2pcs ESP32-CAM-MB ESP32 Dual-Core Wireless Bluetooth WiFi Development Board with TF Card Module 3660 Camera

The main frequency is up to 240MHz, and the computing power is up to 600DMIPS; Built-in 520KB SRAM, external 8MB PSRAM Compatible with UART/SPI/I2C/PWM/ADC/DAC and other interfaces Supports 2640 and OV7670 cameras, built-in flash memory Supports STA/AP/STA+AP mode. USB to serial port CH340G. If you have any questions, please feel free to contact me Uses micro USB interface, convenient and reliable connection method, applied to various IoT hardware terminal occasions. Parameter: Uses low-power dual-core 32-bit processor, it can be used as an application processor. Supports image WiFI download Supports TF card Supports multiple sleep modes. Built-in Lwip and FreeRTOS Supports Smart Config/AirKiss one-click network configuration Supports secondary development Specification: Working voltage: 4.75-5.25V SPIFlash: 32Mbit as standard RAM: internal 520KB + external 8MB PSRAM Wi-Fi: 802.11b/g/n/e/i Bluetooth: Bluetooth 4.2BR/EDR and BLE standard Supports interfaces (2Mbps): UART, SPI, I2C, PWM Supports TF card: maximum support 4G IO port: 9 Serial port speed: 115200bps as standard Spectrum range: 2400~2483.5MHz Antenna shape: built-in PCB antenna, gain 2dBi Image output format: PEG (only 2640 compatible), BMP, GRAYSCALE Transmitting power: 802.11b: 17 ± 2 dBm (at 11 Mbps) 802.11g: 14 ± 2 dBm (at 54 Mbps) 802.11n: 13 ± 2 dBm (at MCS7) Receiving sensitivity: CCK, 1 Mbps: -90 dBm CCK, 11 Mbps: -85 dBm 6 Mbps (1 / 2BPSK): -88 dBm 54 Mbps (3 / 464-QAM): -70 dBm MCS7 (65 Mbps, 72.2 Mbps): -67 dBm Application scenarios: Image transmission of smart home devices Wireless monitoring Smart agriculture Wireless QR recognition Wireless positioning system signal