Testing pcf8574 with arduino: 4 leds and 4 buttons with interrupt
Here a test with 4 leds and 4 buttons of pcf8574 library for Arduino, esp8266 and esp32.
https://www.mischianti.org/2019/01/02...
Here a test with 4 leds and 4 buttons of pcf8574 library for Arduino, esp8266 and esp32.
https://www.mischianti.org/2019/01/02...