Programming Nextion LCD Without SD Card

Programming Nextion LCD Without SD Card © GPL3+

You can upload your design to your Nextion LCD with USB UART. No need to use an SD card. Fast and easy.

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Components and supplies

Apps and online services

About this project

Hello everyone, I bought a Nextion Touch LCD. It's nice but uploading code with an SD card? Come on...we are in 2017. Just buy a USB TTL adapter (it is cheaper than an SD card by the way) and connect 5V and Ground to your LCD, then change the RX-TX connections opposite like this:

USB ---- TTL NEXTION

  • 5V ---- 5V
  • GND ---- GND
  • RX ---- TX
  • TX ---- RX

Connect it to your PC, then open Nextion Editor and choose one of the examples:

Press the "upload" button.

Then press "GO".

And it starts to upload.

Second step: Communicate it with Arduino UNO. Check out my next project.

Schematics

Connections
Connections
20170428 094226 l5khpiksbe

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