i disconnected keypad, and made the same observations as i did previously, this time testing the lines by using a wire to connect each row pin to each one of the five column pins. the same result is received by display.

Thanks,
swetha.

I am receiving 0x41,0x42,0x43,0x44,0x45 when we press keys from row 1.I am not receiving any response from the unit when we press keys from the each of the 2,3,4 rows.

hi,
i am using lk204-25e ver 2.0 module for my product. it worked fine for some days. for some reason it was misconfigured and so my module backlight was off, baud rate changed to unknown. so i put manual override jumpers then backlight is on, so i saved the required baudrate, backlight on. now it ...

what should i email to support@matrixorbital.ca ? shall i have to mail my problem what ever i have posted to the forum? what is the format for mailing?

hello
iam not getting startupscreen also

thank you for your reply.
i tried all the things that you have told before posting to the forum itself.
we are locking the display through our program but when i set manual override jumper the default values are

Brightness 255
Baud Rate 19.2 kbps
I2C Slave Address 0x50
Data Lock False ...

hi :D
we r using lk-204-25-e version 2.0 module in our product.we r using rs232 for communication.it worked fine for some days. after somedays it went blank. i am not able to see any character on the screen an backlight is on. when i tried using uproject it did not get detected.
so i placed ...