diff --git a/src/main.cpp b/src/main.cpp
index 0be45c4..5fb7db6 100644
--- a/src/main.cpp
+++ b/src/main.cpp
@@ -14,6 +14,7 @@
 
 #include <Arduino.h>
 #include <EEPROM.h>
+#include <ctype.h>
 #include "cw.h"
 
 /* TODO:
@@ -26,7 +27,7 @@ uint8_t input_dit = 3, input_dah = 6, input_pot = A6;
 uint8_t output = 7;
 uint16_t dit = 200, dah = 500;
 uint8_t debounce = 50;
-uint16_t p_tol = 10, p_min = 50, p_max = 2000, p_buf = 0, p_cache = 0;
+uint16_t p_tol = 30, p_min = 50, p_max = 2000, p_buf = 0, p_cache = 0;
 String serial_buffer = "";
 char buf;
 
@@ -50,7 +51,7 @@ void setup() {
   dah = EEPROM.read(21);
   debug = EEPROM.read(22);
   p_buf = analogRead(input_pot);
-  adjust_length(p_buf);
+  // adjust_length(p_buf);
   log("Setup complete\n");
   log("Dit length: ");
   log(String(dit));
@@ -116,6 +117,10 @@ void process_input(String input){
   log(input);
   log("\n");
   uint16_t length = 0;
+
+  if (islower(command)){
+    command = toupper(command);
+  }
   switch(command){
   case 'S':
     key_string(input);
@@ -158,7 +163,7 @@ void key_string(String input){
       delay(dit);
     } else {
       if (debug){
-        Serial.print(" ");
+        Serial.println("");
       }
       delay(dah);
     }