The ESP32-CAM Ai-Thinker is a compact, low-cost Wi-Fi and Bluetooth-enabled camera development module based on the ESP32-S dual-core microcontroller. It integrates an OV2640 2MP camera sensor, onboard Flash memory, PSRAM, and a MicroSD card slot, making it suitable for IoT vision applications, wireless surveillance, image capture, video streaming, face recognition, and smart home projects. The module combines wireless connectivity and image processing capabilities in a small form factor while maintaining low power consumption.

Key Features ESP32-S Dual-Core Processor Tensilica Xtensa LX6 dual-core 32-bit CPU Operating frequency up to 240 MHz Computing performance up to 600 DMIPS Integrated Camera Equipped with OV2640 CMOS image sensor Maximum image resolution: 1600 × 1200 (UXGA, 2MP) Supports JPEG image compression and video streaming Memory 4 MB Flash memory External PSRAM for frame buffering and image processing 520 KB internal SRAM Wireless Connectivity 2.4 GHz Wi-Fi (802.11 b/g/n) Bluetooth 4.2 BR/EDR and BLE support Storage Built-in MicroSD/TF card slot Supports local storage of images, videos, and data logs Peripheral Interfaces UART SPI I²C PWM ADC DAC GPIO expansion pins Power Supply Operating voltage: 5 V Low-power operation with deep-sleep capability for battery-powered applications Compact Design Module size approximately 27 mm × 40.5 mm PCB antenna onboard Optional external antenna connection on some variants