This repository aims to document everything from the Nextion ecosystem. File formats, protocols, ...

• File Formats
  • HMI (Source file) - TBD
  • TFT (Compiled binary)
  • ZI (Font) - TBD
• Protocols
  • Full Instruction Set (includes all the useful instructions the official NIS doesn't tell you about)
  • Upload Protocol v1.2 (allows skipping)

• TFTTool. Python script that allows modifying TFT files (like changing from Nextion to TJC). Also allows a very rudimentary parsing of the content.
• Nexus - Nextion Upload Script. the reference implementation of the upload protocol v1.2.
• Nextion TFT Uploader - C# project using v1.0 of the upload protocol.
• Nextion Font Editor. Full documentation of the Nextion .zi font files and a handy tool for modifying them.