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MeshCore_Info_Display

Waveshare ESP32-S3-RLCD-4.2 as a display for MeshCore routing information

Device does connect your favorite MQTT broker for MeshCore observed packets.

This repository contains:

  • The source code to compile with ESP-IDF support for a Waveshare ESP32-S3-RLCD-4.2

Hardware being used:

  • Waveshare ESP32-S3-RLCD-4.2
  • optional: LiPo 18650 battery

Network environment:

  • WLAN 2.4 GHz access (SSID / Password).
  • NTP server access.
  • MQTT client subcribed to MeshCore observer data / preferable: own MQTT broker in WLAN.
  • MQTT observer data compatible with letsmesh.net

Configuration files

  • put an 'access.json' file configured for your environment on the SD card (FAT system) for the first time.
  • optional: put the latest meshcore.db file on the SD card if available.
  • with the next boot each of this files with different file sizes on the SD card vs. the FLASH filesystem are being copied to the FLASH memory.
  • when no SD card is supplied, the device starts with its data on the FLASH file system.

Last update:

2026-08-16 (v1.50)

Source: README.md, updated 2026-08-16