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i2c lcd_pcf8574 not working
#2
found firts problem, the right address is 0x3F... the error now is resolved but in the screen don't see any chars...
have you tested the same hardware before?
regards

found firts problem, the right address is 0x3F... the error now is resolved but in the screen don't see any chars...
have you tested the same hardware before? have to introduce some resistor in the i2c bus?
regards
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Messages In This Thread
i2c lcd_pcf8574 not working - by simdollaro - 07-17-2025, 08:33 PM
RE: i2c lcd_pcf8574 not working - by simdollaro - 07-18-2025, 05:53 AM
RE: i2c lcd_pcf8574 not working - by simdollaro - 07-18-2025, 07:11 AM
RE: i2c lcd_pcf8574 not working - by admin - 07-18-2025, 10:52 AM

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