UNO+WiFi R3 ATmega328P+ESP8266, 32Mb flash, USB-TTL CH340G, Micro-USB

MEGA+WiFi R3 ATmega2560+ESP8266, flash 32MB, USB-TTL CH340G, Micro-USB

AC Dimmer Module, 1 Channel, 3.3V/5V logic, AC 50/60hz, 110V~400V

Mega 2560 PRO MINI, ATmega2560-16AU