• single core

Common module

Official

  • ESP32-S2-SOLO
  • ESP32-S2-SOLO-2
  • ESP32-S2-WROOM DS
  • ESP32-S2-WROVER DS
  • ESP32-S2-SOLO (old? )

  • ESP32-S2-MINI (old? )

  • Module Compare Guide - https://www.espressif.com/zh-hans/products/modules

Other

Compare ESP32 VS ESP32-S2

Module ESP32 ESP32-S2
Microcontroller Xtensa dual-core 32-bit LX6 Xtensa single-core 32-bit LX7
Clock Frequency 160/240 MHz 160/240 MHz
Co-processor ULP ULP (RISC-V)
SRAM 520 KB 320 KB
ROM 448 KB 128 KB
RTC Memory 16 KB 16 KB
External SPIRAM Up to 16MB Up to 128MB
External Flash No Up to 1G
Wi-Fi (802.11 b/g/n) HT20 HT20
ESP-MESH Yes Yes
Bluetooth BT 4.2 BR/EDR & BLE No
Ethernet 10/100 Mbps No
CAN 2.0 No
Time of Flight No 43
GPIO (total) 34 No
Touch Sensors 10 14
SPI 4 4 (OSPI)
I2C 2 2
I2S 2 1
UART 3 2
ADC 18 (12-bit) 20 (12-bit)
DAC 2 (8-bit) 2 (8-bit)
PWM (soft) 16 8
SDMMC Yes No
RMT (remote control) Yes Yes
USB OTG No Yes
LCD Interface No Yes
Camera Interface No Yes
Temperature sensor Yes Yes
Hall sensor Yes No
Security Secure boot Flash encryption 1024-bit OTP Secure boot Flash encryption 4096-bit OTP
Crypto AES, SHA-2, RSA, ECC, RNG AES-128/192/256, SHA-2, RSA, RNG, HMAC, Digital Signature
Low Power Consumption 10uA deep sleep Automatic RF power management 5uA in idle mode 24uA at 1% duty cycle

Prog info

dev boards

ref esp32-s2-solo-u

https://www.espressif.com.cn/sites/default/files/documentation/esp32-s2-solo_esp32-s2-solo-u_datasheet_en.pdf

ref Documents

esp32-s2 get-started

  • esp32-s2 info
  • Datasheet - https://www.espressif.com/sites/default/files/documentation/esp32-s2_datasheet_en.pdf

  • Technical reference manual - https://www.espressif.com/sites/default/files/documentation/esp32-s2_technical_reference_manual_en.pdf

  • ESP-IDF-dat - ESP-SDK-dat

SDK arduino manual update

  • Arduino github branch ESP32-S2 https://github.com/espressif/arduino-esp32/tree/esp32s2
  • update by tools/get.exe
  • copy whole folder into Arduino\hardware\espressif\arduino-esp32-esp32s2

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