leandrooriente

# How to Build a Standalone ESP32 RLCD Dashboard Firmware with Coding Agents

This guide explains the approach used to turn a host-rendered ESP32-S3-RLCD-4.2 clock/dashboard into a standalone firmware that owns the whole UI: Wi-Fi, time, weather, battery, framebuffer rendering, and LCD output.

It is written for someone who wants to do something similar, especially with AI coding agents.

## The core idea

Start from a working host/browser renderer that already knows how to draw the exact desired UI into a `400x300` 1-bit framebuffer.

leandrooriente

{
  "Key Mappings": {
    "0xf702-0x280000-0x7b": {
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      "Apply Mode": 0,
      "Action": 10,
      "Text": "b",
      "Escaping": 2
    },
    "0x7a-0x100000-0x6": {