Hi Raquel,

Thank you. Yes, You are right, I checked the serial response and found I didn't read correctly, after correction. Now I got the result 0x50 after 254/54, but I got the result 0x2b after 254/55, is it right, and I can also read customer data correctly


Thank you for your help

Hi Raquel, Thanks for your response. I have tried almost every command even "create custom character".Except several commands I mentioned before, other commands work fine. Yes, I am able to send character correctly. I can clear the screen, except it leaves me an additional character on scr...

Hi Raquel

Yes, I have tried to unlock all, then write customer data and read customer data, I get nothing. The length I read is 0.

By the way, last time I mentioned about version info(0x38) and module type( 0xB5) I got, seemed command just reverse, is it right?

Thank you.


Heather

Hi, I have done a lot of experiments about commands. I have several questions: 1. "command lock" always make my board serial port died, I have to remove LCD to power up my board then plug in LCD, why is it? 2. can I get detailed information about "setting lock" ,what it will do, ...

Hi Tory, Since I asked you yesterday, I have tried some commands, now setting startup led and startup screen command correct. now I have met a problem. when I use "display off" command, it always puts one weird character(same one) on the screen. Have I made something wrong? I just send the...

Hi Clark, Thank you very much. I will follow your instruction to try again. on the manual I get it, on chapter 5.5 changeing the startup screen, it says "Remembered Yes". I use 115200 baud speed, do I need to have some delay between commands? one of LCD I have tried is died . now it can ju...

Hi,
Can anybody give some suggestion? I didn't find instruction in manual. Is it EEPROM programing issues?


Best regards

Heather

Hi. I am working on LK204_7T_1U through serial port right now. I have met several problems. Hope to get help here. the SET commands, it is saved randomly with "SAVE REMEMBER" command. such as "Set Startup GPO state". First I enable save funciton "0xfe 0x93 0x01", then I...