I published two videos this week.  One used the dtostrf command.  This video made me look into arrays more.   I discuss changing a dual state button based on the LED output.  I implement timers to change the LEDs on a 2.5 and 5-sec interval. When the lights change I send the current output value to the Nextion.  I also show how to change the LEDs by pressing the button on the Nextion and sending a signal to the Arduino. I then reset the timer so the LED will stay in that state for the interval configured by the Arduino.  This was a fun project to make. 

I also discuss upcoming projects and my cruise vacation I am taking this week.