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The sample codes for this tutorial is here
which can be regulated or unregulated
even when no motor is connected
By default
Blockierstrom bei 6 V: 1
Pololu A4990 Dual Motor Driver Shield for Arduino hub-labor The sample codes for thisThis small shield is an easy, economical way to control two small brushed DC motors with an Arduino or Arduino compatible board. Its integrated A4990 dual motor driver operates from 6 V to 32 V and can deliver a continuous 0. 65 A to each motor channel, making it a great control option for low current motors that run on high voltages. The A4990 is configured to limit the peak motor current to about 0. 9 A per channel and is protected against reverse
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