MicroPython Forum (Archive)

That's hard to tell. My experience is varying. With the ESP32 port, I have an 8 G Samsung card, which fails, and a 32 G Sandisk card, which works well, and so on. On a PyBoard, all card work well

I tested the code for WS2812 below with a Pycom device and a 24 Pixel ring. The SPI init/call might have to be adapted. It worked to some extend, but the timing is not very precise. There are gaps between the words when sending by SPI, and if these are too long, it is considered as reset. The data b...

You might have to strip off \n\r from the lines you read.
And in your example. what is the content of tmp?

Complex numbers seem to be enabled in the ESP32 build. But I never worked with them. Maybe @pythoncoder knows more. He usually reads the posts in the morning and late afternoon. I will not be able to test in on and ESP32 before tomorrow.

@pythoncoder has a fft script here: https://github.com/peterhinch/micropyth ... orithms.py
If you look around at that place, you'll find a lot of useful information.

Ît cannot be said often enough:
The documentation of Micropython is good. It is reccomended for everyone to read it COMPLETELY even twice or thrice, to have an impression, what can be expected where is what. Thanks a lot to everyone who contributed, especially Paul, Damien, and Peter.

Not at all. But I had quite a few troubles with cheap crap. Of the 6 or so generic ESP32 boards only the Sparkfun device works without problems. At that one is in the price range of a WiPy. The other five (Wemos) work more or less. Two of them required physical rework (bad soldering), another one is...

This is not a single place. There is a call to esp_get_revision() and esp_chip_info() in various places. You must change all places where esp_get_revision() and esp_chip_info() is called and hard code the '0' branch. Grep will tell you the places. The relevant files are main.c and mpthreadport.c and...

The garbage at the startup is normal. The ESP8266 boot ROM send it first messages at a baud rate of about 74800 baud.

Ok. Has the terminal program settings for flow control, which could be set to none?
b.t.w.: which terminal programndo you use? For convenience I use picocom. screen seemed overfeatured for my purpose.