ModMyPi MCP23017 HAT - 32 Channel I/O Expansion HAT [Discontinued] _RPI_COOLING_CASE just a solid USB connection

just a solid USB connection

5mm Purple UVA LED

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

low power Wi-Fi with a Cryptochip for secure communication

So if you're mounting to a metal chassis

ModMyPi MCP23017 HAT - 32 Channel I/O Expansion HAT [Discontinued] _RPI_COOLING_CASE just a solid USB connectionThe 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