HO Scale Train Schedule OLED Display – ESP32 (Code Included)

HO-scale train schedule display board

It uses a 1.14-inch TFT OLED display and is powered by an ESP32.

Features:

• Time display via a DS3231 RTC clock
• 6 lines for train information
• Automatic train list updates based on the time
• Time setting and train list editing via smartphone over Wi-Fi
• Adjustable brightness based on the time of day (dimmed in the evening and at night).

A YouTube video covers the assembly and operation of the ESP32, SPI bus, TFT display, and DS3231 RTC module.

https://youtu.be/m9jwjpFy1-Y?si=YpkJKin-qvjmALbu

Links to the ESP32 code and all necessary files can be found in the YouTube video description.

You will find all the necessary explanations there 😀

The print was produced on a Bambu Lab A1 Combo using a 0.4mm nozzle and 0.2mm layer height with standard PLA.

There were no printing issues.

For the electronics mount, supports are required for the vertical section that holds the RTC clock connector.