The ESP32-S2-SOLO is a versatile Wi-Fi MCU module with powerful features and a wide range of peripheral interfaces, suitable for applications such as wearable electronics and smart home devices.
Features
CPU and On-chip Memory
- Built-in ESP32-S2 or ESP32-S2R2 chip, Xtensa® single-core 32-bit LX7 microprocessor, supporting clock frequencies up to 240 MHz
- 128 KB ROM
- 320 KB SRAM
- 16 KB RTC SRAM
- 2 MB embedded PSRAM (only for ESP32-S2R2 chip)
Wi-Fi
- 802.11 b/g/n
- Data rates up to 150 Mbps in 802.11n mode
- Frame aggregation (TX/RX A-MPDU, RX A-MSDU)
- 0.4 µs guard interval
- Operating channel center frequency range: 2412 ~ 2484 MHz
Peripherals
- GPIO, SPI, UART, I2C, I2S, LCD interface, Camera interface, IR, pulse counter, LED PWM, TWAI® (ISO 11898-1 compliant, i.e., CAN 2.0 specification), full-speed USB OTG, ADC, DAC, touch sensor, temperature sensor
Module Integrated Components
- 40 MHz integrated crystal oscillator
- 4 MB SPI flash
Antenna Options
- Onboard PCB antenna (ESP32-S2-SOLO)
- External antenna via a connector (ESP32-S2-SOLO-U)
Operating Conditions
- Operating voltage/power supply voltage: 3.0 ~ 3.6 V
- Operating temperature:
- 85°C version: –40 ~ 85°C
- 105°C version: –40 ~ 105°C (only for ESP32-S2-SOLO-H4 and ESP32-S2-SOLO-U-H4)
Certifications
- RF Certifications: Refer to certificates
- Environmental certifications: RoHS/REACH
Testing
- HTOL, HTSL, uHAST, TCT, ESD
Applications
- General low-power IoT sensor hub
- General low-power IoT data logger
- Camera video streaming
- OTT TV box/set-top box devices
- USB devices
- Voice recognition
- Image recognition
- Mesh networks
- Home automation
- Smart home control panels
- Smart buildings
- Industrial automation
- Smart agriculture
- Audio equipment
- Health/medical/caregiving
- Wi-Fi toys
- Wearable electronics
- Retail & Catering
- Smart POS applications