initial commit

1 files changed, 26 insertions, 0 deletions

diff --git a/firmware/firmware.ino b/firmware/firmware.ino
new file mode 100755
index 0000000..180f8e4
--- /dev/null
+++ b/firmware/firmware.ino
@@ -0,0 +1,26 @@
+float setpoint = 30.;
+float current = 0.;
+
+int heat = 12;  // pin 12
+int cool = 11;  // pin 11
+
+void setup() {
+  pinMode(cool, OUTPUT);
+  pinMode(heat, OUTPUT);
+  analogReference(INTERNAL);
+  Serial.begin(9600);
+}
+
+void loop() {
+  current = (float) analogRead(A0) * 223/1024;
+  Serial.println(current);
+  if (setpoint > current) {
+    digitalWrite(heat, HIGH);
+    digitalWrite(cool, LOW);
+  }
+  else if (setpoint < current) {
+    digitalWrite(heat, LOW);
+    digitalWrite(cool, HIGH);
+  }
+  delay(1000);
+}