ESP32‑S2‑MINI‑1 is a compact Wi‑Fi module based on the ESP32‑S2 SoC, featuring a single‑core 32‑bit LX7 processor, integrated 2.4 GHz Wi‑Fi, and rich peripheral interfaces. Unlike the MINI‑1U variant, the MINI‑1 comes with a built‑in PCB antenna, making it ideal for designs that require minimal external components and simplified integration. With ultra‑low power consumption, advanced security features, and a small footprint, it is well‑suited for IoT devices, smart home products, and consumer electronics. Key Features ESP32‑S2 SoC with 32‑bit LX7 processor, up to 240 MHz. Integrated PCB antenna (MINI‑1 version). Wi‑Fi 802.11 b/g/n support with WPA/WPA2/WPA3 security. Rich peripherals: SPI, I²C, UART, ADC, DAC, PWM, USB OTG. Ultra‑low power consumption with multiple sleep modes. Secure boot and flash encryption for enhanced security. Compact 18 × 25.5 × 3.1 mm form factor. Fully compatible with ESP-IDF SDK and Arduino ecosystem. Specifications Item ESP32‑S2‑MINI‑1 SoC ESP32‑S2, LX7 single‑core, 240 MHz Memory 320 KB SRAM, 128 KB ROM, 16 KB RTC SRAM Flash 4 MB (integrated) Wi‑Fi 802.11 b/g/n, 2.4 GHz Antenna Onboard PCB antenna Interfaces SPI, I²C, UART, ADC, DAC, PWM, USB OTG Security Secure Boot, Flash Encryption, WPA3 Dimensions 18 × 25.5 × 3.1 mm Operating Temp –40 °C to +85 °C Applications IoT Devices: Smart sensors, connected appliances. Smart Home: Lighting, HVAC, security systems. Consumer Electronics: Wearables, portable devices. Industrial Automation: Wireless controllers, monitoring systems. Prototyping & Development: Maker projects, rapid prototyping.