Hi, new here, registered and observing the same - community access is OK, but UI Flow 2 access is giving login failed.

@lishi 我CoreS3+GPSv2.1，一样的，只要loop里更新label就会闪退重启。不止是GPS，用LoRaWAN-EU868也会这样。老哥有找到原因吗？

This was Copilot's answer. Conclusion: Enabling I2C in UIFlow2 will cause the LED matrix of the Atom Matrix to stop working because it is internally disabled. This is due to a specification (or rather a limitation) of UIFlow2. The LED matrix (5×5 WS2812C) of the Atom Matrix is initialized by the DisplayEnable flag of M5.begin(). In the official documentation, it is written as follows: M5.begin(true, false, true) SerialEnable = true I2CEnable = false DisplayEnable = true In UIFlow2, when using an I2C device, I2CEnable is internally set to true, and at that time, there is a behavior where DisplayEnable is automatically turned off. This is because the internal initialization of the M5Unified series is structured in such a way that it cannot enable I2C and the LED matrix at the same time. I want UIFlow2 to be fixed so that I can use Matrix LED and I2C at the same time.

any news?

Hi guys it looks like another unfortunate regression. If I burn UIFlow2 firmware 2.4.2 onto my M5StamPLC I can control the relay and LED just fine. Unfortunately the UIFlow2 firmware source code in github repository uiflow-micropython (at the time of writing this) is still on version 2.4.2. So it's impossible to tell what has changed between 2.4.2 and 2.4.3 causing this issue. Thanks Felix

Hello everyone. I have a problem too, with UIflow 2.4.3 and Ultrasonic I2C + Atom Lite. [image: 1774900315486-8b2ea31e-d956-4c05-8862-80953514ec9b-image.png] I think there are lib problem, i m going to test with my core2.

Hi Alex, If I am understanding your question correctly you should be able to find the Demo within the M5Burner application? [image: 1773598305793-b15067aa-60f4-498d-8dca-36ac7975925a-image.png] Hope this is what you are looking for? Thanks-Brian

@robski If I set them manually in the GreenSwitch and whiteSwitch it works fine

At the end I used switches and it works. [image: 1773171278412-picture1.png]

Hello @JohnSal I think you only need to add one RGB unit but with number set to 6 instead of 3. Thanks Felix

Hello @hotellonely yes, it looks like the drop-down box needs fixing. In the mean time you can use all GPOs on the 14 pin header via some custom code blocks. I created an example in UIFlow2 Project Zone called M5CardputerAdv_ExtPin_Test_UIFlow2.4.2 Thanks Felix

Hi guys I can confirm receiving IR from Unit IR is broken for M5Core2 as well. Thanks Felix