Kommentarer til: PCF8574 8-Bit (I/O) Expander https://bitbyg.dk/shop/pcf8574-8-bit-i-o-expander/ Danmarks mÃ¥ske bedste priser Tue, 31 Mar 2026 18:42:16 +0000 hourly 1 Af: Gregor https://bitbyg.dk/shop/pcf8574-8-bit-i-o-expander/#comment-3219 Fri, 19 Sep 2014 09:34:56 +0000 http://arduinotech.dk/?post_type=product&p=1327#comment-3219 Jeg bruger denne PCF8574P sammen med en standard HD44780 LCD 20×4 – se linket

http://garagelab.com/profiles/blogs/tutorial-lcd-using-only-2-arduino-pins-with-pcf8574-and-i2c

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