# LILYGO T-Touch Bar

> ESP32-S3 touch-sensitive bar display board with 8MB PSRAM, 16MB Flash, Wi-Fi, and Bluetooth 5, available in LED and AMOLED display variants for building custom HMI panels, smart home controls, and interactive displays.

## Quick Facts

- **Brand:** LILYGO
- **Board Type:** ESP32-S3
- **Price:** ~$25.5
- **Product Readiness:** developer
- **CPU:** ESP32-S3R8 Xtensa LX7 Dual-core
- **CPU Architecture:** Xtensa LX7
- **CPU Cores:** 2
- **PSRAM:** 8MB
- **Flash:** 16MB
- **USB:** USB-C
- **Power:** 5V
- **Operating Voltage:** 3.3V
- **Antenna:** Built-in PCB antenna
- **Display:** AMOLED

## Connectivity

- **Wifi:** 802.11 b/g/n
- **Bluetooth:** Bluetooth 5.0 + Mesh

## Open Source

- **Firmware:** Yes
- **Schematics:** No
- **PCB Layout:** No

## Compatible Firmware

arduino, platformio

## Use Cases

- smart-home-dashboard
- smart-home
- smart-home-dashboard
- digital-signage
- remote-control

## Components

- **ESP32-S3R8** (mcu): Dual-core Xtensa LX7 240MHz with 8MB PSRAM, Wi-Fi and Bluetooth 5 — [Datasheet](https://openhardware.directory/r?to=https%3A%2F%2Fwww.espressif.com%2Fsites%2Fdefault%2Ffiles%2Fdocumentation%2Fesp32-s3_datasheet_en.pdf&ref=openhardware.directory&product=lilygo-t-touch-bar&source=md-export)

## Protocols

- **I2C**
- **SPI**
- **UART**

## Description

## Overview

The LILYGO T-Touch Bar is an ESP32-S3R8-based development board in a slender bar form factor featuring capacitive touch input and either an LED display or an AMOLED display variant. Powered by the dual-core Xtensa LX7 MCU at 240MHz with 8MB PSRAM and 16MB Flash, the board connects via Wi-Fi and Bluetooth 5 with BT Mesh support. It includes a battery detection pin on IO02 for battery-powered projects. The LED variant (H612) is priced at $25.50 and the AMOLED variant (H621) at $28.90. Both are compatible with Arduino IDE and VS Code, making them suitable for custom HMI interfaces, smart panels, media controls, and interactive bar-style displays.

## Where to Buy

- [LILYGO](https://openhardware.directory/r?to=https%3A%2F%2Flilygo.cc%2Fproducts%2Ft-touch-bar&ref=openhardware.directory&product=lilygo-t-touch-bar&source=md-export) — $25.50

## Resources

- [product](https://openhardware.directory/r?to=https%3A%2F%2Flilygo.cc%2Fproducts%2Ft-touch-bar&ref=openhardware.directory&product=lilygo-t-touch-bar&source=md-export)
- [github](https://openhardware.directory/r?to=https%3A%2F%2Fgithub.com%2FXinyuan-LilyGO%2FT-Touch_Bar&ref=openhardware.directory&product=lilygo-t-touch-bar&source=md-export)
- [datasheet](https://openhardware.directory/r?to=https%3A%2F%2Fwww.espressif.com%2Fsites%2Fdefault%2Ffiles%2Fdocumentation%2Fesp32-s3_datasheet_en.pdf&ref=openhardware.directory&product=lilygo-t-touch-bar&source=md-export)

## Tags

`esp32-s3`, `touch`, `amoled`, `led-display`, `hmi`, `smart-panel`, `wifi`, `bluetooth`, `development-board`

## Images

![LILYGO T-Touch Bar](https://nbg1.your-objectstorage.com/openhardware-directory/entities/lilygo-t-touch-bar/df4cc1bfc209.jpg)
![LILYGO T-Touch Bar](https://nbg1.your-objectstorage.com/openhardware-directory/entities/lilygo-t-touch-bar/eeec632fee32.jpg)
![LILYGO T-Touch Bar](https://nbg1.your-objectstorage.com/openhardware-directory/entities/lilygo-t-touch-bar/9b226d320e98.jpg)
![LILYGO T-Touch Bar](https://nbg1.your-objectstorage.com/openhardware-directory/entities/lilygo-t-touch-bar/aafca96d7667.jpg)
![LILYGO T-Touch Bar](https://nbg1.your-objectstorage.com/openhardware-directory/entities/lilygo-t-touch-bar/180fd5772546.jpg)
![LILYGO T-Touch Bar](https://nbg1.your-objectstorage.com/openhardware-directory/entities/lilygo-t-touch-bar/aa15f39401df.png)

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