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Stepper 2 click carries a A4988 microstepping motor driver along with screw terminals for connecting a motor and a required external power supply (minimum 7V). The output drive capacity of the motor is up to 35V and ±2A. The A4988 chip is designed to drive bipolar stepper motors in full-, half-, quarter-, eight-, and sixteenth-step modes. A set of three onboard jumpers (J1-J3) allow you to switch between the different stepping modes. The board communicates with the target MCU through EN, RST, SL, ST and DIR pins (corresponding to AN, RST, CS, PWM and INT pins of the default mikroBUS configuration). Stepper 2 click can use both a 3.3V and 5V power supply. |
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STEPPER click is a stepper motor driver board in the mikroBUS form factor. It features the A3967SLBT microstepping motor driver, with a built-in translator for easily driving bipolar steper motors in full-, half-, quarter- and eighth-step modes with output drive capability of 30V and about ±500 mA. The package includes a standard B5B-XH-A connector (delivered unsoldered) for easily connecting your stepper motor. The motor can be powered from either the 5V mikroBus line, or from an external power supply (5-30V) using the provided screw terminal connector. The board can communicate with either 3.3V or 5V systems (selection by means of SMD jumper). An LED diode serves as a power indicator. |
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The Bipolar Stepper Motor Driver Board enables you to add stepper motor control to your applications. There is an on-board microstepping motor driver A3967SLB. The board supports Mixed, Fast and Slow Current-Decay Modes. |
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