1 Channel Relay Shield Module, 10PCS DC 5V Indicator Light LED Module for Arduino R3 MEGA 2560 1280 ARM PIC AVR STM32 Raspberry Pi MCU DSP Official Boards Shield (10PCS): Amazon.com: Industrial
Amazon.com: SunFounder Ethernet Shield W5100 Compatible with Arduino UNO R3 Mega 2560 1280 A057 : Electronics
Arduino UNO Rev3 [A000066] : Amazon.it: Informatica
Amazon.com: ELEGOO Upgraded UNO R3 Project Most Complete Starter Kit w/Tutorial Compatible with Arduino IDE (63 Items) V2.0 : Electronics
Arduino UNO Rev3 [A000066] : Amazon.it: Informatica
5v Relay Module 1 Channel Relay Board for Raspberry Pi with Opto-Isolated High or Low Level Trigger 5v 1 Channel Relay Switch for Arduino: Amazon.com: Industrial & Scientific