1. Made of materials, finely crafted, easy to install, and easy to operate. 2. The module has a rich library of functions, a free and open-source environment, and also supports other compiler environments. The ESP32 module has a built-in Hall sensor, making WIFl suitable for project or development use. The ESP32-S2 chip is equipped with a Tensa 32-bit LX7 single core processor, with a working frequency of up to 240MHz. 3. Low power consumption, which can turn off the power of the CPU and use a low-power coprocessor to monitor the status changes of peripherals or whether certain analog quantities exceed the threshold. 4. ESP32-S2 integrates a variety of peripherals, including SPI, I2S, UART, I2C, LEDPWM, TWAI @ controller, ADC, DAC, touch sensors, temperature sensors, and up to 43 GPIOs. 5. ESP32-S2 also has a full speed USBON The Go (OTG) interface for USB communication, with a wide range of applications, suitable for college students/engineers/technicians/factory indivi. Parameter: CPU and on-chip memory: Built in ESP32-S2 chip, Xtensa ® Single core 32-bit LX7 microprocessor, supporting clock frequencies up to 240MHz 128KB ROM 320 KB SRAM 16KB RTC SRAM WiFi: 802.11 b/g/n Up to 150 Mbps data rate in. 802.11n mode Frame Aggregation (TX/RX A-MPDU, RX A-MSDU) 0.4 us protection interval Working channel center frequency range:2412-2484 MHz. Peripheral: GPIO, SPI, UART, I2C, I2S, LCD interface, Camera interface, IR, pulse counter, LED PWM, TWAI(Compatible with ISO 11898-1, i.e. CAN specification 2.0), full speed USB OTG, ADC, DAC, touch sensor, temperature sensor module integrated components. 40 MHz integrated crystal oscillator 4MB SPL flash Antenna selection: Board mounted PCB antenna (ESP32-S2 WROOM) Working conditions: Working voltage/power supply voltage: 3.0-3.6V Working environment temperature: -40-85℃ Application: ESP32-S2-WROOM is a general-purpose Wi Fi MCU module with powerful functions and rich peripheral interfaces, which can be used in wearable electron