# LILYGO ESP32-S2 WOOR

> Compact ESP32-S2-WROOM module-based development board with 4MB Flash, 320KB SRAM, native USB OTG, WiFi 802.11 b/g/n, onboard LiPo charging, and BOOT/RESET buttons for USB HID and IoT prototyping.

## Quick Facts

- **Brand:** LILYGO
- **Board Type:** ESP32-S2
- **Price:** ~$5.99
- **Product Readiness:** developer
- **CPU:** ESP32-S2-WROOM
- **CPU Architecture:** Xtensa LX7 single-core
- **CPU Cores:** 1
- **RAM:** 320KB
- **Flash:** 4MB
- **USB:** USB-C (native USB OTG)
- **Power:** 5V + LiPo
- **Operating Voltage:** 3.3V
- **Battery:** LiPo (user-supplied, 1.25mm JST)
- **Antenna:** Built-in PCB antenna

## Connectivity

- **Wifi:** 802.11 b/g/n

## Open Source

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

## Compatible Firmware

arduino, micropython, platformio

## Use Cases

- iot
- smart-home
- environmental-monitoring
- smart-switch

## Components

- **ESP32-S2-WROOM** (mcu): ESP32-S2-WROOM module with single-core Xtensa LX7, 4MB Flash, native USB OTG, and WiFi. — [Datasheet](https://openhardware.directory/r?to=https%3A%2F%2Fwww.espressif.com%2Fsites%2Fdefault%2Ffiles%2Fdocumentation%2Fesp32-s2_datasheet_en.pdf&ref=openhardware.directory&product=lilygo-esp32-s2-woor&source=md-export)
- **LiPo Charger** (battery-charger): Onboard LiPo charger with 500mA charging current and 3.7–4.2V battery input. — [Datasheet](https://openhardware.directory/r?to=https%3A%2F%2Fdatasheet.lcsc.com%2Fszlcsc%2FTP4054_C16680.pdf&ref=openhardware.directory&product=lilygo-esp32-s2-woor&source=md-export)

## Protocols

- **UART**
- **SPI**
- **I2C**
- **I2S**

## Description

## Overview

The LILYGO ESP32-S2 WOOR is a development board based on the Espressif ESP32-S2-WROOM module, featuring the single-core Xtensa LX7 processor with native USB OTG support. It provides 4MB Flash and 320KB SRAM, along with WiFi 802.11 b/g/n connectivity. The board operates at 2.7V–3.6V with USB 5V input and 500mA LiPo charging current via a 3.7–4.2V battery connector. A 32.768KHz crystal oscillator provides accurate timekeeping for RTC applications. BOOT and RESET buttons plus an SMD DIP switch are provided for firmware and configuration control. This board is ideal for low-cost ESP32-S2 prototyping, USB peripheral projects, and battery-powered WiFi IoT nodes.

## Where to Buy

- [LILYGO Official](https://openhardware.directory/r?to=https%3A%2F%2Flilygo.cc%2Fproducts%2Fesp32-s2-woor&ref=openhardware.directory&product=lilygo-esp32-s2-woor&source=md-export) — $5.99

## Resources

- [product](https://openhardware.directory/r?to=https%3A%2F%2Flilygo.cc%2Fproducts%2Fesp32-s2-woor&ref=openhardware.directory&product=lilygo-esp32-s2-woor&source=md-export)
- [github](https://openhardware.directory/r?to=https%3A%2F%2Fgithub.com%2FXinyuan-LilyGO%2FESP32_S2&ref=openhardware.directory&product=lilygo-esp32-s2-woor&source=md-export)

## Tags

`esp32-s2`, `esp32-s2-wroom`, `usb-hid`, `development-board`, `iot`, `arduino`, `micropython`, `wifi`

## Images

![LILYGO ESP32-S2 WOOR](https://nbg1.your-objectstorage.com/openhardware-directory/entities/lilygo-esp32-s2-woor/1917928743e7.jpg)
![LILYGO ESP32-S2 WOOR](https://nbg1.your-objectstorage.com/openhardware-directory/entities/lilygo-esp32-s2-woor/4ded845f5ec0.jpg)
![LILYGO ESP32-S2 WOOR](https://nbg1.your-objectstorage.com/openhardware-directory/entities/lilygo-esp32-s2-woor/dfe6aad6a550.jpg)
![LILYGO ESP32-S2 WOOR](https://nbg1.your-objectstorage.com/openhardware-directory/entities/lilygo-esp32-s2-woor/e8b0f455883c.jpg)
![LILYGO ESP32-S2 WOOR](https://nbg1.your-objectstorage.com/openhardware-directory/entities/lilygo-esp32-s2-woor/4ea71d2490ad.jpg)
![LILYGO ESP32-S2 WOOR](https://nbg1.your-objectstorage.com/openhardware-directory/entities/lilygo-esp32-s2-woor/aa15f39401df.png)

> **Battery Powered:** Li-Po

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