Update readme

Author: JCxYIS

README.md

@@ -9,15 +9,13 @@ Connect with bluetooth in Unity (Android).
 - Send/Write Message
 
 ## Demo
-<img src="https://i.imgur.com/SiCdH6U.png" style="max-height: 400px" />
-<img src="https://i.imgur.com/efwZzib.png" style="max-height: 400px" />
-<img src="https://i.imgur.com/Tw0lsmE.png" style="" />
+<img src="https://i.imgur.com/SiCdH6U.png" height="400" /> <img src="https://i.imgur.com/efwZzib.png" height="400" /> <img src="https://i.imgur.com/Tw0lsmE.png" height="400" />
 
 
 ## Notes
 
 ### AndroidManifest Permission
-These are permissions required!! You **MUST** add them to your `AndroidManifest.xml` manifest.
+These permissions are required!! You **MUST** add them to your manifest (`Plugins/Android/AndroidManifest.xml`).
 
 ```xml
     <!-- Bluetooth -->
@@ -30,7 +28,7 @@ These are permissions required!! You **MUST** add them to your `AndroidManifest.
 
 After you install the app, you may need to manually enable the permissions under android application settings.
 
-<img src="https://i.imgur.com/33vq1ev.png" style="max-height: 400px" />
+<img src="https://i.imgur.com/33vq1ev.png" height="400" />
 
 
 ## Project Stucture

UnityBluetoohArduino/README.md

@@ -0,0 +1,5 @@
+## UnityBluetooth Arduino
+
+Tested on ESP32 and Arduino UNO + HC-06
+
+On top of the code, Uncomment the define statement of the device you wanna use.

UnityBluetoohArduino/UnityBluetoohArduino.ino

@@ -1,6 +1,7 @@
-#define USE_HC0506 true  // if use HC-05/HC-06, uncomment this
-// #define USE_ESP32 true  // if use esp32, uncomment this
+#define USE_HC0506 true  // if using HC-05/HC-06, uncomment this
+// #define USE_ESP32 true  // if using esp32, uncomment this
 
+/* -------------------------------------------------------------------------- */
 
 #if USE_HC0506
 #include <SoftwareSerial.h> // HC-05/ HC-06
@@ -40,8 +41,6 @@ void loop() {
 
   // Get message from blutetooth, and print in serial
   if(bluetooth.available()) {
-    // String msg = bluetooth.readString();
-    // Serial.println("[From Bluetooth] " + msg);
     String s = bluetooth.readString();
     Serial.print("BLUETOOTH GET << " + s);
   }