ESP32-S3 Touch Map: SRS and System Design Guide
Firmware
By Indeep Sidhu
Updated Oct 26, 2026
PDF · 3.2 MB
A pocket map display. An ESP32-S3 board with a 4.3 inch touch screen draws map pictures stored on a
microSD card. Your iPhone does the work the board cannot: it reads GPS, finds the route and works out each
turn. It sends the results to the board over Bluetooth LE, and the board draws your position, the route line and
the next-turn banner on top of the map
microSD card. Your iPhone does the work the board cannot: it reads GPS, finds the route and works out each
turn. It sends the results to the board over Bluetooth LE, and the board draws your position, the route line and
the next-turn banner on top of the map
Code & supporting files
GIT Github: indiMagicMore in Firmware
FirmwareSRS - Canada Weather & Clock StationFirmware › RTOSSRS - Canada Weather & Clock StationFirmwareSafety Standards in Firmware DevelopmentFirmwareSafety Standards in Firmware DevelopmentFirmwareEmbedded Debugging Complete Guide from ScratchFirmwareEmbedded Debugging Complete Guide from ScratchFirmwareZephyr RTOS - The Advanced Engineering HandbookFirmware › RTOSZephyr RTOS - The Advanced Engineering Handbook