }
+}
+
+void loop() {
+  if (i % rate == 0) set_color(); // Toggle color
+  
+  // Make sure this is a press and the button isn't already down
+  if (analogRead(A0) > 200) {
+    if (!down0) color = !color, set_color();
+    down0 = 1;
+  }
+  else down0 = 0;
+  if (analogRead(A1) > 200) {
+    if (!down1) rate = (rate == 250 ? 500 : 250), set_color();
+    down1 = 1;
+  }
+  else down1 = 0;
+  
+  delay(1);
+  i++;
+}