Comments (1)
Hi,
try a i2c scanner and check your wiring.
Bye Renzo
from pcf8574_library.
Related Issues (20)
- PCF8574 with HC-SR04 UltraSonic Sensor HOT 5
- Low memory Read All not working HOT 3
- Wont compile at all esp32 HOT 1
- if (pcf8574.begin()) is always ko !!! HOT 2
- digitalWrite(PIN, LOW) changes all pins to LOW HOT 1
- Error when compiling. HOT 2
- Lockup on PCF8574::begin() on ESP32 due to unpaired beginTransmission() call HOT 2
- Got digitalReadAll to work, but digitalRead is not? HOT 4
- Do library examples work with ESP32 2.02 ?? HOT 8
- class PCF8574' has no member named 'pinMode' HOT 3
- Won't compile with ESP8266 DevKit 1 HOT 2
- Both digitalReadAll and digitalRead return same value for all INPUT or INPUT_PULLUP pins HOT 6
- aduino web editor HOT 2
- Raspberry Pi Pico W with multiple PCF8574 HOT 1
- problem with interrupt HOT 1
- OUTPUT SET TO HIGH DURING BEGIN HOT 3
- Compilation error: expected initializer before 'updateEncoder' HOT 3
- Couldn't initialize HOT 1
- Changing Output to Input mid program HOT 1
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