Add line
sht30.init();
straight after Wire.begin(26, 32); // Pins 19, 22 if using Atom-Mate and hats.

For the StickC and ENVII hat example it needs the following change as well.
SHT3X sht30; // Changed from SHT3X sht30(0x44, 1)

Swap the StickC library out for Atom and comment out the LCD lines, it works perfectly as well with the Atom-Lite/Atom-Matrix.

Two lines above need changed in the examples.

Yes, M5StickC (non-Plus).

With the changes above it has been perfectly robust. Happily turns on/off and stays connected to Arduino IoT Cloud.

There is an A & B pulse from each wheel.
I think you'll need to acquaint yourself with Quadrature Encoders.

A quick check to do:
Try to make two temporary but firm mechanical stops with say 100 degrees distance (not important to know the exact angle between them) and then repeatedly move the wheel between the stops. You should get the same two values (+/- 1 or 2) every time at each stop.

It works!!
Thank you for the suggestion @gavin67890!
The temperature is about 6 over and the humidity is 10% less than what my desk station is showing me, but I am glad that the hardware is ok.
Now, to inspect the Python code and see where is the problem.
0_1695909425730_20230928_164927_resize_resize.jpg

Also, one important aspect I was missing: the GitHub code was trying to read a SHT20 while the PM2.5 (K023-B) has a SHT30.

@felmue That was the problem

Thank you very much!

@alan-zhang said in SIM7080G Module speed and stability:

I've tested the SIM card from a phone and it's 1MB/s download and upload.

Your phone might be using 3g/4g/5g/LTE and not NB-Iot or Cat-M. In fact Ive never seen a phone that uses NB-Iot or Cat-M (Doesn't mean they might not exist though)

M5Stack does sell an LTE module if you want LTE speeds though.

@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