0

I'm using Raspberry pi B+ model and Adafruit 16x2 character LCD plus keypad for raspberry pi https://learn.adafruit.com/adafruit-16x2-character-lcd-plus-keypad-for-raspberry-pi/usage I made all the steps in the guidelines when I write the final step sudo python cahr_lcd_plat.py the terminal gives me this error:

Traceback (most recent call last): File "char_lcd_plate.py", line 9, in lcd = LCD.Adafruit_charLCDPlate() File "build/bdist.linux-armv6l/egg/Adafruit_CharLCD/Adafruit_CharLCD.py", line 432, in init File "build/bdist.linux-armv6l/egg/Adafruit_GPIO/MCP230xx.py", line 150, in init File "build/bdist.linux-armv6l/egg/Adafruit_GPIO/MCP230xx.py", line 46, in init File "build/bdist.linux-armv6l/egg/Adafruit_GPIO/MCP230xx.py", line 130, in write_iodir File "build/bdist.linux-armv6l/egg/Adafruit_GPIO/I2C.py", line 95, in writelist IOError: [Errno 5] Input/output error

anyone can help me please? I2C operates on smbus[1]

Thanks

1 Answer 1

1

The error is telling you the device is not connected to the I2C bus.

I suggest you re-check your wiring and retry the script once i2cdetect -y 1 shows the device on the bus.

Your Answer

By clicking “Post Your Answer”, you agree to our terms of service and acknowledge you have read our privacy policy.

Not the answer you're looking for? Browse other questions tagged or ask your own question.