Mega 2560 PRO, ATmega2560-16AU, CH340G
A clone of the smallest Arduino board Arduino Pro Micro that fits into any compact application.
Arduino MEGA+WiFi ATmega2560+ESP8266 4Mb CH340G
Arduino Nano 33 BLE, original
Arduino Nano R3 with soldered pins that fits perfectly as a module in various electronic constructions.
Arduino Nano format development board. Its dimensions and pin layout make it an excellent module for various electronic designs.
Arduino Uno+WiFi ATmega328P+ESP8266 32Mb
LaskaKit printed pad under the board Arduino UNO with place for non-soldering field.
LaskaKit 3d printed Arduino Uno Light Bumper that you put under your board so you don't accidentally scratch your desk or short it.