Espressif ESP32 S2 Mini 1 & S2 Mini 1U Module
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Espressif ESP32 S2 Mini 1 & S2 Mini 1U Module
The ESP32-S2-MINI-1 and ESP32-S2-MINI-1U are versatile Wi-Fi MCU modules with powerful features and a wide range of peripheral interfaces, suitable for applications such as wearable electronics and smart home devices. The ESP32-S2-MINI-1 uses an onboard PCB antenna, while the ESP32-S2-MINI-1U connects to an external antenna via a connector.
Features
CPU and On-chip Memory
- Built-in ESP32-S2FH4 or ESP32-S2FN4R2 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
- 4 MB embedded flash
- 2 MB embedded PSRAM (only for ESP32-S2FN4R2 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
Antenna Options
- Onboard PCB antenna (ESP32-S2-MINI-1)
- External antenna via a connector (ESP32-S2-MINI-1U)
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
Certifications
- RF Certifications: Refer to certificates
- Environmental Certifications: RoHS/REACH
Testing
- HTOL, HTSL, uHAST, TCT, ESD
The ESP32-S2-MINI-1 and ESP32-S2-MINI-1U modules feature the following specifications:
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ESP32-S2-MINI-1:
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Embedded Chip: ESP32-S2FH4 or ESP32-S2FN4R2
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Dimensions: 15.4 × 20 × 2.4 mm
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Temperature Rating: 65°C
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Flash Memory: 4 MB (built-in)
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PSRAM: N/A or 2 MB
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Antenna: PCB onboard antenna
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Development Board: ESP32-S2-DevKitM-1
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Package: 2D Footprint
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ESP32-S2-MINI-1U:
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Embedded Chip: ESP32-S2FH4 or ESP32-S2FN4R2
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Dimensions: 15.4 × 15.4 × 2.4 mm
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Temperature Rating: 65°C
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Flash Memory: 4 MB (built-in)
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PSRAM: N/A or 2 MB
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Antenna: IPEX connector for external antenna
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Development Board: ESP32-S2-DevKitM-1U
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Package: 2D Footprint
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Effective Date: March 27, 2025
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Warranty Exclusions
The warranty does not apply in the following cases:
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- Damage due to misuse, improper maintenance or storage, or failure to follow the user guide or manual.
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