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NanoS3 - ESP32-S3

by Unexpected Maker

NanoS3 is the world’s smallest, fully-featured ESP32-S3 module!

It's packed with amazing features and peripherals, wireless connectivity and stacks of Flash and PSRAM, all in the same tiny package size as the original TinyPICO Nano, and it's drop in compatible too!

Note that this module is designed for embedded use - for a standalone board with USB-C check out TinyS3 or the mighty ProS3!

Features

  • Dual 32bit Xtensa LX7 cores @ up to 240Mhz
  • RISC-V Ultra Low Power Co-processor
  • 2.4GHz Wifi - 802.11b/g/n
  • BLE 5.0 + Mesh
  • 8MB QSPI Flash
  • 8MB of extra QSPI PSRAM
  • 700mA 3.3V LDO Regulator
  • ULTRA LOW Deep Sleep Current
  • Low power RGB LED
  • Native USB + USB Serial JTAG
  • D+/D- pins for external USB connector
  • LiPo Battery Charging
  • 3D High Gain Antenna
  • 27 GPIO
  • Only 28 x 11mm in size
  • Compatible with TinyPICO Nano

Board Dimensions: 28mm x 11mm
Max Thickness: 2.4mm

Board Comparison Matrix

NanoS3 TinyPICO Nano
MCU ESP32-S3FN8 ESP32-PICO-D4
Cores 2x Xtensa LX7 2x Xtensa LX6
Speed Up to 240Mhz Up to 240Mhz
ULP CoProc 1x RISC-V, 1x FSM 1x FSM
SRAM 512K 520K
FLASH 8MB 4MB
PSRAM 8MB 4MB
GPIO 27 14
Native USB CDC, OTG & USB Serial JTag -
WiFi 2.4Ghz b/g/n 2.4Ghz b/g/n
Bluetooth BLE 5 & Mesh BT Classic & BLE 4.2
DAC - 2x 8bit
ADC 2x 12-bit SAR /20 chan 1x 12-bit SAR /18 chan
UARTs 3 3
ETH MAC - Yes
DMA Controller 5x TX chan, 5x RX chan -
SDIO Yes Yes
RGB LED 1515 Neopixel
Antenna Onboard or External u.FL Onboard
Release Date July 2023 May 2020

Platforms

  • CircuitPython
  • MicroPython
  • ESP-IDF
  • Arduino

Please check out the new PLATFORMS area of the Getting Started guide to find out all about developing for your new board in a range of different languages!

Downloads

This is where you can find download links for NanoS3 specific things like the Schematic, 3D model, KiCAD footprint and more!

The Github repo contains:

  • 3D STEP file for the NanoS3
  • KiCAD 7 symbol file for the NanoS3 that you can use when integrating one of them into your PCB designs
  • KiCAD 7 footprint file for the NanoS3
  • KiCAD 7 NanoS3 carrier PCB reference design
  • PDF Schematic for the NanoS3
  • Hi-res pinout reference card for the NanoS3
  • Helper libraries for Arduino, CircuitPython and MicroPython (*soon*)

If you need more detailed information about the ESP32-S3, including full IO capabilities and other functionality, please refer to the ESP32-S3 Datasheet from Espressif.