NeoPixelStripLowMemory

🌶️🌶️ - NeoPixel Strip WS2812 with RMT low memory

Shows how to use ESP32 RMT with an NeoPixel Strip WS2812

This sample send signal to strip with pin D5.

The sample is located here.

Connections

• GIN - Any available GPIO pin (D5 in the sample)
• GND - Ground signal
• +5V - External Power Supply 5V min 2A

Notes:

• Put resistor 400 Ohm between GIN and GPIO pin
• Join the ground of the external power supply and the GND of ESP32

Hardware requirements

• Any ESP32 hardware device running a nanoFramework image
• Led Strip NeoPixel WS2812
• External power supply 5V
• Resistor 400 Ohm
• Capacitor 1000 µF across + and - terminals external power suply

Related topics

Reference

Build the sample

1. Start Microsoft Visual Studio 2022 or Visual Studio 2019 (Visual Studio 2017 should be OK too) and select File > Open > Project/Solution.
2. Starting in the folder where you unzipped the samples/cloned the repository, go to the subfolder for this specific sample. Double-click the Visual Studio Solution (.sln) file.
3. Press Ctrl+Shift+B, or select Build > Build Solution.

Run the sample

The next steps depend on whether you just want to deploy the sample or you want to both deploy and run it.

Deploying the sample

• Select Build > Deploy Solution.

Deploying and running the sample

• To debug the sample and then run it, press F5 or select Debug > Start Debugging.

Note

Important: Before deploying or running the sample, please make sure your device is visible in the Device Explorer.

Tip: To display the Device Explorer, go to Visual Studio menus: View > Other Windows > Device Explorer.