Here are Arduino main controller boards in different size and capacity.
Freematics Esprit is an Arduino compatible development board based on Espressif ESP32 SoC with addit..
Compatible with Arduino (ATMega328P as controller)
8×8 RGB LED adjustable brightne..
Bluno is a unique Arduino variant model. It is 100% compatible with Arduino UNO with additional Bl..
Bluno Nano comes in the size of a gum and is perfect for BLE projects with limite..
Gboard is a unique Arduino board which features a SIM900 GSM/GPRS module, an XBee socket..