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