[Discontinued] SainSmart Infinity Cascade GPIO Expansion IO Extend Adapter Module for Raspberry
£7.00
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101-40-131
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Description
DESCRIPTION
This module is designed specifically for the Raspberry Pi IO expansion Modules,which can effectively solve the Raspberry send IO port insufficient.Module uses four 74HC595 chips to expand 32 IO ports.As shown above, 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.
FEATURE
- 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
SPECIFICATION
- 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.
DOCUMENT
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