Nick Amato

I'm also having this issue, and yes it is indeed connected to /dev/ttyUSB0 EDIT: I'm using a LD20 lidar, using the drivers for LD19 seemed to do the trick, used...

Unfortunately even 10cm wires from the esp32 to hub75 still cause the ghosting/flickering. HUB75 GND is connected to ESP32 GND as well. I've ordered some wires with (hopefully) better/more secure...

Thank you for the advice, unfortunately there is still some flicker/ghosting. for reference, the esp32 I'm using is [this one](https://www.amazon.com/Teyleten-Robot-ESP-WROOM-32-Development-Microcontroller/dp/B08246MCL5/ref=sr_1_5?crid=UKMEKTEDNADI&dib=eyJ2IjoiMSJ9.9FsF1_g0F_gENoTNxylVzhlE-f5AuPRamTr33nRxSXkHnJjRSu5AAlWSq4oPIlEm15KkLnJxbhyKlbG0JZjwziCS7QhJdUS-aWBg85odsILgLhq4IvMQcsrRJanSDHJbGzFBf4Enk-U7bQeOauv8tui7zi_1yxbprg3RQr1U3zS6PXAbIIVujkHveGiqNVVkfdsvhoHGCYzY32bBA0kI8RR-InWveAY3vDawTnsW15E.M5AB_O-LzJ4_ftmaDmQBL99ud527RWO8SseBL0eW2u8&dib_tag=se&keywords=esp32%2Bdevelopment%2Bboard&qid=1743020270&sprefix=esp32%2Bdevelopment%2Bboar%2Caps%2C117&sr=8-5&th=1) which I believe is just the original esp32? I tried...

I got 5 of them, it looks like the same issue is persistent across them all. Could it be that the manufacturer just had a bad batch? Or if I...

I was actually able to get these panels to work without flickering/ghosting using an esp8266 NodeMcu and the PxMatrix library. I'm curious as to why that process works? Does an...

Is there any update on this? I tried adding #include "hal/gpio_ll.h" ; and I'm still getting the error 'GPIO' was not declared in this scope. Any help is appreciated! Edit:...