Overview
NULA DeepSleep ESP32-S3
The NULA DeepSleep ESP32-S3 is a low-power IoT development board built for efficiency, connectivity, and performance.
Designed around the ESP32-S3FN8 dual-core SoC, it delivers powerful computing with Wi-Fi and Bluetooth 5 (LE) connectivity while maintaining ultra-low power consumption in deep sleep.
This board is ideal for battery-powered projects, remote sensors, and IoT edge nodes that require reliable connectivity and long battery life.
It features onboard battery charging and protection, a Qwiic/STEMMA QT connector, and a compact, breadboard-friendly design.

Which products is this documentation for?

NULA DeepSleep ESP32-S3
Low-power ESP32-S3 development board with Wi-Fi, Bluetooth 5 LE, and onboard battery management.
Key Features
- Dual-Core Processor: Xtensa® LX7 CPU running up to 240 MHz
- Wireless Connectivity: Integrated 2.4 GHz Wi-Fi and Bluetooth 5 (LE)
- Ultra-Low Power Design: Deep-sleep consumption below 10 µA
- Battery Ready: Onboard Li-Ion charging circuit and JST connector
- Qwiic Connector: Plug-and-play expansion for I²C sensors and peripherals
- Compact Size: Breadboard-friendly layout for rapid prototyping
- Multiple Programming Options: Compatible with Arduino, ESP-IDF, and MicroPython
- Native USB: Full-speed USB for programming, serial, and HID interface
- Ample Memory: 8 MB Flash and 512 KB SRAM
- Security Features: Secure boot, flash encryption, and hardware crypto accelerators
- Wide Operating Voltage: 3.3 V logic with onboard 5 V regulator via USB-C
- USB-C Connector: Power and programming through a single modern port
You may also need

Qwiic cable
Qwiic (formerly easyC) compatible cables for quick sensor connections.

Li-Ion Battery 3.7 V
Rechargeable 3.7 V Li-Ion battery compatible with the NULA DeepSleep’s JST connector.