ESP32 Boards/ ESP32-S2/ ESP32-S2-SOLO-2U

ESP32-S2-SOLO-2U

ACTIVE SOLO

ESP32-S2-SOLO-2U is a powerful, generic Wi-Fi MCU module integrating ESP32-S2 ECO1 with improved RF performance.

Variants ↓ Datasheet ↗
ESP32-S2-SOLO-2U module
18 × 19.2 mm
16MB
Flash
2MB
PSRAM
41
GPIO pins
18×19.2mm
Size

Specifications

Datasheet ↗

Module

FamilySOLO
Embedded chipESP32-S2, ESP32-S2R2
GPIO pins41
AntennaIPEX antenna connector
Dev boardESP32-S2-DevKitC-1
Operating temp-40°C ~ 85°C
Dimensions18 × 19.2 × 3.2 mm

Memory

Flash4 / 8 / 16 MB
PSRAMUp to 2 MB

Connectivity

Wi-Fi802.11 b/g/n 2.4 GHz

Module variants

7 variants
Base lowest-cost config Top highest spec High-temp extended temperature range
VariantFlashPSRAMTags
ESP32-S2-SOLO-2U-N44 MB-Base
ESP32-S2-SOLO-2U-H44 MB-High-temp
ESP32-S2-SOLO-2U-N4R24 MB2 MB
ESP32-S2-SOLO-2U-N88 MB-
ESP32-S2-SOLO-2U-N8R28 MB2 MB
ESP32-S2-SOLO-2U-N1616 MB-
ESP32-S2-SOLO-2U-N16R216 MB2 MBTop

About the ESP32-S2-SOLO-2U

ESP32-S2-SOLO-2U is a compact Wi-Fi MCU module based on ESP32-S2 ECO1, featuring an IPEX antenna connector for flexible placement in space-constrained IoT designs.

  • Small size: 18 x 19.2 x 3.2 mm
  • Wi-Fi (2.4 GHz)
  • Improved RF performance
  • Wide operating temperature range: -40°C ~ 85°C
  • IPEX antenna connector for external antennas
  • Perfect for smart home, industrial, and consumer IoT

The ESP32-S2-SOLO-2U module comes in several variants:

  • ESP32-S2-SOLO-2U-N4: This is the basic variant with 4MB of flash memory and no PSRAM, suitable for most applications.
  • ESP32-S2-SOLO-2U-H4: This is the high-temperature variant with 4MB of flash memory and no PSRAM, designed for harsh environments.
  • ESP32-S2-SOLO-2U-N4R2: This is the added PSRAM variant with 4MB of flash memory and 2MB of PSRAM, ideal for applications requiring additional memory.
  • ESP32-S2-SOLO-2U-N8: This variant features 8MB of flash memory, suitable for applications needing more storage.
  • ESP32-S2-SOLO-2U-N8R2: This variant combines 8MB of flash memory with 2MB of PSRAM, providing enhanced performance for memory-intensive applications.
  • ESP32-S2-SOLO-2U-N16: This variant offers 16MB of flash memory, ideal for applications requiring large storage capacity.
  • ESP32-S2-SOLO-2U-N16R2: This is the top variant with 16MB of flash memory and 2MB of PSRAM, providing the highest performance and storage capacity.

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