MicroPython Forum (Archive)

Hello, I've on my esp32 board the latest firmware micropython v1.18 here is the script I've made : from esp_ble_uart import * import machine, neopixel, time, esp32 n = 49 p = 13 np = neopixel.NeoPixel(machine.Pin(p),n) name = 'neonconnect' UUID_UART = '6E400001-B5A3-F393-E0A9-E50E24DCCA9E' UUID_TX =...

You're right. It's a mistake, I just changed it with the v1.12 firmware, and this is what I get : Traceback (most recent call last): File "<stdin>", line 9, in <module> OSError: ESP_ERR_INVALID_STATE > MicroPython v1.12 on 2019-12-20; ESP32 module with ESP32 Type "help()" for more information. >>>

Hello, I've started a project a few days ago, the aim is to control with a smartphone via bluetooth LE and an android app, that I created, a strip of leds. Everything works fine except that some leds are flashing with different colors randomly. I searched on the internet and I finally found it's a p...

Hello, I'm a beginner and I'm having a problem with my leds and esp32 : when I plugin it everything is allright during the first loop, when the 2nd loop starts there are leds that turn on randomly when they should be turned off. You can see it especially at the end of the video. Also it can't be see...

https://itechnofrance.wordpress.com/201 ... cropython/

http://docs.micropython.org/en/v1.15/es ... pixel.html

Ok, I'll take a look at it. Thanks

Ok, thanks. I found 2 programs on which you can set the brightness but it's only for red, and white color.

Hello, I'm from from France (I didn't really find a forum in French so here I am) I have an ESP32 and ws2812 led, I'd like to create a fade in/out effect with the color I want. I started a code but it doesn't work also I'm a big beginner in coding. Here is my code : import machine, time, neopixel n ...