ESP32WROOM32 module — compact dualcore WiFi and Bluetooth MCU module designed for generalpurpose embedded applications. Combines performance, low power consumption, and a wide range of peripheral interfaces to simplify development of connected devices. Key benefits Integrated WiFi and Bluetooth wireless connectivity for flexible network and devicetodevice communication. Dual CPU cores with adjustable frequency from 80 MHz to 240 MHz for scalable performance across lightweight and demanding tasks. Very lowpower modes and a lowpower coprocessor for continuous peripheral monitoring while conserving battery life; deepsleep current below 5 uA. Extensive peripheral set and onboard 4 MB SPI flash allow direct connection to sensors, audio codecs, storage, and actuators without extra components. Builtin networking and security support including freeRTOS, LwIP, TLS 1.2 hardware acceleration, and OTA encrypted firmware upgrades for secure, maintainable products. Key specifications Core chip: ESP32D0WDQ6, dualcore, independently controllable CPUs. CPU frequency: configurable from 80 MHz to 240 MHz. Wireless: WiFi 802.11 b/g/n (802.11n up to 150 Mbps); Bluetooth v4.2 BR/EDR and BLE. Radio performance: NZIF receiver with 97 dBm sensitivity; Class1, Class2, Class3 transmitters; adaptive frequency hopping; antenna TX power up to 20 dBm. WiFi features: AMPDU and AMSDU aggregation, 0.4 microsecond guard interval. Frequency band: 2.4 GHz to 2.5 GHz. Audio support: CVSD and SBC codecs; suitable for voice coding and audio streaming tasks. Peripherals and interfaces: SD card interface, UART, SPI, SDIO, I2C, LED PWM, motor PWM, I2S, IR, pulse counter, GPIO, capacitive touch sensors, ADC, DAC, twowire automotive interface TWAI (compatible with ISO118981). Onchip sensor: Hall sensor and lownoise sensor amplifier. Flash: Integrated 4 MB SPI flash. Power supply: 3.0 V to 3.6 V. Sleep current: less than 5 uA. Software and security: freeRTOS with LwIP, TLS 1.2 hardware acceleration, OTA encrypted firmware upgrade support. Reliability tests: HTOL, HTSL, uHAST, TCT, ESD. Package: 1 module. Practical use scenarios Batterypowered sensor node: Use deepsleep modes and the lowpower coprocessor to monitor thresholds and wake only when needed, extending battery life for wearable or remote monitoring devices. Connected audio device: Implement voice coding, audio streaming, or MP3 decoding using the dualcore CPU and I2S audio interfaces for quality wireless audio applications. IoT gateway or controller: Combine WiFi connectivity, Ethernet and SDIO/SPI interfaces, and multiple UART and I2C ports to aggregate sensor data, control actuators, and perform secure OTA updates in industrial or home automation systems. What makes it stand out Balanced combination of processing power, radio performance, and lowpower features suitable for a wide range of embedded designs. Rich peripheral set reduces external component count and simplifies hardware design. Secure networking stack and OTA support make it practical for products that require longterm maintainability. Package contents 1 module.