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STM32 interface with 16x2 LCD

DJ1
Associate III

‎2023-06-09 09:05 AM

I have been trying to interface STM32F401RE development board with 16x2 LCD module. I have tried making my own driver file for the same. I tried changing LCD's twice but still the same, the issue is no data is visible on the LCD . I am working on 4-bit mode for LCD interface. I have also followed a few tutorials on the same but no change. Please do guide for the same.

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10 REPLIES 10
DJ1
Associate III
In response to S.Ma

‎2023-06-11 10:05 PM

GPIO Bit bang method OK, but have you tried without SPI or I2C protocols, just using GPIO's as normal data lines. In future we might use I2C based displays but for now just this.

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