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PCF8574T Introduction - Printable Version +- OpenMarine (https://forum.openmarine.net) +-- Forum: OpenPlotter (https://forum.openmarine.net/forumdisplay.php?fid=1) +--- Forum: General discussion (https://forum.openmarine.net/forumdisplay.php?fid=2) +--- Thread: PCF8574T Introduction (/showthread.php?tid=3618) |
PCF8574T Introduction - MARTIN WHITE - 2021-09-06 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... If you want to get more information about it,please read this article: PCF8574T RE: PCF8574T Introduction - MARTIN WHITE - 2021-09-18 https://www.apogeeweb.net/circuitry/pcf8574t-nxp-semiconductors-arduino-datasheet-pdf-lcd-pinout.html |