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₱273.89
TCA9555/PCA9555A Module IIC/I2C GPIO Expansion Board 16CH Digital Inputs and Outputs
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Product description
TCA9555 Module,PCA9555 Module
This module uses chips TCA9555 and PCA9555 to realize I2C to GPIO conversion.
The operating voltage of TCA9555 or PCA9555A is 1.65V to 5.5V, while PCA9555 (without A suffix) is 2.3V to 5.5V.
The TCA9555 is compatible with the PCA9555A and is a direct replacement.
The TCA9555 TSSOP-24 package chip is silk-screened as PW555, and details can be found in the chip manual.
The module size is 33.5mm × 23.5mm.
J1 - J2 single row pin spacing: 800 mil (2.54mm × 8 = 20.32mm). Suitable for use with breadboards.
16 IO ports are indicated by LEDs.
LEDs are common anode design with 2k resistor to limit current; LEDs light up when IO port output is logic 0.
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