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International Journal of Creative and Open Research in Engineering and Management

A Peer-Reviewed, Open-Access International Journal Supporting Multidisciplinary Research, Digital Publishing Standards, DOI Registration, and Academic Indexing.
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ISSN: 3108-1754 (Online)
Crossref DOI: Available
ISO Certification: 9001:2015
Publication Fee: 599/- INR
Compliance: UGC Journal Norms
License: CC BY 4.0
Peer Review: Double Blind
Volume 02, Issue 05

Published on: May 2026

ESP32 LVGL STEPPER MOTOR CONTROL SYSTEM

Bhumika Kartar Yatharth Bhalerao

DOI:https://doi.org/10.55041/ijcope.v2i4.715

Article Status

Plagiarism Passed Peer Reviewed Open Access

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Abstract

This report presents the design, implementation, and evaluation of a two-node embedded system for precision stepper motor positioning controlled via a touchscreen graphical user interface (GUI). The master node — an ESP32-2432S028R (Cheap Yellow Display, CYD) — hosts an LVGL v9.1 UI on a 2.8-inch 320x240 TFT for motion setpoint entry and real-time position feedback display. The slave node is an Arduino Uno mounted with a CNC Shield v3, which provides a dedicated stepper driver socket (A4988 or DRV8825) and end-stop connector for a limit switch. The slave executes trajectory control using the AccelStepper library via the CNC Shield's pre-routed STEP/DIR signals, performs automatic homing at start-up, and streams position data over UART using ArduinoJson. The mechanical stage uses a NEMA17 stepper motor coupled to a T8 lead screw (2 mm pitch) with custom 3D-printed mounts, achieving a theoretical resolution of 0.01 mm/step in full-step mode.

Keywords: ESP32, LVGL, GUI, Arduino Uno, CNC Shield v3, A4988, DRV8825, AccelStepper, UART, JSON, ArduinoJson, Homing, T8 Lead Screw, NEMA17, PlatformIO

How to Cite this Paper

Kartar, B. & Bhalerao, Y. (2026). ESP32 LVGL Stepper Motor Control System. International Journal of Creative and Open Research in Engineering and Management, <i>02</i>(05). https://doi.org/10.55041/ijcope.v2i4.715

Kartar, Bhumika, and Yatharth Bhalerao. "ESP32 LVGL Stepper Motor Control System." International Journal of Creative and Open Research in Engineering and Management, vol. 02, no. 05, 2026, pp. . doi:https://doi.org/10.55041/ijcope.v2i4.715.

Kartar, Bhumika, and Yatharth Bhalerao. "ESP32 LVGL Stepper Motor Control System." International Journal of Creative and Open Research in Engineering and Management 02, no. 05 (2026). https://doi.org/https://doi.org/10.55041/ijcope.v2i4.715.

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References

[1] LVGL Documentation. https://docs.lvgl.io/ (accessed April 2026).

[2] Airspace Systems. AccelStepper Library. http://www.airspayce.com/mikem/arduino/AccelStepper/

[3] Benoit Blanchon. ArduinoJson Documentation. https://arduinojson.org/

[4] Bodmer. TFT_eSPI Library. https://github.com/Bodmer/TFT_eSPI

[5] Paul Stoffregen. XPT2046_Touchscreen. https://github.com/PaulStoffregen/XPT2046_Touchscreen

[6] Espressif Systems. ESP32 Technical Reference Manual. https://www.espressif.com/

[7] SquareLine Studio. LVGL UI Editor. https://squareline.io/

[8] CNC Shield v3 Schematics. https://blog.protoneer.co.nz/arduino-cnc-shield/

Ethical Compliance & Review Process

  • •All submissions are screened under plagiarism detection.
  • •Review follows editorial policy.
  • •Authors retain copyright.
  • •Peer Review Type: Double-Blind Peer Review
  • •Published on: May 07 2026
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This article is licensed under a Creative Commons Attribution-NonCommercial 4.0 International License. You are free to share and adapt this work for non-commercial purposes with proper attribution.

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