Relay Shield for Arduino Uno, 4 relays
WIFI D1 MINI ESP8266 dev. board, 32Mbit flash, USB CP2104
The Leonardo ETH is a microcontroller board based on the ATmega32U4 and the W5500 TCP/IP embedded Ethernet controller.
Uno R3 Minimal KIT compatible for Arduino Uno R3 KIT projects, with breadboard and jumper wires, USB cable