@teflon121 If you are measuring temperature in an environment where the temperature is stable such as at my desk(!) you can, for sure, just add an "offset". Just measure the ambient with a known and trusted thermometer and add or subtract this to the raw measurement. If the device is going to be subjected to a wide range of temps, then you need to see if offset is satisfactory over that range. If not...the second half of calibration is "span" which is accomplished by multiply or dividing the raw measurement. This gets fiddly and can be enjoyable like tuning a carburetor! display = raw * span + offset, or depending on characteristics of the sensor, display = (raw + offset) * span Span is usually a very low number like 1.2 or 0.98 -Terry

Hello @talktosanjay3 by default port A is for external I2C; however M5Core2 uses two dedicated GPIOs (32/33) for port A so it should be possible to use it for anything as by default external I2C is not being initialized. Can you share the code you tried? Thanks Felix

Is there UIflow support for Modbus TCP? wish to read device which sits on same network as M5Core module.

@ajb2k3 thanx for your afford, but that makes no sense. functionality will be same and just needs to be adjusted to the display. we all know that e-ink is different than lcd, so its no help pointing that out.

@wilfried Ok, that workrd. ThankYou

Hello @MatejTech correct, but in this case the reset functionality has been added programmatically by UIFlow. M5Stack did the same in the M5StickCPlus factory code. See here. Thanks Felix

Thank you @felmue !

I don't understand anymore, now it works but I changed the Libraie the same but obviously more complete. I hope it will work in time ... Thank you Felix

Un fortunately this is not advised due to lack of space in the firmware.

@felmue Hey felmue, I've managed to sort out my issue. It wasn't a power thing. I've been using PlatformIO to do my work as I'm trying to start using VSC for a number of tasks. I ended up going back to the Arduino IDE and surprise surprise the above code compiled and worked ok. So Iwent back and started looking at how I was trying to use the library in PlatformIO. Because the M5Tough library didn't appear in the usual library list, I had just copied the files in the GIT repo under the src folder into my VSC project src folder. It turns out that this works ok for some examples, but not the buttons one (I assuming it tries to reach a header file that it couldn't locate for these ones or something. Anyway, I found out how to add a third part library into PIO using CLI, started a new Tough project, and now the code works well. So in the end the problem was my lack of understanding (again!) but at least now I've learnt how PIO goes together. Thanks for the suggestions and your time, I sure you'll get another chance to try and help me in the future :) galeap.

Have you got the correct port selected for the M5StickCPlus in arduino?

Add https://espressif.github.io/arduino-esp32/package_esp32_index.json to Arduino Preferences Additional Board Manager URLs field for solving Index error: could not find referenced tool name=...