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FULL TECHNICAL REVIEW LILYGO T-Encoder-Pro ESP32-S3 Rotary Encoder CHSC5816 ESP32-S3FN4R2 Circuit Board 1.2 inch AMOLED Touch Display Wireless Module

Product Introduction

The LILYGO T-Encoder-Pro ESP32-S3 is a highly integrated development board designed to address the growing demand for sophisticated human-machine interfaces in compact form factors. It uniquely combines the powerful ESP32-S3 microcontroller with a vibrant 1.2-inch AMOLED touch display and a tactile rotary encoder, offering an all-in-one solution for interactive control. This board is ideally suited for projects requiring intuitive user input and rich visual feedback, such as smart home automation panels, custom industrial controllers, or advanced IoT devices. Check out our other technical reviews for more hardware testing.

Technical Support & Resources

Sample Code For Reference:

Hardware specifications

Core Specifications: LILYGO T-Encoder-Pro ESP32-S3

  • MCU: ESP32-S3 FN4R2
  • Flash: 16MB
  • PSRAM: 8MB
  • Wireless protocol: 2.4 GHz Wi-Fi and Bluetooth 5 (LE)
  • Onboard functions: Buzzer PIN—IO17, 2 x Qwiic 4-Pin
  • Display: 1.2 inch 390 x 390 AMOLED, Driver Chip:
  • SH8601A-W14-T06, Bus Protocol: QSPI
  • Encoder/Touch: CHSC5816 Touch & Rotary Encoder,
  • Touch: I2C protocol, Encoder: left and right rotation
  • Size: 43.5 x 27.5 mm
  • USB charging: 5V 500mA
Available Versions

Available Versions & Selection Guide

Black Border, Yellow Border

Package Contents

What’s in the Box?

LILYGO® T-Encoder-Pro board, protective plastic container, foam packaging.

Features and benefits

Why I love LILYGO T-Encoder-Pro ESP32-S3

  • ESP32-S3 FN4R2 MCU: Provides robust processing power and ample memory (16MB Flash, 8MB PSRAM) for complex applications, enabling advanced UI logic and data processing without external memory constraints.
  • Integrated 1.2-inch AMOLED Touch Display: The 390×390 resolution AMOLED screen with SH8601A-W14-T06 driver and QSPI protocol offers crisp, vibrant visuals and responsive touch input, crucial for intuitive user interfaces and real-time data visualization.
  • CHSC5816 Rotary Encoder with Touch: Combines precise rotational input with additional touch functionality via I2C, allowing for versatile control schemes, from menu navigation to parameter adjustment, enhancing user interaction beyond simple button presses.
  • Wi-Fi and Bluetooth 5 (LE) Connectivity: The integrated 2.4 GHz Wi-Fi and Bluetooth 5 (LE) protocols enable seamless wireless communication for IoT applications, remote control, and data logging, making it ideal for connected projects.
  • Compact Design & Qwiic Connectors: With a small footprint (43.5 x 27.5 mm) and two Qwiic 4-Pin connectors, the board is easy to integrate into space-constrained projects and expand with a wide range of I2C sensors and modules without soldering.
Pros and Cons

Strengths & Weaknesses:

What I Like

  • — Powerful ESP32-S3 MCU with ample memory (16MB Flash, 8MB PSRAM)
  • — Vibrant and responsive 1.2-inch AMOLED touch display
  • — Integrated rotary encoder for versatile input
  • — Built-in Wi-Fi and Bluetooth 5 (LE) connectivity
  • — Compact size and Qwiic connectors for easy expansion
  • — USB charging support

Points to Consider

  • — Encoder quality can be poor, leading to screen movement and unpleasant feel (based on review)
  • — Potentially overpriced for the build quality of the encoder (based on review)
  • — No explicit package contents listed beyond the board itself (though a review mentions a container)
  • — Limited number of GPIOs exposed for general use due to integrated peripherals
Price and Availability

Where to Buy & Customer Reviews

Check Price on AliExpress (Best Value)

Find on eBay (New & Used)

As an Amazon Associate, eBay Partner, and AliExpress affiliate, I may receive compensation if you make a purchase through the links on this page at no extra cost to you. This supports my technical reviews and independent hardware testing.

User reviews

User Reviews & Feedback Analysis ⭐ 4.8 (5) | Sold (78)

Reviews LILYGO T-Encoder-Pro ESP32-S3

5 Stars 4.8

Authentic Feedback Analysis:

⭐ 5.0/5 | R***o: The new game is fantastic! The graphics are stunning and the gameplay is incredibly addictive. The storyline is engaging, and the character customization options are impressive. This is a must-play for any gamer. While the game is great, the only minor drawback is the occasional loading time, but it’s a small price to pay for such a high-quality experience.
⭐ 4.0/5 | B***o: It comes in a plastic container with foam around it. The screen looks really good and the touch works really well but the other parts have bad quality especially the encoder. When rotating the encoder the whole screen moves a bit. The encoder clicks, but sometimes it moves hard. It doesn’t feel pleasant. I don’t think it worth the price. Feels a bit overpriced.
⭐ 5.0/5 | AliExpress Shopper: Bonne
⭐ 5.0/5 | M***u: It arrived very quickly, in perfect condition, I managed to program it very quickly.
⭐ 5.0/5 | I***y: Great controller!

Pinout and Interface Map

Pinout LILYGO T-Encoder-Pro ESP32-S3

LILYGO T-Encoder-Pro PINMAP ESP32-S3 + 1.2 inch Touch AMOLED + Encoder + Buzzer

Final summary

Final Verdict: LILYGO T-Encoder-Pro ESP32-S3

The LILYGO T-Encoder-Pro ESP32-S3 stands out as a powerful and highly integrated solution for developers seeking to create interactive user interfaces. Despite some concerns regarding the physical quality of the rotary encoder, its combination of a robust ESP32-S3, a vivid AMOLED touch display, and comprehensive wireless connectivity makes it an excellent choice for advanced IoT, smart home, and custom HMI projects. For hobbyists and professionals alike who prioritize a rich visual and interactive experience in a compact form factor, this board offers significant value. The unparalleled integration of display, encoder, and powerful MCU in such a small package ultimately outweighs the minor drawbacks, making it a compelling option for innovative embedded designs. For more in-depth analyses, visit andibond.com.

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