The ESP32-S3-PICO-1-N8R8 is a highly integrated System-in-Package (SiP) module from Espressif based on the ESP32-S3 SoC. It is designed for compact, low-power IoT applications requiring strong wireless performance, rich peripherals, and minimal external components.

This variant (N8R8) integrates 8 MB of SPI flash and 8 MB of PSRAM, making it suitable for memory-intensive applications such as AIoT, voice processing, and graphical user interfaces.

The module integrates RF circuitry, crystal oscillator, power management, and memory into a single package, significantly reducing PCB size and BOM cost while improving reliability.

⚡ Key Features

Processor & Performance

Dual-core Xtensa LX7 microprocessor Up to 240 MHz clock speed Hardware acceleration for AI/ML and vector operations

Memory

8 MB SPI Flash 8 MB PSRAM Internal SRAM for fast access tasks

Wireless Connectivity

2.4 GHz Wi-Fi 802.11 b/g/n Bluetooth 5 (LE) support Integrated RF front-end

Peripherals

GPIO, SPI, I2C, UART, ADC, PWM USB 1.1 OTG support RMT, I2S, SD/MMC interface Touch sensor support

Power & Efficiency

Low-power sleep modes for battery-powered devices Integrated power management circuitry (SiP-level integration) Wide operating voltage: 3.0V – 3.6V

Integration Advantages

Built-in crystal oscillator Integrated RF matching components Reduced external component count (SiP design) Compact footprint for space-constrained designs 📌 Typical Applications Smart home devices IoT sensors and controllers Voice-enabled AI devices Wearables HMI (Human Machine Interface) Industrial monitoring systems