Search found 4 matches

by Andreas_Mainz
Mon Dec 23, 2019 9:25 pm
Forum: General Discussion
Topic: RMT based NeoPixels (WS2812B) flickers when WiFi is used
Replies: 24
Views: 41303

Re: RMT based NeoPixels (WS2812B) flickers when WiFi is used

Hello, my experience is following: 1.) level shifter is NOT needed 2.) If i use Esp8266 every thing works fine 3.) If i use Esp32 flickering starts -> Timing issue 4.) It does not depend on Wifi and BT off -> still flickering 5.) Most important ist the strip.show() function, i removed it from the co...
by Andreas_Mainz
Thu Feb 14, 2019 4:55 pm
Forum: General Discussion
Topic: about "A fatal error occurred: Failed to connect to ESP32..."error message
Replies: 7
Views: 9584

Re: about "A fatal error occurred: Failed to connect to ESP32..."error message

If the flashing works correctly you do Not need to press any buttom
by Andreas_Mainz
Wed Feb 13, 2019 9:07 pm
Forum: General Discussion
Topic: about "A fatal error occurred: Failed to connect to ESP32..."error message
Replies: 7
Views: 9584

Re: about "A fatal error occurred: Failed to connect to ESP32..."error message

Hi, i am using a Development board with ch340 usb driver Chip instead of ch2102. All my Connection problems disappered. You should also update to the latest flashtool Version.
by Andreas_Mainz
Fri Feb 08, 2019 11:31 am
Forum: General Discussion
Topic: Error using ledc_set_freq() function
Replies: 1
Views: 4634

Re: Error using ledc_set_freq() function

Hello, i had also problems with this function and you have to set the freq value carefully. If you set the value too low, the timer would overflow and this causes an function error or even SW Reset with complete CPU restart. Switch on the serial monitor to get feedback from the ledc driver. This is ...