The ESP32-S3-WROOM-1-N16R8 is a high-performance Wi-Fi and Bluetooth Low Energy (BLE) module from Espressif Systems, built around the ESP32-S3 SoC. It integrates a dual-core Xtensa® LX7 processor running at up to 240 MHz, along with 16 MB Quad SPI Flash and 8 MB Octal SPI PSRAM, making it suitable for memory-intensive embedded, IoT, AIoT, multimedia, and edge AI applications. The module includes an onboard PCB antenna, RF matching circuitry, crystal oscillator, and flash/PSRAM, simplifying hardware design and reducing development time.
Key Features
Dual-core Xtensa LX7 CPU operating up to 240 MHz
16 MB onboard Flash memory
8 MB onboard Octal PSRAM for large buffers, graphics, and AI workloads
2.4 GHz Wi-Fi (IEEE 802.11 b/g/n)
Bluetooth 5.0 Low Energy (BLE)
Built-in support for AI acceleration and vector instructions for machine learning and signal processing applications
Rich peripheral set including:
GPIO
UART
SPI
I²C
I²S
USB 2.0 OTG
PWM
ADC
Touch sensing
SD/MMC interface
CAN (TWAI)
Integrated USB Serial/JTAG debugging capability
Supply voltage range: 3.0 V to 3.6 V
Operating temperature: −40°C to +65°C
Surface-mount module with integrated PCB antenna
Supports secure boot, flash encryption, and hardware cryptographic acceleration for secure IoT devices.
Typical Applications
Smart home and IoT devices
Edge AI and machine learning
Voice assistants and speech recognition
Industrial automation
Human-machine interfaces (HMI)
Wireless sensors and gateways
Smart displays and touch panels
Audio streaming and multimedia devices
Robotics and connected products