Adopting 802.11b/g/WiFi+BT module; Low power dual core 32-bit CPU, can be used as an application processor; The main frequency can reach up to 240MHz, and the computing power can reach up to 600DMIPS; Built in 520KBSRAM; Support UART/SPI/I2C/PWM/DAC/ADC and other interfaces; Universal AT commands, easy to learn; Support local serial port upgrade and remote upgrade (FOTA). Product name: ESP32 WiFi+BT dual-mode development board SPI Flash: default 32Mbit Bluetooth: Bluetooth 4.2BR/EDR and BLE standards Wi-Fi:802.11b/g/n/ Supported interfaces: UART SPI,SDIO,I2C,PWM,I2S,IR,ADC,DAC On chip sensors: Hall sensors, temperature sensors, capacitive touch sensors IO ports: 22 Serial port speed: default 115200bps Spectrum range: 2412-2484MHz Antenna form: onboard PCB antenna with a gain of 2dBi Transmission power: 802.11b: 17 ± 2dBm (11Mbps) 802.11g: 14 ± 2dBm (54Mbps) 802.11n: 13 ± 2dBm (MCS7) Receiving sensitivity: CCK,1Mbps:-90dBm CCK,11Mbps:-85dBm 6Mbps (1/2BPSK): -88dBm 54Mbps (3/464-QAM): -70dBm MCS7 (65Mbps, 72.2Mbps): -67dBm Power consumption: 300mA 3.3V Security: WPA/WPA2/WPA2 Enterprise/WPS Power supply range: USB power supply: 5V Vin pin power supply: 6.0V-12V specification:Micro-USB Colour:Black Material:PCB There may be differences in printing and silk screen printing due to different batches, which will not affect the use; there may be color differences in the actual product due to different light or display. Package Contents: 2 x Development Board