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PCF8574T NXP SEMICONDUCTORS:Arduino,datasheet,PDF and Pinout
Category: Technology
The PCF8574T IO Expansion Board is used as remote 8-bit I/O expander for I2C-bus.Up to 8 PCF8574T IO Expansion Board can be connected to the I2C-bus, providing up to 64 I/O ports. The PCF8574T IO Expansion Board features allowing the use of multi module connected to the I2C bus at the same time by connecting the pinheader and connector. There is a small potentiometer onboard, which can adjust the backlight of LCD1602 or LCD2004, and a jumper cap to control the switch of the LED light... For more,please check this article ↓ https://www.apogeeweb.net/circuitry/pcf8574t-nxp-semiconductors-arduino-datasheet-pdf-lcd-pinout.html
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