Pololu dual VNH 5019 motor driver shield (ash02a), assembled and connected to an Arduino Uno.
Pololu dual VNH 5019 motor driver shield for Arduino (ash02a), bottom view with board dimensions.
Wide operating voltage range: 5.5 – 24 V1
High output current: up to 12 A continuous (30 maximum) per motor
Motor outputs can be combined to deliver up to 24 A continuous (60 A maximum) to a single motor
Inputs compatible with both 5V and 3.3V systems (logic high threshold is 2.1 V)
PWM operation up to 20 kHz, which is ultrasonic and allows for quieter motor operation
Current sense voltage output proportional to motor current (approx. 140 mV/A)
Motor indicator LEDs show what the outputs are doing even when no motor is connected
Can be used with an Arduino or Arduino clone (through shield headers) or other microcontroller boards (through 0.1″ header along the left side)
When used as a shield, the motor power supply can optionally be used to power the Arduino base as well
Arduino pin mappings can be customized if the default mappings are not convenient
Arduino library makes it easy to get started using this board as a motor driver shield
Can survive input voltages up to 41 V
Undervoltage and overvoltage shutdown
High-side and low-side thermal shutdown
Short-to-ground and short-to-Vcc protection
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