diff --git a/hygain-ir-controller.ino b/hygain-ir-controller.ino
index bacd376..67f46bf 100644
--- a/hygain-ir-controller.ino
+++ b/hygain-ir-controller.ino
@@ -14,6 +14,7 @@ const char* password = "xxxxxxx";
 AsyncWebServer server(80);
 
 const char* input_heading = "heading";
+const char* input_memory = "memory";
 
 char headingmap[360];
 
@@ -58,43 +59,43 @@ const char index_html[] PROGMEM = R"rawliteral(
 <table cellspacing="0" cellpadding="0" align="center">
     <tbody>
         <tr>
-            <td></td><td></td><td></td><td></td><td></td><td></td><td><button type="submit" name="heading" value="A">000</button></td><td></td><td></td><td></td><td></td><td></td><td></td>
+            <td></td><td></td><td></td><td></td><td></td><td></td><td><button type="submit" name="memory" value="A">000</button></td><td></td><td></td><td></td><td></td><td></td><td></td>
         </tr>
         <tr>
-            <td></td><td></td><td></td><td></td><td></td><td><button type="submit" name="heading" value="L">345</button></td><td></td><td><button type="submit" name="heading" value="B">015</button></td><td></td><td></td><td></td><td></td><td></td>
+            <td></td><td></td><td></td><td></td><td></td><td><button type="submit" name="memory" value="L">345</button></td><td></td><td><button type="submit" name="memory" value="B">015</button></td><td></td><td></td><td></td><td></td><td></td>
         </tr>
         <tr>
-            <td></td><td></td><td></td><td></td><td><button type="submit" name="heading" value="K">330</button></td><td></td><td></td><td></td><td><button type="submit" name="heading" value="C">030</button></td><td></td><td></td><td></td><td></td>
+            <td></td><td></td><td></td><td></td><td><button type="submit" name="memory" value="K">330</button></td><td></td><td></td><td></td><td><button type="submit" name="memory" value="C">030</button></td><td></td><td></td><td></td><td></td>
         </tr>
         <tr>
-            <td></td><td></td><td></td><td><button type="submit" name="heading" value="J">315</button></td><td></td><td></td><td>N</td><td></td><td></td><td><button type="submit" name="heading" value="D">045</button></td><td></td><td></td><td></td>
+            <td></td><td></td><td></td><td><button type="submit" name="memory" value="J">315</button></td><td></td><td></td><td>N</td><td></td><td></td><td><button type="submit" name="memory" value="D">045</button></td><td></td><td></td><td></td>
         </tr>
         <tr>
-            <td></td><td></td><td><button type="submit" name="heading" value="I">300</button></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td><button type="submit" name="heading" value="E">060</button></td><td></td><td></td>
+            <td></td><td></td><td><button type="submit" name="memory" value="I">300</button></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td><button type="submit" name="memory" value="E">060</button></td><td></td><td></td>
         </tr>
         <tr>
-            <td></td><td><button type="submit" name="heading" value="H">285</button></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td><button type="submit" name="heading" value="F">075</button></td><td></td>
+            <td></td><td><button type="submit" name="memory" value="H">285</button></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td><button type="submit" name="memory" value="F">075</button></td><td></td>
         </tr>
         <tr>
-            <td><button type="submit" name="heading" value="G">270</button></td><td></td><td></td><td>W</td><td></td><td></td><td></td><td></td><td></td><td>E</td><td></td><td></td><td><button type="submit" name="heading" value="G">090</button></td>
+            <td><button type="submit" name="memory" value="G">270</button></td><td></td><td></td><td>W</td><td></td><td></td><td></td><td></td><td></td><td>E</td><td></td><td></td><td><button type="submit" name="memory" value="G">090</button></td>
         </tr>
         <tr>
-            <td></td><td><button type="submit" name="heading" value="F">255</button></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td><button type="submit" name="heading" value="H">105</button></td><td></td>
+            <td></td><td><button type="submit" name="memory" value="F">255</button></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td><button type="submit" name="memory" value="H">105</button></td><td></td>
         </tr>
         <tr>
-            <td></td><td></td><td><button type="submit" name="heading" value="E">240</button></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td><button type="submit" name="heading" value="I">120</button></td><td></td><td></td>
+            <td></td><td></td><td><button type="submit" name="memory" value="E">240</button></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td><button type="submit" name="memory" value="I">120</button></td><td></td><td></td>
         </tr>
         <tr>
-            <td></td><td></td><td></td><td><button type="submit" name="heading" value="D">225</button></td><td></td><td></td><td>S</td><td></td><td></td><td><button type="submit" name="heading" value="J">135</button></td><td></td><td></td><td></td>
+            <td></td><td></td><td></td><td><button type="submit" name="memory" value="D">225</button></td><td></td><td></td><td>S</td><td></td><td></td><td><button type="submit" name="memory" value="J">135</button></td><td></td><td></td><td></td>
         </tr>
         <tr>
-            <td></td><td></td><td></td><td></td><td><button type="submit" name="heading" value="C">210</button></td><td></td><td></td><td></td><td><button type="submit" name="heading" value="K">150</button></td><td></td><td></td><td></td><td></td>
+            <td></td><td></td><td></td><td></td><td><button type="submit" name="memory" value="C">210</button></td><td></td><td></td><td></td><td><button type="submit" name="memory" value="K">150</button></td><td></td><td></td><td></td><td></td>
         </tr>
         <tr>
-            <td></td><td></td><td></td><td></td><td></td><td><button type="submit" name="heading" value="B">195</button></td><td></td><td><button type="submit" name="heading" value="L">164</button></td><td></td><td></td><td></td><td></td><td></td>
+            <td></td><td></td><td></td><td></td><td></td><td><button type="submit" name="memory" value="B">195</button></td><td></td><td><button type="submit" name="memory" value="L">164</button></td><td></td><td></td><td></td><td></td><td></td>
         </tr>
         <tr>
-            <td></td><td></td><td></td><td></td><td></td><td></td><td><button type="submit" name="heading" value="A">180</button></td><td></td><td></td><td></td><td></td><td></td><td></td>
+            <td></td><td></td><td></td><td></td><td></td><td></td><td><button type="submit" name="memory" value="A">180</button></td><td></td><td></td><td></td><td></td><td></td><td></td>
         </tr>
     </tbody>
 </table>
@@ -117,6 +118,32 @@ const uint16_t getValueByKey(char key) {
 }
 
