?» The stepper motor driver Creative Works of Tom McGuire
Description: This circuit is designed to work with a variety of stepper motors, specifically 5 or 6 wire unipolar types. It operates within a voltage range of approximately 9 volts to 24 volts. A breadboard layout of the circuit is provided, and a printed circuit board (PCB) layout is available for those seeking a more professional solution. Three of these circuits are required for operation of the X, Y, and Z motors. Additionally, if a motor is rated for 12 volts and has a resistance of 24 ohms, the wattage can be calculated using the formula: 12 * (12/24) = 6 Watts. It is advisable to use a bulb close to 6 watts in the socket and a 24 volt power supply (12 * 2) to ensure optimal performance from the motor.
This circuit is suitable for driving 5 or 6 wire unipolar stepper motors, which are commonly used in various applications requiring precise control of position and speed. The design accommodates a voltage supply range from 9V to 24V, offering flexibility for different motor specifications.
The breadboard layout allows for easy prototyping and testing, while the option for a PCB layout caters to users looking for a more robust and permanent solution. For applications requiring multiple motors, such as in CNC machines or 3D printers, three identical circuits can be implemented to control the X, Y, and Z axes, ensuring synchronized movement.
In terms of motor performance, the example calculation provided demonstrates how to determine the appropriate wattage for the motor based on its voltage rating and resistance. This is crucial for selecting the correct load for the circuit. By using a bulb rated at approximately 6 watts, the circuit can simulate the motor load, allowing for effective testing and adjustment before connecting the actual motor. The recommendation to use a 24V power supply ensures that the motor operates efficiently, leveraging the full potential of its design.
Overall, this circuit design is practical for hobbyists and professionals alike, offering versatility in motor control applications while facilitating straightforward assembly and testing.This is designed to work with a varity of stepper motors, 5 or 6 wire unipolar types. Its also made to operate from about 9 volts to up to about 24 volts. Below is a bread board layout of the circuit but I can offer a PC board layout for those of you who want something a little more professional. You will need 3 of these for the X, Y, and Z motors . Onenice thing about this circuit is if you have a motor that is rated for 12 volts and has a resistance of 24 ohms then calculate the wattage of the motor like so: 12 * ( 12/24 ) = 6 Watts. Then put something close to a 6 watt bulb in the socket. Then use a 24 volt ( 12 * 2 ) power supply to run the circuit. It`s an easy way to get a more or less optimum preformance out of the motor.
This circuit is suitable for driving 5 or 6 wire unipolar stepper motors, which are commonly used in various applications requiring precise control of position and speed. The design accommodates a voltage supply range from 9V to 24V, offering flexibility for different motor specifications.
The breadboard layout allows for easy prototyping and testing, while the option for a PCB layout caters to users looking for a more robust and permanent solution. For applications requiring multiple motors, such as in CNC machines or 3D printers, three identical circuits can be implemented to control the X, Y, and Z axes, ensuring synchronized movement.
In terms of motor performance, the example calculation provided demonstrates how to determine the appropriate wattage for the motor based on its voltage rating and resistance. This is crucial for selecting the correct load for the circuit. By using a bulb rated at approximately 6 watts, the circuit can simulate the motor load, allowing for effective testing and adjustment before connecting the actual motor. The recommendation to use a 24V power supply ensures that the motor operates efficiently, leveraging the full potential of its design.
Overall, this circuit design is practical for hobbyists and professionals alike, offering versatility in motor control applications while facilitating straightforward assembly and testing.This is designed to work with a varity of stepper motors, 5 or 6 wire unipolar types. Its also made to operate from about 9 volts to up to about 24 volts. Below is a bread board layout of the circuit but I can offer a PC board layout for those of you who want something a little more professional. You will need 3 of these for the X, Y, and Z motors . Onenice thing about this circuit is if you have a motor that is rated for 12 volts and has a resistance of 24 ohms then calculate the wattage of the motor like so: 12 * ( 12/24 ) = 6 Watts. Then put something close to a 6 watt bulb in the socket. Then use a 24 volt ( 12 * 2 ) power supply to run the circuit. It`s an easy way to get a more or less optimum preformance out of the motor.
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