The Unit of Screen Brightness is in percentage % The Range of Screen Brightness is 0 to 100. - Please refer to dim and dims in the Nextion Instruction Set [here] For the brightness in NITS of your Nextion device - Please refer to your Nextion model's Datasheets [here]
Note that you need to use the two characters \r and not \n Component .isbr attribute needs to be set to true. Any desired whitespace padding is done via user code.
Nextion is a 5V TTL Serial HMI device, be mindful to ensure connecting to an appropriate adapter The connection between Nextion and control device Nextion Display -------- Control Device 5V (Red) ------------------------- 5V GND (Black) ----------------------- GND TX (Blue) ------------------------ RX RX (Yellow)----------------------- TX Ensure Ground with all used devices is common. Control device: FOCA,
Please ensure Microsoft .Net 3.5 is installed