 
+char lookupLetter(int angle) {
+  // Adjust angle to be within 0 and 360
+  angle %= 360;
+  if (angle < 0) {
+    angle += 360;
+  }
+
+  // Define the lookup table
+  const int angles[] = {0, 15, 30, 45, 60, 75, 90, 105, 120, 135, 150, 165, 180, 
+                        195, 210, 225, 240, 255, 270, 285, 300, 315, 330, 345, 360};
+  const char letters[] = {'A', 'B', 'C', 'D', 'E', 'F', 'G', 'H', 'I', 'J', 'K', 'L', 
+                          'A', 'B', 'C', 'D', 'E', 'F', 'G', 'H', 'I', 'J', 'K', 'L', 'A'};
+
+  // Find the closest angle in the table
+  int closestAngleIndex = 0;
+  for (int i = 1; i < 26; ++i) {
+    if (abs(angles[i] - angle) < abs(angles[closestAngleIndex] - angle)) {
+      closestAngleIndex = i;
+    }
+  }
+
+  // Return the corresponding letter
+  return letters[closestAngleIndex];
+}
+  
+
 void setup() {
 
   // Start serial
@@ -167,18 +194,23 @@ void setup() {
 
   server.on("/get", HTTP_GET, [] (AsyncWebServerRequest *request) {
     String input_message;
-    String input_parameter;
+    char mem;
 
+    if (request->hasParam(input_memory)) {
+      input_message = request->getParam(input_memory)->value();
+      mem = input_message[0];
+    }
     if (request->hasParam(input_heading)) {
-      input_message = request->getParam(input_heading)->value();
-      input_parameter = input_heading;
+      int angle = request->getParam(input_heading)->value().toInt();
+      
+      char letter = lookupLetter(angle);
+      mem = letter;
     }
     else {
       input_message = "No message sent";
-      input_parameter = "none";
     }
-    Serial.println(input_message);
-    uint16_t val = getValueByKey(input_message[0]);
+    Serial.println(String(mem));
+    uint16_t val = getValueByKey(mem);
     Serial.println("IR Code: " + String(val));
     irsend.sendNEC(0x0, val, 2);
     delay(500);