Hi guys! I have a display is RM68090 from China phone.
He has 29 pin. Hooked up to Arduino Nano pasted programming initialization and have result:
Initializing LCD...
Reading ID...0x0000
Loading LCD registers...
Filling the screen...
Done filling...
If your screen filled red, you may be able to use the library at http://misc.ws
What needed to start this display?
All controllers operate at 2.8V to 3.3V. You will damage it with 5V from a Nano.
If you connect it with the correct voltages I will help you get it running.
It is not a Raydium RM68090
David.
david_prentice:
All controllers operate at 2.8V to 3.3V. You will damage it with 5V from a Nano.If you connect it with the correct voltages I will help you get it running.
It is not a Raydium RM68090
David.
David. I'm connected to 3.3 v pin and display backlight powered by a laboratory power supply.
A Nano has 5V GPIO. It will damage the controller.
Use a proper 3.3V board like Zero, Due, Nucleo, ...
I use a Uno clone with switchable 3V/5V e.g. Open-Smart or Seeed Studio
David.
david_prentice:
Use a proper 3.3V board like Zero, Due, Nucleo, ...David.
I don't have Zero and other in my city. I'm need buying it from AliExpress or other. No way to run from Nano?
Yes, you can run it from a Nano. Just use thirteen level shifters.
david_prentice:
Yes, you can run it from a Nano. Just use thirteen level shifters.
I bad understand English. It's a connected from resistors? Or not? If can show picture it's like.
It's like that