
( Brand: Mall ), ( Part Type: Motor Driver Module ), ( Package Dimensions: 5.6 X 3.2 X 0.3 Inches; 8.01 Ounces ), ( Voltage: 35 Volts ), ( UPC: 313044995998 )
The Pololu A4988 Stepper Motor Driver Module is a versatile and powerful addition to any 3D printer or motion control project. This stepstick pack includes one A4988 driver, which is a popular choice among hobbyists and makers due to its ease of use and high performance.
The A4988 driver is a full-bridge, high-current, easy-to-drive stepper motor driver that can drive bipolar stepper motors up to 1.2A per coil. It features adjustable current limiting, microstepping (up to 1/32 step), and a variety of input options, including full-step, half-step, and microstepping modes. The driver module is also equipped with an enable input, which allows for fine-grained control over the motor's operation.
The Pololu stepstick pack includes a stepstick, which is a compact, three-layer PCB that mounts directly to the stepper motor and carries the drive signals to the motor coils. The stepstick saves space and simplifies the wiring process by eliminating the need for individual wires between the driver and the motor.
The A4988 driver module is a popular choice for 3D printers due to its ability to drive high-current stepper motors and its support for microstepping. Microstepping allows for smoother motion and finer control over the position of the printhead, resulting in improved print quality.
Overall, the Pololu A4988 Stepper Motor Driver Module Stepstick Pack is a high-quality and versatile solution for driving stepper motors in 3D printers and other motion control projects. Its adjustable current limiting, microstepping support, and compact design make it a convenient and powerful choice for hobbyists and makers.
Pros of buying a Pololu A4988 Stepstick Stepper Motor Driver Module:1. Integrated Driver: The Pololu A4988 Stepstick is an integrated driver and motor package, which simplifies the wiring and reduces the number of components required.
2. Easy to Use: It is easy to use and provides a simple interface for controlling stepper motors in 3D printers, CNC machines, and other applications.
3. High Current Capacity: The driver can handle up to 1.2A per channel, which is sufficient for most 3D printer applications.
4. Quiet Operation: The stepstick drivers operate quietly, which is a significant advantage in applications where noise is a concern.
5. Soft Start/Stop: The driver includes a soft start/stop feature that helps to reduce mechanical stress on motors and extend their lifespan.
6. Wide Voltage Range: The driver can operate from 8 to 36V, making it suitable for various power supply configurations.
7. Open-Source: The A4988 driver is based on an open-source microcontroller, which means that there are plenty of resources and examples available online.
Cons of buying a Pololu A4988 Stepstick Stepper Motor Driver Module:1. Limited Channel Count: The stepstick driver only has two channels, which might not be sufficient for more complex applications that require multiple motors.
2. Limited Current Capacity: While 1.2A per channel is sufficient for most 3D printers, it might not be enough for high-power applications or for driving larger motors.
3. Limited Temperature Range: The driver is not designed for high-temperature applications and might not perform well in environments above 85 C.
4. Limited Input Voltage: The driver requires a separate 5V power supply for its control logic, which might add to the overall complexity and cost of the system.
Conclusion:The Pololu A4988 Stepstick Stepper Motor Driver Module is a great choice for 3D printer applications that require a simple, easy-to-use, and quiet stepper motor driver. Its high current capacity and wide voltage range make it a versatile option for various power supply configurations. However, its limited channel count and current capacity might not be sufficient for more complex applications or high-power requirements. Therefore, it is essential to consider these factors before making a purchase.
Recommendation:If you are looking for a simple and easy-to-use stepper motor driver for your 3D printer, the Pololu A4988 Stepstick Stepper Motor Driver Module is a great option. However, if you require more channels or higher current capacity, you might want to consider other stepper motor driver options available in the market.
Thermal shutdown circuitry, Ground fault protection, Load short-circuit protection. Control a bipolar stepper motor at up to 2 A current per phase. Stepper motors typically have a step size specification This micro stepping driver allows higher resolutions by providing intermediate step locations, which are achieved energizing the coils with current levels.
Ideal for applications that do not have a complex microprocessor available, and pairs well with Arduino micro controllers. Over-temperature thermal shutdown, under- voltage lockout, and crossover-current protection. Printed Operation and Programming Instructions
Package contents. A4988 Stepper Motor Driver Module for Pololu Reprap 3D Printer Stepstick Pack of 2:: Manufacturer Mall, voltage 35 volts DC, Package Dimensions 5.6 x 3.2 0.3 inches; 8.01 ounces. Simple step and direction control interface with five resolutions: full-step, half-step, 1/4-step, 1/8-step, 1/16-step. An onboard potentiate is used to adjust the current output.
Uses just 2 pins from the micro controller, one for controlling rotation direction and other steps.