rs232 with ramps/arduino need level shifter?

bigtreetech / BIGTREETECH-TFT24-V1.1

BIGTREETECH TFT24-V1.1 is a small volume ultra-clear 3D printer display board. It can work in two modes. The board is launched by the 3D printing team of Shenzhen BIGTREE Technology co., LTD. This board can replace LCD12864 for use.

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rs232 with ramps/arduino need level shifter? #39

Open tomtom25000 opened 1 year ago

tomtom25000 commented 1 year ago

Hello,

I wonder if I risk damaging the TFT with the 5V logic of the ramps/arduino card passing by RS232 connection (only touch mode).

radek8 commented 1 year ago

According to the processor specification, the pins of the serial connector are 5V tolerant.

radek8 commented 1 year ago