Adafruit usb to gpio spi i2c breakout board adafruit 2264 p the adafruit ft232h usb breakout board is the swiss army knife for serial communications with access to spi i2c serial uart jtag and others this means your laptop or pc can talk directly to displays sensors and other devices you would normally interface to through an arduino raspberry pi or similar gadget you can also program it to have 12 x gpio lines opening more possibilities when you add all this to the adafruit pytho