Update README.md

README.md

@@ -8,9 +8,9 @@
 - Upload
 
 ## Long version
-## What you need
+### What you need
 
-### Arduino board
+#### Arduino board
 ATmega32U4 Arduino Board. There is two versions of ATmega32U4, IO-logic with 5V or 3.3V. Many controllers (like basic Atari-controller) doesn't include any logic, so 5V and 3.3V versions are fine. Most of controllers with some logic needs 5V (NES, SNES, Genesis) and some rare ones needs 3.3V (Gamecube). Make sure that Arduino includes USB-port. There are some versions which doesn't include USB-port and then you have to add USB-connector for it. Arduino Leonardo includes ATmega32U4, but cheapest and smallest ones are named Pro Micro. Arduino Pro Micro and ATmega32U4 are good words to use when searching from Ebay etc. Cheapest starts from about $4.
 
 Example of Arduino Pro Micro:
@@ -18,18 +18,18 @@ Example of Arduino Pro Micro:
 ![Arduino Pro Micro](https://github.com/mcgurk/Arduino-USB-HID-RetroJoystickAdapter/raw/master/Arduino_ProMicro.jpg)
 
 
-### Computer with Arduino IDE
+#### Computer with Arduino IDE
 Arduino IDE works with Windows, OS X and Linux and ARM (beta). If you use small card computer like Rasperry Pi or Orange Pi, you can program adapter even with them (tested with Orange Pi PC and RetrOrangePi 2.0). That way you don't even have to unplug adapter from your emulator/game-platform if you want reprogram adapter.
 
-### Joystick library for Arduino IDE
+#### Joystick library for Arduino IDE
 Install joystick library (instructions for installing library: todo)
 https://github.com/MHeironimus/ArduinoJoystickLibrary
 
-### Joystick(s) or gamepad(s) and way to connect them to Arduino
+#### Joystick(s) or gamepad(s) and way to connect them to Arduino
 Some joystick/gamepads uses their own connectors and original connectors can be very pricey. Sometimes you can find extension cord cheaper than plain connector and you can take cable and plug from that.
 You can use any IO-pins, but try to avoid pins 0 and 1. They are serial port TX and RX pins and even though they are not used right now, they are handy for debugging and other uses.
 
-## Setup
+### Setup
 
 Download and install Arduino IDE:
 https://www.arduino.cc/en/Main/Software
@@ -43,12 +43,12 @@ In Windows Arduino IDE shows only available com-ports. In most cases it's bigges
 Install joystick library (instructions for installing library: todo):
 https://github.com/MHeironimus/ArduinoJoystickLibrary
 
-## Code
+### Code
 This code supports Atari, SMS, NES, SNES and Genesis (3 and 6 button) controllers. Select your controller by commenting and uncommenting stuff from beginning of source code and give your IO-pin numbers.
 Every one uses same button numbering, so if you make multiple adapters for different controllers, you have to teach buttons to RetrOrangePi only once. (of course this is also handy with every other emulators and platforms than RetrOrangePi)
 
 
-### Konami code
+#### Konami code
 You can also enable or disable Konami-code-shortcut. For now it works only with Genesis 6-button controller (X+Y+Z+UP (or DOWN)) and SNES-controller (X+Y+R1+UP (or DOWN)). Some games demands that not other buttons are pressed before code and that's why only last pressed button can be button which have some function in emulator.
 
 https://en.wikipedia.org/wiki/Konami_Code