# Site Feedback

**URL:** https://rpi-rgb-led-matrix.discourse.group/c/site-feedback/2.md

[Latest](https://rpi-rgb-led-matrix.discourse.group/latest.md) · [Categories](https://rpi-rgb-led-matrix.discourse.group/categories.md)

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## [About the Site Feedback category](https://rpi-rgb-led-matrix.discourse.group/t/about-the-site-feedback-category/1)

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**Author:** [@system](https://rpi-rgb-led-matrix.discourse.group/u/system)\
**Replies:** 0

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## [Waveshare RGB Full-Color LED Matrix Panel, 5mm Pitch, 64×32 Pixels](https://rpi-rgb-led-matrix.discourse.group/t/waveshare-rgb-full-color-led-matrix-panel-5mm-pitch-64x32-pixels/1175)

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**Author:** [@pch](https://rpi-rgb-led-matrix.discourse.group/u/pch)\
**Replies:** 5\
**Last updated:** [January 11, 2026, 3:12pm UTC](https://rpi-rgb-led-matrix.discourse.group/t/waveshare-rgb-full-color-led-matrix-panel-5mm-pitch-64x32-pixels/1175 "2026-01-11T15:12:29Z")

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I bought this panel and tried connecting it to my Raspberry Pi 3b, but the panel doesn’t turn on and stays black. Any suggestions? Below are some pictures of how it was connected. Thanks in advance for your help!!!

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## [Adafruit-hat-pwm](https://rpi-rgb-led-matrix.discourse.group/t/adafruit-hat-pwm/632)

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**Author:** [@sehiyuk](https://rpi-rgb-led-matrix.discourse.group/u/sehiyuk)\
**Replies:** 1\
**Last updated:** [May 2, 2023, 3:47am UTC](https://rpi-rgb-led-matrix.discourse.group/t/adafruit-hat-pwm/632 "2023-05-02T03:47:39Z")

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Dear Sir/Madam Hello, firstly thank you a lot for such a great provided code. I face a problem when switching from " -led-gpio-mapping=adafruit-hat"mood to " --led-gpio-mapping=adafruit-hat-pwm." from MOSI I get a trig…

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## [Discourse Help section](https://rpi-rgb-led-matrix.discourse.group/t/discourse-help-section/77)

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**Author:** [@jax2000](https://rpi-rgb-led-matrix.discourse.group/u/jax2000)\
**Replies:** 7\
**Last updated:** [January 14, 2022, 5:36pm UTC](https://rpi-rgb-led-matrix.discourse.group/t/discourse-help-section/77 "2022-01-14T17:36:35Z")

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I think there should be a Discourse Help section. For example, I would like to edit some previous code I uploaded,. but it is not letting me do so. What is the method?