Thanks for your replies ! I did some investigation based on your answers and then it hit me.. I was driving the 3.3v side of the logic level shifter from Pin D25 with pinMode as 'input_pullup'.. bad idea. Moved it to normal 3.3 v pin. Now everything works smooth, first led works, dual strips.
Do you know why that was not working ?
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Thanks for your replies ! I did some investigation based on your answers and then it hit me.. I was driving the 3.3v side of the logic level shifter from Pin D25 with pinMode as 'input_pullup'.. bad idea. Moved it to normal 3.3 v pin. Now everything works smooth, first led works, dual strips.
Do you know why that was not working ?