Adopting 802.11b/g/n Wi-Fi + Bluetooth module; Low-power dual-core 32-bit CPU, suitable for use as an application processor; Main frequency up to 240 MHz, computing performance up to 600 DMIPS; Built-in 520 KB SRAM; Supports UART, SPI, I2C, PWM, ADC, and other interfaces; Supports OpenOCD debugging interface; Supports multiple sleep modes, with deep-sleep current as low as 6.5 µA; Embedded LwIP and FreeRTOS; Supports STA, AP, and STA+AP operating modes; Supports Smart Config and AirKiss one-touch network configuration; Standard AT commands, easy to learn; Supports local serial port firmware upgrade and remote over-the-air (OTA) upgrade. Product name: ESP32 Wi-Fi + Bluetooth dual-mode development board SPI Flash: default 32 Mbit Bluetooth: Bluetooth 4.2 BR/EDR and BLE Wi-Fi: 802.11b/g/n Supported interfaces: UART, SPI, SDIO, I2C, PWM, I2S, IR, ADC On-chip sensors: Hall sensor, temperature sensor, capacitive touch sensor I/O ports: 22 Default serial port speed: 115200 bps Frequency range: 2412–2484 MHz Antenna type: onboard PCB antenna, 2 dBi gain Transmit power: - 802.11b: 17 ± 2 dBm (11 Mbps) - 802.11g: 14 ± 2 dBm (54 Mbps) - 802.11n: 13 ± 2 dBm (MCS7) Receiver sensitivity: - 1 Mbps: –90 dBm - 11 Mbps: –85 dBm - 6 Mbps (1/2 BPSK): –88 dBm - 54 Mbps (3/4 64-QAM): –70 dBm - MCS7 (65/72.2 Mbps): –67 dBm Typical power consumption: 300 mA at 3.3 V Security protocols: WPA, WPA2, WPA2 Enterprise, WPS Power supply options: - USB power: 5 V - Vin pin power: 6.0–12 V Connector type: Micro-USB Color: Black Material: PCB Package includes: 1 × Development Board Note: Color may vary slightly due to lighting and screen settings. Dimensions may vary by ±1–3 cm.