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Topics - camac881

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Character LCDs / NHD-0420D3Z-FL-GBW-3V Dropping characters over I2c
« on: November 11, 2014, 02:05:13 PM »
Hello All,
  I saw the other posts about losing characters over I2c due to firmware issues and tried the same fix by slowing it down. It has gotten better but I'm still dropping the occasional character. I am running the screen from an Arduino Uno and displaying data from an SPI A/D converter.

 My question is what is the correct way to code a speed correction for the Arduino? The line I'm using now is
#define TWI_FREQ = 100000L / 6; Is that correct?

Thanks,
Cam

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