Espressif Systems ESP32­-S3-­MINI Module

Espressif Systems ESP32­-S3-­MINI Module

Espressif Systems ESP32-­S3­-MINI Module is a powerful, generic Wi-Fi® + Bluetooth® LE MCU module that features a rich set of peripherals. This module offers 2.4GHz Wi-Fi® (802.11 b/g/n) and Bluetooth® 5 (LE) built around the ESP32-S3 series. The ESP32-S3­-MINI module features SoCs, Xtensa® dual­ core 32­bit LX7 microprocessor, flash up to 8MB, and optional 2MB PSRAM in a chip package. This module operates at a -40ºC to 105°C ambient temperature range for the 105°C version and -40ºC to 85°C for the 85°C version. This module is ideally used in embedded systems, smart homes, and wearable electronics.


  • CPU and On-­Chip memory:
    • 384KB ROM
    • 512KB SRAM
    • 16KB SRAM in RTC
    • Up to 8MB Quad SPI flash
    • 2MB PSRAM (ESP32-S3FH4R2 only)
  • Wi-­Fi:
    • 802.11 b/g/n
    • 802.11n up to 150Mbps bit rate
    • 0.4µs guard interval support
    • 2412MHz to 2484MHz center frequency range
  • Bluetooth:
    • Advertising extensions
    • Multiple advertisement sets
    • 125Kbps, 500Kbps, 1Mbps, and 2Mbps speed
  • Peripherals
  • Antenna options:
    • On-board PCB antenna (ESP32-S3-MINI-1)
    • External antenna via a connector (ESP32-S3-MINI-1U)

more information:

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Mike is the founder and editor of, an electronics engineering community/news and project sharing platform. He studied Electronics and Physics and enjoys everything that has moving electrons and fun. His interests lying on solar cells, microcontrollers and switchmode power supplies. Feel free to reach him for feedback, random tips or just to say hello :-)

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