# Generating visual code for ws2812b using Node Red

**URL:** <https://discourse.nodered.org/t/generating-visual-code-for-ws2812b-using-node-red/74568>\
**Category:** General\
**Tags:** node-red-dashboard, node-red-contrib-image-tools\
**Created:** [1 February 2023 19:15 UTC](https://discourse.nodered.org/t/generating-visual-code-for-ws2812b-using-node-red/74568 "2023-02-01T19:15:02Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![sefaguntepe](https://sea2.discourse-cdn.com/flex026/user_avatar/discourse.nodered.org/sefaguntepe/32/94497_2.png) [@sefaguntepe](https://discourse.nodered.org/u/sefaguntepe)\
**Post date:** [1 February 2023 19:15 UTC](https://discourse.nodered.org/t/generating-visual-code-for-ws2812b-using-node-red/74568/1 "2023-02-01T19:15:03Z")

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Hello,

I have an area of 17x17 pixels by creating a matrix with ws2812b. As you know, we use the following format to add images to the code. My purpose: I want to upload the image via NodeRed and send the relevant HEX codes to my arduino board via MQTT or websocket. Any suggestions?

 ![image](https://us1.discourse-cdn.com/flex026/uploads/nodered/original/3X/4/2/4284422a08e28397a472c11ebf7ac3b55fbdbbf8.png)

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**Author:** ![system](https://us1.discourse-cdn.com/flex026/uploads/nodered/original/1X/d073cd938eafa2e558d7c2cd59003b3ef4963033.png) [@system](https://discourse.nodered.org/u/system)\
**Post date:** [2 April 2023 19:15 UTC](https://discourse.nodered.org/t/generating-visual-code-for-ws2812b-using-node-red/74568/2 "2023-04-02T19:15:39Z")

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