This is a simple Windows application to control the Cart Reader without the need of an OLED screen or buttons. Files are still loaded from and saved to the SD card. ![image](https://dl.dropboxusercontent.com/s/txxlylb3kdt2mnb/crcontrol.jpg?dl=1) Configure the switches like so and use the USB port at the left side of the Arduino Mega: ![image](https://dl.dropboxusercontent.com/s/dcacw30j8fun81j/flashswitches.png?dl=1) To enable the Serial Monitor follow the instructions on flashing the Cart_Reader sketch to the Arduino as shown here: [How to flash the Arduino Code to your Cart Reader](https://github.com/sanni/cartreader/wiki/How-to-flash-the-Arduino-Code-to-your-Cart-Reader). But before you hit upload you need to change two lines in the Cart_Reader tab. ![image](https://dl.dropboxusercontent.com/s/140kgx1v79tsq9b/cartreaderoptions.jpg?dl=1)