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EGYSZERŰ ROBOT】 PCF8574 PCF8574T I/O I2C IIC porthoz Interfész támogatás Lépcsőzetes kiterjesztett modul Arduino bővítőkártyához High
SIMPLE ROBOT】PCF8574 PCF8574T I/O For I2C IIC Port Interface Support Cascading Extended Module For Arduino Expansion Board High
Module function:
This is the I/O extended module, which use for I2C interface, you can use two of the module to extend 8 I/O.
Support cascading, and you can use at most 8 modules to extend 64 I/O at the same time.
Can be changed the address by set toggle switch 
PCB Size: 36 x 16mm/1.41*0.62" 
Every 2 seconds, make P0-P7 port output High level, Low level, and put 3 toggle switches to ON, the address of module is 0x27
 
 
Features:
 
I2C interface, I / O expansion module, two I / O scalability 8 I / O (up to 8 simultaneous use the PCF8574 expanded to 64 I / O)
Most important feature: 1. Supports two interface types access target board: Pin or row seat,
Support I2C bus cascade (by pin header row seat docking methods can be used simultaneously multiple I2C modules)
Typical application: I / O resource shortage MCU I / O expansion
Main resources: the PCF8574 I2C interface, 8-bit parallel
Information includes:
Test procedures (AVR, STM8, C8051F)
Circuit schematics
Related PDF data
 
 
 
 
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