If there is nothing connected to pin 4, where does the trash come from?
Holy cow!! There are two of you?? Digital pin 4 is the SD SPI control.
edit: My code works. Yours doesn't. Bear that in mind while you try all the alternatives. 
If there is nothing connected to pin 4, where does the trash come from?
Holy cow!! There are two of you?? Digital pin 4 is the SD SPI control.
edit: My code works. Yours doesn't. Bear that in mind while you try all the alternatives.