Ted M.
NHD StaffApplications Engineer at Newhaven Display
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Recent activity by Ted M.-
Hi ec,Please try using a higher value pull-up resistor, or try using a pull-down resistor instead.Regards,
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In order to configure the display for SPI communications, a jumper will need to be added on the R2 location on the back of the display.The P2 connection with 6 through hole solder connections will ...
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Hi Richard,This link from Ti's Processor Forum may guide you down the right path. https://e2e.ti.com/support/processors/f/791/t/468790Best Regards,
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Please double check the logic high and logic low are within the specified target ranges when using a level shifter from 3.3V to 5V. For a High, the logic level would need to be at least (0.8*VDD)....
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Hi Eashwar,Please review the example I2C code below that is written for the Arduino Mega. It uses much longer delays so it may be worth trying to increase your delay time a bit more to see if that...
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Hi Zonker,Unfortunately we do not have a standard 2x20 display with the pinout you require. If you are interested in a customized display, please contact us at nhtech@newhavendisplay.comWe are abl...
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Hi Houston,If the very top row of pixels are not being displayed, there may be a connection problem with the LCD glass to the PCB.This could be caused by some form of contamination to the LCD glass...
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Hi,The characters could be cutoff due to a poor or contaminated connection of the zebra connector strips that connect the LCD glass to the PCB contacts.Or it is also possible that the controller IC...
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Hi dql, Here is some example code we have that uses the Arduino wire.h #include <Wire.h>#define RES 0//Pin A4 = Data//Pin A5 = Clockconst unsigned char slave = 0x3C;const unsigned char com = 0;...
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Hi Ray,The NHD-0216K3Z-NSW-BBW-V3 display will support RS-232 with a 5V TTL interface.Please double check to see if the PLC is actually the 5V TTL version of RS-232.Standard RS-232 is more commonly...