- ESP32-S2
- ESP32-S2R2
- Basic variant
- 4MB flash
- High temperature variant
- 4MB flash
- Added PSRAM variant
- 4MB flash
- 2MB PSRAM
- ESP32-S2-SOLO-N4 : This is the basic variant with 4MB of flash memory and no PSRAM, suitable for most applications.
- ESP32-S2-SOLO-H4: This is the high-temperature variant with 4MB of flash memory and no PSRAM, designed for harsh environments.
- ESP32-S2-SOLO-N4R2: This is the top variant with 4MB of flash memory and 2MB of PSRAM, ideal for high-performance applications.
- Small size: 18 x 25.5 x 3.1 mm
- Wi-Fi (2.4 GHz)
- Rich set of peripherals
- Pin-to-pin compatible with ESP32-WROOM modules
- Wide operating temperature range: -40°C ~ 85°C
- Integrated PCB antenna
- Perfect for smart home, industrial, and consumer IoT
ESP32-S2-SOLO
Not Recommended for New Designs: Consider using newer modules for future projects.
ESP32-S2-SOLO is a powerful, generic Wi-Fi MCU module with a rich set of peripherals and pin-to-pin compatibility with ESP32-WROOM modules.
Embedded Chip(s):
ESP32-S2-SOLO Module Variants
ESP32-S2-SOLO-N4
Base Flash: 4 MB PSRAM
ESP32-S2-SOLO-H4
Flash: 4 MB PSRAM 🔥 High Temp
ESP32-S2-SOLO-N4R2
Top Flash: 4 MB PSRAM: 2 MB
The ESP32-S2-SOLO module comes in three main variants:
Note: Variants may have different features, flash sizes, and PSRAM configurations. Check the individual module pages for detailed specifications.
About ESP32-S2-SOLO
ESP32-S2-SOLO is a compact Wi-Fi MCU module with a rich set of peripherals and pin-to-pin compatibility with ESP32-WROOM modules.
ESP32-S2-SOLO Technical Specifications
🛰️ Connectivity
Antenna PCB antenna
WiFi 802.11 b/g/n 2.4 GHz
BLE -
ESP32-S2-SOLO Dimensions
Width 18 mm
Length 25.5 mm
Height 3.1 mm