From 8783d4f43e15d0b5497fd40b82f441e3114c40e3 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Marek=20S=2E=20=C5=81ukasiewicz?= <marek@lukasiewicz.tech>
Date: Sun, 8 Feb 2026 12:45:16 +0100
Subject: [PATCH] Add paddle sketch for Arduino

---
 paddle/paddle.ino | 27 +++++++++++++++++++++++++++
 1 file changed, 27 insertions(+)
 create mode 100644 paddle/paddle.ino

diff --git a/paddle/paddle.ino b/paddle/paddle.ino
new file mode 100644
index 0000000..d861357
--- /dev/null
+++ b/paddle/paddle.ino
@@ -0,0 +1,27 @@
+const int dot_pin = 2;
+const int dash_pin = 3;
+
+char last_state = 'X';
+
+void setup() {
+  Serial.begin(115200); 
+
+  pinMode(dot_pin, INPUT_PULLUP);
+  pinMode(dash_pin, INPUT_PULLUP);
+}
+
+void loop() {
+  char current_state = '0';
+  if (digitalRead(dot_pin) == LOW) {
+    current_state += 1;
+  }
+  if (digitalRead(dash_pin) == LOW) {
+    current_state += 2;
+  }
+  
+  if (current_state != last_state) {
+    Serial.print(current_state);
+    last_state = current_state;
+  }
+  delay(1); // Limit update rate under 1kHz
+}