Tic T834 USB Multi-Interface Stepper Motor Controller
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The Tic T834 USB Multi-Interface Stepper Motor Controller makes basic control of a stepper motor easy, with quick configuration over USB using our free software. The controller supports six control interfaces: USB, TTL serial, I²C, analog voltage (potentiometer), quadrature encoder, and hobby radio control (RC). This version incorporates a TI DRV8834 driver, and male headers and terminal blocks are included but not soldered. It can operate from 2.5 V to 10.8 V and can deliver up to approximately 1.5 A per phase without a heat sink or forced air flow (or 2 A max with sufficient additional cooling).
The Tic family of stepper motor controllers makes it easy to add basic control of a bipolar stepper motor to a variety of projects. These versatile, general-purpose modules support six different control interfaces: USB for direct connection to a computer, TTL serial and I²C for use with a microcontroller, RC hobby servo pulses for use in an RC system, analog voltages for use with a potentiometer or analog joystick, and quadrature encoder for use with a rotary encoder dial. They also offer many settings that can be configured using our free configuration utility (for Windows, Linux, and macOS). This software simplifies initial setup of the device and allows for in-system testing and monitoring of the controller via USB (a micro-B USB cable is required to connect the Tic to a computer).
Features and specifications- Open-loop speed or position control of one bipolar stepper motor
- A variety of control interfaces:
- USB for direct connection to a computer
- TTL serial operating at 5 V for use with a microcontroller
- I²C for use with a microcontroller
- RC hobby servo pulses for use in an RC system
- Analog voltage for use with a potentiometer or analog joystick
- Quadrature encoder input for use with a rotary encoder dial, allowing full rotation without limits (not for position feedback)
- STEP/DIR inputs for compatibility with existing stepper motor control firmware
- Acceleration and deceleration limiting
- Maximum stepper speed: 50,000 steps per second
- Very slow speeds down to 1 step every 200 seconds (or 1 step every 1428 seconds with reduced resolution).
- Up to six different microstep resolutions:
- The Tic T825, Tic T834, and T249 support full step, half step, 1/4 step, 1/8 step, 1/16 step, and 1/32 step
- The Tic T500 supports full step, half step, 1/4 step, 1/8 step
- Digitally adjustable current limit
- Optional safety controls to avoid unexpectedly powering the motor
- Input calibration (learning) and adjustable scaling degree for analog and RC signals
- 5 V regulator (no external logic voltage supply needed)
- Optional limit switch inputs with homing capabilities
- Optional kill switch inputs
- STEP/DIR outputs for controlling external stepper motor drivers
- Connects to a computer through USB via a USB A to Micro-B cable (not included)
- Free configuration software available for Windows, Linux, and macOS
- Arduino library makes it easy to get started using these controllers with an Arduino or compatible board
- Comprehensive user’s guide
The Tic T834 is based on the DRV8834 IC from Texas Instruments. It can operate from 2.5 V to 10.8 V and can deliver up to approximately 1.5 A continuous per phase without a heat sink or forced air flow (the peak current per phase is 2 A). This version is sold unassembled so soldering is necessary to use it.
A version is also available that requires no soldering to use as the terminal blocks and main header pins are already installed.Dimensions
Size: 1.50″ × 1.05″ × 0.42″1 Weight: 5.0 g1 General specifications
Model: Tic T834 Motor driver: DRV8834 Control interface: USB; non-inverted TTL serial; I²C;
RC servo pulses; analog voltage; quadrature encoderMinimum operating voltage: 2.5 V Maximum operating voltage: 10.8 V Continuous current per phase: 1.5 A2 Maximum current per phase: 2 A3 Maximum step rate: 50000 PPS Microstep resolutions: full, 1/2, 1/4, 1/8, 1/16, and 1/32 Reverse voltage protection?: Y Connectors soldered?: N Identifying markings
PCB dev codes: tic02a Other PCB markings: 0J10607 Documentation and other information
Tic Stepper Motor Controller User’s Guide (Printable PDF)
User’s manual for the Pololu Tic USB Stepper Motor Controller.File downloads
- Tic Software and Drivers for Windows (9MB msi)
- Tic Software for Linux (x86) (8MB xz)
- Tic Software for Linux (Raspberry Pi) (6MB xz)
- Tic Software for macOS (7MB pkg)
- Dimension diagram of the Tic T500 USB Multi-Interface Stepper Motor Controller (198k pdf)
- Dimension diagram of the Tic T834 USB Multi-Interface Stepper Motor Controller (215k pdf)
- Dimension diagram of the Tic T825 USB Multi-Interface Stepper Motor Controller (199k pdf)
- Dimension diagram of the Tic T249 USB Multi-Interface Stepper Motor Controller (348k pdf)
- MPS MP6500 stepper motor driver datasheet (1MB pdf)
- Texas Instruments DRV8834 stepper motor driver datasheet (2MB pdf)
- Texas Instruments DRV8825 stepper motor driver datasheet (1MB pdf)
- TB67S249FTG datasheet (533k pdf)
- 3D model of the Tic T500 USB Multi-Interface Stepper Motor Controller (11MB step)
- 3D model of the Tic T834 USB Multi-Interface Stepper Motor Controller (11MB step)
- 3D model of the Tic T825 USB Multi-Interface Stepper Motor Controller (12MB step)
- 3D model of the Tic T249 USB Multi-Interface Stepper Motor Controller (12MB step)
- Drill guide for the Tic T500 USB Multi-Interface Stepper Motor Controller (82k dxf)
- Drill guide for the Tic T834 USB Multi-Interface Stepper Motor Controller (71k dxf)
- Drill guide for the Tic T825 USB Multi-Interface Stepper Motor Controller (76k dxf)
- Drill guide for the Tic T249 USB Multi-Interface Stepper Motor Controller (77k dxf)
- UM10204 I²C-bus specification and user manual (1MB pdf)
Recommended links-
Video: Getting Started with the Tic Stepper Motor Controllers
Getting up and running with your Tic stepper motor controller from Pololu is easy. This video will guide you through the basic steps to connect your Tic to its software and control a stepper motor from your computer.
Tic Stepper Motor Controller software source code
This repository contains the source code of the Pololu Tic Command-line Utility (ticcmd) and the Pololu Tic Control Center (ticgui). It also has drivers for Windows and build instructions.
Tic Stepper Motor Controller library for Arduino
This is a library for the Arduino IDE that helps interface with a Tic Stepper Motor Controller using serial or I²C.