ModMyPi MCP23017 HAT - 32 Channel I/O Expansion HAT [Discontinued] _RPI_COOLING_CASE Whether you want to keep

Whether you want to keep it plugged in to a screen or make it a self-standing wearable

Recommended Device list (Not included)

And it can easy to drive the mobile platform using two 1

Works even when the Pi doesn't have a headphone jack

Finger Straps for electrodes

ModMyPi MCP23017 HAT - 32 Channel I/O Expansion HAT [Discontinued] _RPI_COOLING_CASE Whether you want to keepThe MCP23017 HAT from ModMyPi is the perfect I O expansion HAT for your Raspberry Pi (any 40 pin version). The HAT features two removable MCP23017 DIP IC's, which utilise two i2c pins (which can be shared with other devices if required), and in exchange gives your Raspberry Pi an additional 32 GPIO ports! Each I O pin can be configured as an input, output or input with a pull up resistor. The MCP23017 HAT is stackable, featuring selectable i2c address