Diyeeni 32 GPIO 8-bit Input & Output Expansion Module 8-bit Input & Output IO Extend Adapter Module for RPI

This module is specially designed for RPI IO expansion Modules. It can effectively solve the problem, which is for Raspberry that can't send IO port sufficiently. And module uses four 74HC595 chips to expand 32 IO ports. As shown above, the top of the module will expand the IO of RPI again that can be cascaded for more IO expansion modules to achieve theoretically unlimited expansion. Port: RPI 2*13port RPI 2*13 cascade port Q0Q31 expanded IO port Specifications: Working voltage: 2.4v5v IO voltage: 3.3v Expanded 32 unidirectional IO Connection through SPI 100 MHz( typical) out frequency 8bit serial input 8bit serial or parallel output Specified from 40C to +85C and from 40C to +125C Typical Application: Drive the lattice screen, Driver numeric display, Drive LED How to Use: Insert the module that the silk screen says 'RPI IN'. Pay attention that don't make the direction reversed. The correct direction of insert module is above the RPI's PCB; The 8*4header in the module are Q0Q31 expanded GPIO, they can connect to the peripheral through the Line. The header which near silk screen write 'EXT' expand GPIO of RPI, user can cascade the other module or the same module. Package List: 1 * GPIO Expansion Module

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