Monday, January 25, 2021

ESP32 drive NeoPixel using Adafruit_NeoPixel library

ESP32 (ESP32-DevKitC V4) code in Arduino Framework to drive a 8X NeoPixel Ring using Adafruit_NeoPixel library simple example.

In Arduino IDE library manager, install Adafruit_NeoPixel library.

Open Example > Adafruit_NeoPixel > simple

Edit PIN on the Arduino is connected to the NeoPixels, and number of NeoPixels are attached.

 Connect NexPixel to ESP32 accordingly, verify and upload your code to run:

Note that if you assign PIN to a wrong pin, such as input only. Error message will be output to Serial:

~ more examples of ESP32-DevKitC V4

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