digraph blackbox_v1 {
	splines = ortho;
	rankdir = LR;


	node [shape = box, label = "Atmega 1284p"] mcu;
	node [shape = plaintext, label = "HC-06"] wireless_adapter;
	node [shape = plaintext, label = "ILI9341 SPI TFT LCD"] video;
	node [shape = plaintext, label = "1W 8Ohm Round Internal Magnet speaker"] audio;
	node [shape = box, label = "Phone Application"] app;
	

	mcu -> {audio, video};
	wireless_adapter -> mcu;
	app -> wireless_adapter;

}