Split-Flap Departure Board Display
A miniature train station departure board simulator. The 250x150x80mm display uses servo-driven split-flap modules showing scrolling destinations and times. Mechanical clicking sound. WiFi control for custom messages. Realistic airport/train station ambiance for desk or wall. This departure board project is perfect for makers, DIY enthusiasts, and electronics hobbyists. Search volume: 880/month.
All parts, CAD, wiring, and firmware generated by Modo AI Hardware Builder with human direction.
—Validated fit
—Electrical OK
—Assembly ready
Parts List
| Part | Why | MPN | Qty | |
|---|---|---|---|---|
| ESP32-S3 WiFi MCU Espressif Systems |
Main microcontroller providing WiFi control capability for remote message updates and servo control for split-flap modules | ESP32-S3 |
1 | |
| Micro Servo SG-90 Gearbox Labs |
Servo motors to drive individual split-flap display modules for mechanical flipping action | PART MICRO SERVO SG-90 ANALOG |
8 | |
| Dual Motor Driver Texas Instruments |
Motor drivers to control multiple servo motors for split-flap display modules | DRV8833PWPR |
2 | |
| 5V Switching Regulator Texas Instruments |
Step-down regulator to provide 5V power for servo motors from wall adapter | LM2596S-5.0/NOPB |
1 | |
| 3.3V Linear Regulator Texas Instruments |
Linear regulator to provide clean 3.3V power for ESP32 and control circuits | LM1117MPX-3.3/NOPB |
1 | |
| Power Switch C&K |
Main power switch for desktop device control | OS102011MS2QN1 |
1 | |
| Piezo Buzzer Mallory Sonalert Products Inc. |
Generates mechanical clicking sound for realistic train station ambiance | PB-1226PEAQ |
1 |
7 unique parts, 15 total components