T-Encoder Pro get it now

Overview

T-Encoder Pro is a smart control knob development board based on ESP32-S3-R8 (16 MB Flash, 8 MB OPI PSRAM). Features a 2.04-inch SH8601A AMOLED display (390 × 390, QSPI), CHSC5816 capacitive touch, rotary encoder (rotation + press), buzzer, vibration motor, and 2 × QWIIC interfaces. Suitable for smart home control panels, audio equipment mixers, industrial HMI, and multimedia controllers. 43.5 × 43.5 × 27.5 mm.

Quick Start

Example Support

Example	PlatformIO/Arduino	ESP-IDF	Description
GFX	✓		Display graphics test
Lvgl_CIT	✓		Factory test
CHSC5816	✓		Touch example
Rotary_Encoder	✓		Rotary encoder example

PlatformIO

1. Install Visual Studio Code and Python
2. Search for and install the PlatformIO IDE extension in VS Code
3. Clone the T-Encoder-Pro repository
4. Open platformio.ini and under [platformio] uncomment the desired environment
5. Click ✓ to compile, click → to upload

Arduino

1. Install Arduino IDE
2. Add ESP32 boards URL: https://espressif.github.io/arduino-esp32/package_esp32_index.json
3. Copy all directories from the project libraries folder to your Arduino libraries folder
4. In Tools → Board, configure:

Arduino IDE Setting	Value
Board	ESP32S3 Dev Module
Upload Speed	921600
USB Mode	Hardware CDC and JTAG
USB CDC On Boot	Enabled
USB Firmware MSC On Boot	Disabled
USB DFU On Boot	Disabled
CPU Frequency	240 MHz (WiFi)
Flash Mode	QIO 80 MHz
Flash Size	16MB (128Mb)
Core Debug Level	None
Partition Scheme	16M Flash (3MB APP/9.9MB FATFS)
PSRAM	OPI PSRAM
Arduino Runs On	Core 1
Events Run On	Core 1

5. Click Upload

Development Platforms

1. PlatformIO
2. Arduino IDE
3. MicroPython

Video

Key Features

• ESP32-S3-R8 @ 240 MHz, 16 MB Flash, 8 MB OPI PSRAM, Wi-Fi + BT 5.0
• 2.04-inch SH8601A AMOLED (390 × 390, QSPI), CHSC5816 capacitive touch
• Rotary encoder (rotation + press), buzzer, vibration motor, 2 × QWIIC, 43.5 × 43.5 × 27.5 mm

Product Parameters

Feature	Specification
MCU	ESP32-S3-R8 @ Dual-core LX7
Flash	16 MB
PSRAM	8 MB (OPI)
Wi-Fi	2.4 GHz 802.11 b/g/n
Bluetooth	Bluetooth 5.0 LE
Display	2.04-inch SH8601A AMOLED, 390 × 390 (QSPI)
Touch	CHSC5816 Capacitive (I2C)
Encoder	Rotary encoder (rotation + press)
Buzzer	Audio feedback
Vibration Motor	Haptic feedback
USB	1 × Type-C (USB + OTG)
Expansion	2 × QWIIC 4-pin
Buttons	RESET + BOOT
Mounting Holes	3 × M2
Dimensions	43.5 × 43.5 × 27.5 mm

Pin Diagram

Pin Mapping

Name	GPIO
Display SDIO0	IO11
Display SDIO1	IO13
Display SDIO2	IO7
Display SDIO3	IO14
Display SCLK	IO12
Display RST	IO4
Display VCI EN	IO3
Display CS	IO10
Touch RST	IO8
Touch INT	IO9
Touch SDA	IO5
Touch SCL	IO6
Encoder A	IO1
Encoder B	IO2
Encoder Key	IO0
Buzzer	IO17

Dimension Diagram

Schematic

• T-Encoder-Pro V1.0 Schematic
• T-Encoder-Pro V1.0 TFT FPC Schematic

Datasheet

• ESP32-S3 Datasheet
• CHSC5816 Datasheet

Software Development

• T-Encoder-Pro GitHub Repository

Dependent Libraries

• Arduino_GFX-1.3.7
• lvgl-8.3.5
• SensorLib-0.1.4

FAQ

• Q. Why does my board keep failing to upload programs? A. Hold BOOT and press RST once, release RST while still holding BOOT, then start the upload.

• Q. What are the main application scenarios? A. Smart home control panels, audio equipment mixers, industrial HMI interfaces, multimedia controllers, and any scenario requiring precise knob control with graphical display.

• Q. How to connect external sensors? A. Connect via the two onboard QWIIC 4-pin interfaces for plug-and-play expansion of compatible modules.

Version History

Version	Release Date	Update Description
T-Encoder-Pro V1.0	2024-02-02	Initial hardware version