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Description
Stepper motorcontroller based on L298P system. Powered from 6 - 20 V, with a maximum current consumption of 1 A per coil. Maximum resolution: 1/8th step. The module allows up to 1 A current flow without heat sink. There is a button on the board to test the motor/board connection and DIP switches to change the step resolution.
The controller supports both bipolar and unipolar motors. In addition to the digital signal, the controller has a built-in UART interface, so the module can also be controlled by a computer using a UART - USB converter.
Control via UART
Using the UART interface the user can:
- Turn on / off, start / brake and change the direction of rotation of the motor
- Adjust engine speed
- Demand an encoder value
- Track the encoder values and brake the motor
- Set a new baudrate for the controller
Exits
The module communicates through a digital interface and UART.
| PIN | Description |
|---|---|
|
X NC X Y NC Y |
Connectors for stepper motor connection. For more information, seethe user manual (Chapter5). |
| VM | Motor supply voltage. |
| GND | The weight of the system. |
| DIR | Motor rotation direction signal input. |
| EN |
Stepper Driver EnablePin. |
| PULSE |
Step pulse signal input. |
| GND |
The weight of the system. |
| DTR |
Pin connected to pin Reset via 0.1 uF capacitor |
| TX |
UART interface transmission pin. |
| RX |
UART interface transmission pin. |
| VSEL |
5 V system connected to the 5 V pin on the board. |
| CTS |
NC - not connected. |
| GND |
The weight of the system. |
Specification
- Supply voltage: 6 V to 20 V
- Current consumption: continuous 1 A (momentary 1.8 A)
- The voltage of the logical part: 5 V
- The deal: L298P
- Number of steps: 1 / 2 / 4 / 8 - controlled by DIP switches
- Maximum pulse speed: 1 kHz (depends on motor parameters)
- Bidirectional control
- Pin Enable / Disable to select low power mode
- No heatsink/fan installation required
- Communication: digital / UART
- Baudrate: default 9600
- Dimensions: 74 x 66 mm
Useful links |
