Search found 2 matches

by bittailor
Tue Jan 14, 2020 9:37 pm
Forum: ESP32 Arduino
Topic: How to avoid initial flashing of common anode RGB LED
Replies: 3
Views: 5795

Re: How to avoid initial flashing of common anode RGB LED

This is the circuit I'm using:
Screenshot 2020-01-14 at 22.20.50.png

When I add a logic analyser an an additional output 19 ( as Logic 3) as trigger

pinMode(19, OUTPUT);
digitalWrite(19, HIGH);
ledcAttachPin(ledR, 1);
ledcAttachPin(ledG, 2);
ledcAttachPin(ledB, 3);
ledcSetup(1, 12000, 8 ...
by bittailor
Sun Jan 12, 2020 9:13 pm
Forum: ESP32 Arduino
Topic: How to avoid initial flashing of common anode RGB LED
Replies: 3
Views: 5795

How to avoid initial flashing of common anode RGB LED

Hi

I try to control a common anode RGB LED with ledc functions. My problem is a short initial white flash off the RGB LED on the first boot.
How could I avoid this initial white flash?

Interestingly the initial white flash does not happen after an ESP.restart(); but after it happens after a ESP ...

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