TLA MICROSYSTEMS 27938 Step Unipolar Stepper Motor Parallax 21001 Controller

( Brand: Tla Microsystems ), ( Manufacturer Part Number: 27938 ), ( Part Type: Motor Controller ), ( Run Method: Unipolar )

Review TLA MICROSYSTEMS Little Step u Unipolar Stepper Motor Controller Parallax

The TLA Micro Systems 27938 Step-U 21001 Unipolar Stepper Motor Controller by Parallax is a versatile and powerful solution for controlling unipolar stepper motors in various projects. This controller is designed to provide precise motor control with ease of use, making it an ideal choice for hobbyists, educators, and engineers.

The heart of this controller is a high-performance microcontroller that processes motor commands and delivers accurate step signals to the motor windings. It supports full-step, half-step, and microstep modes, allowing users to fine-tune motor speed and torque according to their specific application requirements.

The TLA Micro Systems 27938 Step-U 21001 is a unipolar stepper motor controller, meaning it works with stepper motors that have one coil per phase. It can handle motors with resistance ranging from 1.4 to 8 and can provide up to 1.5A of current per phase. This makes it suitable for a wide range of stepper motor applications, from small projects to more demanding ones.

This controller comes with several user-friendly features, such as adjustable acceleration and deceleration, adjustable microstepping resolution, and various operating modes like free run, single-phase half-step, full step, and dual-phase microstep. It also features a built-in current limiting function, which helps protect the motor from overloading and ensures reliable operation.

The controller communicates with external devices through a variety of interfaces, including an opto-isolated input for external pulse and direction signals, an optional serial interface for remote control, and a 6-pin JST connector for sensor inputs. The controller is also powered through a 2.1mm DC jack, making it easy to connect and use.

The TLA Micro Systems 27938 Step-U 21001 Unipolar Stepper Motor Controller is a robust and reliable solution for controlling stepper motors, offering precise control, flexible operating modes, and easy integration with various projects. Its user-friendly design and extensive features make it an excellent choice for both beginners and experienced users.

TLA Micro Systems' 27938 Step-U 21001 Unipolar Stepper Motor Controller by Parallax is a popular choice among hobbyists and DIY enthusiasts for controlling stepper motors in projects. Here are some pros and cons that can help you make an informed decision about purchasing this controller:

1. Widely Compatible: This controller can be used with various stepper motor types, including unipolar and bipolar motors. It supports step resolutions from 1 to 32 microsteps per full step.

2. Easy to Use: The Step-U 21001 is an easy-to-use controller, featuring a simple interface and intuitive programming. It can be controlled using Parallax's proprietary Basic Stamp microcontroller or other microcontrollers via parallel I/O or UART connections.

3. Versatile: It offers various control modes, such as full step, half step, and microstep modes, making it suitable for a wide range of applications.

4. Durable: The controller is built to last, with a robust design that can handle the demands of various projects.

5. Good Documentation: TLA Micro Systems provides extensive documentation and sample code to help users get started with the controller quickly.

1. Limited Current Capability: The Step-U 21001 can only handle a maximum current of 1.5 Amps per coil, which may not be sufficient for high-power applications.

2. Basic Functionality: While the controller is versatile, it lacks advanced features typically found in more professional-grade stepper motor controllers, such as current sensing, thermal protection, or regenerative braking.

3. Limited Parallel I/O Channels: The controller has a limited number of parallel I/O channels, which may not be enough for complex motor control setups.

In conclusion, TLA Micro Systems' 27938 Step-U 21001 Unipolar Stepper Motor Controller is an excellent choice for hobbyists, educators, and DIY enthusiasts looking for an easy-to-use, versatile, and widely compatible stepper motor controller. However, it may not be suitable for high-power applications or projects requiring advanced features.

If you are looking for a more advanced stepper motor controller with higher current handling capacity, more I/O channels, or advanced features, consider other options on the market. However, if you are just starting out with stepper motor control or working on a project with moderate power requirements and a limited budget, the Step-U 21001 is a solid choice.

Details:

With its unipolar run method and compact design, this controller is perfect for controlling stepper motors with ease precision. The TLA Little Step-U 21001 Unipolar Stepper Motor Controller by Parallax 27938 is a reliable and efficient motor control device designed for industrial automation motion systems. The TLA brand, known for quality and innovation, ensures that this product will meet the needs of businesses looking a dependable motor control solution.

part #: 27938 prices

• $17.95-$29.00

specifications steppertrol:

• brand: Tla Microsystems
• mpn: 27938
• part type: Motor Controller
• run method: Unipolar

returns steppertrol:

• time: 30 Days
• method: Money back
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• policy: Returns Accepted

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• carrier: USPS
• class: Standard
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• transit: 4-9 Days
• cost: $4.95

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• sold: 0
• options: Ship-to-home
• started: March 26, 2026
• quantity: 3
• availability: In Stock

general steppertrol:

• condition: Used
• Drives Starters > Drives Motor Controls > Stepper Controls Drives

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• rating: 99.9%
• city: Stamford, Connecticut
• # reviews: 3681