esp-cpp / t-dongle-s3

Example repo for LilyGo T-Dongle S3 using esp-cpp. Based on https://github.com/Xinyuan-LilyGO/T-Dongle-S3

T-Dongle S3

This repository provides example support for the LilyGo T-Dongle S3 dev board which has:

• WiFi / BLE
• uSD card (hidden in the USB A connector!)
• RGB LED
• Color TFT LCD (ST7735, 80x160 0.96" IPS LCD)

T-Dongle S3 Pin Configuration

LED Pin	ESP32S3 IO Pin Number
Data	40
Clock	39

LCD Pin	ESP32S3 IO Pin Number
CS	4
SDA	3
SCL	5
DC	2
Reset	1
Backlight	38

TF / uSD Card Pin	ESP32S3 IO Pin Number
D0	14
D1	17
D2	21
D3	18
CLK	12
CMD	16

Cloning

Since this repo contains a submodule, you need to make sure you clone it recursively, e.g. with:

git clone --recurse-submodules [e-mail]:esp-cpp/t-dongle-s3

Alternatively, you can always ensure the submodules are up to date after cloning (or if you forgot to clone recursively) by running:

git submodule update --init --recursive

Build and Flash

Build the project and flash it to the board, then run monitor tool to view serial output:

idf.py -p PORT flash monitor

(Replace PORT with the name of the serial port to use.)

(To exit the serial monitor, type Ctrl-].)

See the Getting Started Guide for full steps to configure and use ESP-IDF to build projects.

Output