diff --git a/controller_teensy/src/main.cpp b/controller_teensy/src/main.cpp
index 985087f..994a1e4 100644
--- a/controller_teensy/src/main.cpp
+++ b/controller_teensy/src/main.cpp
@@ -1,5 +1,15 @@
 #include <Arduino.h>
 
+
+/*
+Connections:
+Tennsy Pin, Pin Name, Connected to
+10, Tx2, Hoverboard RX(Green)
+9, Rx2, Hoverboard TX(Blue)
+8, Tx3, Hoverboard RX(Green)
+7, Rx3, Hoverboard TX(Blue)
+*/
+
 // ########################## DEFINES ##########################
 #define SERIAL_CONTROL_BAUD   115200       // [-] Baud rate for HoverSerial (used to communicate with the hoverboard)
 #define SERIAL_BAUD         115200      // [-] Baud rate for built-in Serial (used for the Serial Monitor)
@@ -13,6 +23,8 @@
 const uint16_t calib_throttle_min = 350;
 const uint16_t calib_throttle_max = 810;
 
+#define PIN_LED_START TODOOOOO //Enginge start led
+
 
 unsigned long last_send = 0;
 unsigned long last_receive = 0;