6x ESP32-DevKitC-32 Development Board modules by Hibctr are designed for developing and testing applications that run on the ESP32 processor. These development boards come with a variety of connectivity options including Wi-Fi, Bluetooth, UART, SPI, I2C, PWM, DAC, ADC, and USB Type-C. Each pack includes 6 ESP32 CP2012 USB modules, each with a processor count of 1 and LPDDR4 RAM memory technology. The compact size of the modules (5.91x4.88x1.42 inches) makes them easy to work with and operate under Linux operating system.