Pcf8574 arduino interrupts - Tutorial: Arduino I/O Port Expander with PCF8574
DATA SHEET Product The PCF8574 and PCF8574A versions differ only in their Interrupts which occur during the acknowledge clock pulse may be lost.
The Wire library allows you to communicate with I 2 C devices, often also called 2 wire or TWI (Two Wire Interface). Download: Wire is included with Arduino
Hello all, i've just bought a PCF8574 expansion board (i2c) and i'm wondering if is there any way to sense interrupts on expanded pins. What i'm looking for.
Video embeddedLearn how to use the I2C bus with Arduino. It's easier than you think, and when finished you can greatly expand your Arduino's capability with this knowledge.
Interrupts in general and the Int0 interrupt in particular are enabLed And enter the following program in Bascom.
A Library for the Arduino environment for Using interrupts. You may need to include another LCD library when not using the LiquidCrystalPCF8574.