I used a bench power supply and still the display didn't light up. Need to find the documentation for this module if it exists. Thanks for your help...

I used an inexpensive 1.28"TFT round display GC9A01. In the photos it is connected to an arduino nano. I used the code from the Waveshare wiki and f...

I have the 1.28" TFT B style LCD Round display GC9A01. It has only 7 pins. No BL pin. I have found no specific instructions to get this to work. Ha...

Maybe it's not the response you want but since I couldn't get the LiquidCystal display to work, I thought about using an OLED display. So on the work...

I have had the same problem. The link in the article to the LiquidCrystal-i2c library doesn't work. This video was made 3 years ago so things change...