Comments (5)
dumpamob
commented on July 22, 2024
2
Done. Simple wiring diagram updated.
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mikkelvp
commented on July 22, 2024
Thanks!
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mikkelvp
commented on July 22, 2024
@dumpamob My LCD gets no data when going through the PCF8574. Works without PCF8574.
Am i missing something or is the PCF8574 maybe faulty?
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dumpamob
commented on July 22, 2024
The BrewUNO display was developed on a 20x4 LCD, it is recommended to use it. Possibly your problem is the address of PCF8574. In the "src" folder, open the Lcd.h file, line 12, change the 0x20 to 0x38 and upload the firmware again. Another way to find out what the PCF8574 addresses are is by loading an i2C scanner file.
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mikkelvp
commented on July 22, 2024
@dumpamob 0x38 was the correct address, thanks!
Can't get my buttons working though. I'm using these
Any suggestions?
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