2 pcs ESP32-CAM WiFi + Bluetooth Camera Module Development Board ESP32 With Camera Module OV2640 2MP AND ESP32-CAM WITH BUILT-IN USB BOARD. This module can be used in many Internet of Things applications, such as For example, smart home devices, industrial wireless control, wireless monitoring, wireless QR identification, wireless positioning system signals, and other Internet of Things applications. Microcontrollers ( 16 )