2-Channel 1.2A Motor Driver Shield for Arduino [Discontinued] _MAKE_LED_STANDARD It comes with the Optiboot

It comes with the Optiboot bootloader already installed

it requires a real-time microconroller such as an AVR

DFRobot Arduino Compatible Microcontroller Selection Guide

you'll see about 0

2-Channel 1.2A Motor Driver Shield for Arduino [Discontinued] _MAKE_LED_STANDARD It comes with the OptibootThe Cytron Motor Driver shield can power 2 motors from your Arduino Uno, offering 3A of peak current and 1. 2A of continuous current at each channel. It is compatible with the official Arduino UNO, Mega and Leonardo, and Arduino compatible boards such as the Maker UNO. The shield uses a DRV8871 controller and support for both signed magnitude and locked anti phase. This driver can handle high currents up to 3A together with auto current limit