Author Topic: NHD-0216K3Z-FL-GBW-V3-C serial interface not working  (Read 2008 times)

Bobec

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NHD-0216K3Z-FL-GBW-V3-C serial interface not working
« on: July 13, 2015, 02:27:30 PM »
I hooked two of these displays up to RS232 at 9600 and get a bunch of junk characters. To test my output stream I routed the serial output to hyperterminal and the stream is correct. I tried changing the baud rate to everyone listed in the data sheet and still a bunch of junk. These displays all show evidence of once being setup, before I received them, for I2C because there is solder and flux on and around the R1 pads.

Any advise?

Saurabh_B

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Re: NHD-0216K3Z-FL-GBW-V3-C serial interface not working
« Reply #1 on: July 14, 2015, 08:49:25 AM »
I was wondering if you would be able to confirm that both R1 and R2 are open on the back of the display. Also for this display the RS232 communications are supposed to be at TTL Logic levels, can you also confirm that this is what you are using for the communication.

 

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