Comments on: ESP32 with LVGL: Display DS18B20 Sensor Readings on TFT LCD (Text and Arc)

By: Mikael Jost

Mikael Jost — Sun, 25 Aug 2024 18:38:16 +0000

Do you know how I can make it so that after X seconds it changes to another screen with data from another sensor?

By: Sara Santos

Sara Santos — Mon, 19 Aug 2024 09:03:27 +0000

In reply to Mikael Jost.

Hi.
Open the User_Setup file and change the file with the pins you’re using.

I hope this helps.

Regards,
Sara

By: Mikael Jost

Mikael Jost — Sat, 17 Aug 2024 14:14:01 +0000

My ESP32 is a different model, how do I change the display’s GPIO?

By: Sara Santos

Sara Santos — Tue, 02 Jul 2024 09:29:46 +0000

In reply to Old man Bert.

Hi.
That command is used to rotate the touchscreen and not the display (the visual part of it).

One of our readers shared this solution to change the display orientation:

“the orientation of the display can be changed with lv_display_set_rotation(disp, LV_DISPLAY_ROTATION_0/90/180/270). LVGL will swap the horizontal and vertical resolutions internally according to the set degree. When changing the rotation LV_EVENT_SIZE_CHANGED is sent to the display to allow reconfiguring the hardware. In lack of hardware display rotation support lv_draw_sw_rotate can be used to rotate the buffer in the flush_cb”

However, I haven’t tried this solution yet.

Regards,
Sara

By: Old man Bert

Old man Bert — Tue, 02 Jul 2024 08:59:11 +0000

I can use the touchscreen.setRotation(3); change to touchscreen.setRotation(1); But the screen then remains upside down. The slider and buttons also no longer work. greetings from old man Bert

By: Sara Santos

Sara Santos — Sat, 29 Jun 2024 22:06:17 +0000

In reply to Ryan Sieber.

That’s great.
I hope you find our tutorials useful.
Regards,
Sara

By: Ryan Sieber

Ryan Sieber — Sat, 29 Jun 2024 15:05:04 +0000

Amazing! Just what I was looking for. I purchased a board with display over a year ago for the purposes of learning LVGL but couldn’t find basic tutorials. Thank you Sara and RNT!

By: Sara Santos

Sara Santos — Sat, 29 Jun 2024 13:58:06 +0000

In reply to Bob Wareham.

That’s great.
Thanks for your feedback.
Regards,
Sara

By: Bob Wareham

Bob Wareham — Fri, 28 Jun 2024 09:03:03 +0000

Very nice project, it looks good with this display, so bay be I will follow your tutorial and make one.
Always love your projects as you go the extra mile to explain how the code works and how to wire it all

Thanks again Bob