Productbeschrijving
 

This compact expansion board plugs directly into the GPIO header on a Raspberry Pi B+, A+, or Pi 2 and provides an easy and low-cost solution for driving a pair of small brushed DC motors. Its integrated DRV8835 dual motor driver allows it to operate from 1.5 V to 11 V, making it a great control option for low-voltage motors. The board can deliver a continuous 1.2 A (1.5 A peak) per motor, or a continuous 2.4 A (3 A peak) to a single motor when configured with both channels connected in parallel.

 

Features

• Dual-H-bridge motor driver: can drive two DC motors or one bipolar stepper motor
• Motor supply voltage: 1.5 V to 11 V
• Logic supply voltage 2 V to 7 V
• Output current: 1.2 A continuous (1.5 A peak) per motor
• Motor outputs can be paralleled to deliver 2.4 A continuous (3 A peak) to a single motor
• PWM operation up to 250 kHz (ultrasonic frequencies allow for quieter motor operation)
• Two possible interface modes: PHASE/ENABLE (default – one pin for direction, another for speed) or IN/IN (outputs mostly mirror inputs)
• Board can optionally power the Raspberry Pi base directly through add-on regulator (not included)
• Python library makes it easy to get started using this board as a motor driver expansion board
• GPIO pin mappings can be customized if the default mappings are not convenient
• Reverse-voltage protection on motor power supply
• Under-voltage lockout and protection against over-current and over-temperature

Voor meer info klik hier Hier



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