Infinity Cascade GPIO Expansion Board 32 IO Extend Adapter Module For Raspberry Pi

Descriptions: This module is designed specifically for the Raspberry Pi IO expansion Modules, which can effectively solve the issue of Raspberry send IO port. Module uses four 74HC595 chips to expand 32 IO ports, the top of the module will expand the IO of Raspberry Pi again that can be cascaded for more IO expansion modules can theoretically unlimited expansion. Features: --Expanded 32 GPIO --Infinity connection for the same module --Use wiring PI API,sample code Port: --Raspberry Pi 2*13port --Raspberry Pi 2*13 cascade port --Q0-Q31 expanded IO port Product Parameters: --Working voltage:2.4v-5v --IO voltage:3.3v --Expanded 32 unidirectional IO --Connection through SPI --100 MHz (typical) shift out frequency --8-bit serial input --8-bit serial or parallel output --Specified from -40C to +85C and from -40C to +125C Typical Application: --Drive the lattice screen --Driver numeric display --Drive matrix LED How to Use: Insert the module that the silk screen says 'RPI IN'. Pay attention don't make the direction reversed. The correct direction of insert module is above the Raspberry Pi's PCB; The 8*4header in the module are Q0-Q31 expanded GPIO, they can connect to the peripheral through the Dupont Line. The header which near silk screen write 'EXT' expand GPIO of Raspberry Pi, user can cascade the other module or the same module. Package Included: 1x Raspberry pi IO expansion board

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