milesbdyson / i2c-lcd Goto Github PK
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python library for using a I2C enabled LCD screen with the Beaglebone Black
Hi,
Just saying thank you for the project. I just tried it on a Pocket Beagle and it worked fort try!!
Dave
I have a pretty standard 'out of the box' BBB with Debian 10 installed. I get the following error:-
chris@odinfb$ ./lcd_i2c.py
Traceback (most recent call last):
File "./lcd_i2c.py", line 101, in <module> main()
File "./lcd_i2c.py", line 82, in main lcd_init()
File "./lcd_i2c.py", line 35, in lcd_init lcd_byte(0x33,LCD_CMD) # 110011 Initialise
File "./lcd_i2c.py", line 53, in lcd_byte bus.write_byte(I2C_ADDR, bits_high)
OSError: [Errno 121] Remote I/O error
Running the clock.py example produces exactly the same error. I've checked the wiring pretty thoroughly and the LCD powers up OK.
What am I doing wrong? Do I have to do anything to the BBB to enable I2C? Should I be using a different image? I can move to Debian 11 easily enough.
Help! :-)
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