The Compatible Arduino UNO R3 SMD - CH340 is functionally identical to the the latest version of the extremely popular and easy-to-use open source Arduino Uno.
The Esp32 DevKit v1 is one of the development board created to evaluate the ESP-WROOM-32 module. It is based on the ESP32 microcontroller that boasts Wifi, Bluetooth, Ethernet and Low Power support all in a single chip.