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DC motors

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Mini DC Motor MT71 1,5-6V with Washer

Small metal motor powered from 1.5 V to 6 V. Idle current 22 mA. Dimensions: 24.4 x 12.8 mm. Speed approx. 3500 rpm.
Index: MOT-04724
Index: MOT-04724
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Regular price €1.06 Price €1.06

Mini DC Motor MT64 3-6V

Small metal motor powered from 3 V-6 V. Idle current 30 mA/ 3 V. Dimensions: 11,9 x 15,3 mm. Speed: approx. 14 000 rpm.
Index: MOT-00949
Index: MOT-00949
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Regular price €1.19 Price €1.19

Wheel + DC Motor 65x26mm 5V with 48:1 Gear

Wheel with a tyre diameter of 65 mm and a width of 26 mm, with motor powered with voltage of 5 V with a current consumption of approx. 180 mA. The engine has a gear 48:1,...
Index: MOT-03696
Index: MOT-03696
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Regular price €1.71 Price €1.71

Mini DC Motor MT78 3-6 V

Small metal motor powered from 3 V to 6 V. Idle current 200 mA. Dimensions: 38 x 20 mm . Speed 7400 rpm .
Index: MOT-00951
Index: MOT-00951
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Regular price €1.50 Price €1.50

Mini DC Motor MT62 3-6V

Small metal motor powered from 3 V - 6 V. Idle current 94 mA. Dimensions: 8 x 15 mm . Speed approx. 17000 rpm.
Index: MOT-01647
Index: MOT-01647
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Regular price €1.52 Price €1.52

Mini DC Motor MT86 3-6V

Small metal vibrating motor powered from 3 to 6 V. Idle current 250 mA. Dimensions: 32 x 24 mm.
Index: MOT-04721
Index: MOT-04721
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Regular price €1.28 Price €1.28

HP Motor with 30:1 Gear - Pololu 1093

Miniature high-power Pololu motor with 30: 1 gear, has 1000 rpm, the torque is 0.6 kg * cm (0.059 Nm).
Index: PLL-00730
Index: PLL-00730
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Regular price €21.68 Price €21.68

HP Motor with 1000:1 Gear - Pololu 1595

A miniature high-power engine from Pololu with a 1000: 1 gear, has 32 rpm, the torque is 9.0 kg * cm (0.882 Nm).
Index: PLL-00728
Index: PLL-00728
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Regular price €31.90 Price €31.90

Motor DC 6V, 11500RPM - Pololu 1117

DC brush motor. Nominal voltage 6V. Speed 11500 rpm. Maximum current 800 mA.
Index: PLL-00397
Index: PLL-00397
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Regular price €2.06 Price €2.06

Micro metal gearmotor HP 50:1 630RPM - Pololu 998

Pololu's high power miniature motor with 50:1 gearing, has 630 RPM, torque is 1.1 kg*cm (0.107 Nm).
Index: PLL-00064
Index: PLL-00064
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Regular price €21.68 Price €21.68

Mini DC Motor MT65 5V

A small metal motor powered by 5 V. Idle current 66 mA. Dimensions: 26,3 x 15,5 m m. Speed approx. 13800 rpm.
Index: MOT-04723
Index: MOT-04723
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Regular price €1.30 Price €1.30

Micro metal gearmotor HP 10:1 3000RPM - Pololu 999

Pololu's high power miniature motor with 10:1 gearing, has 3000 rpm, torque is 0.22 kg*cm (0.021 Nm).
Index: PLL-00015
Index: PLL-00015
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Regular price €23.85 Price €23.85

Mini DC Motor MT92 3-6V

Small metal motor powered from 3 V to 6 V. Idle current 500 mA. Dimensions: 43,6 x 27,7 mm.
Index: MOT-04719
Index: MOT-04719
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Regular price €2.04 Price €2.04

DC Geared Motor with encoder-SJ01 (6V 160RPM 120:1)

Motor with the 120:1 gearing, 160 rpm, torque of 0.8 kg*cm (0.07 Nm). The device has a quadrature encoder with a resolution of 16 impulses per revolution (after the transfer of...
Index: DFR-06287
Index: DFR-06287
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Regular price €8.66 Price €8.66

HP Motor with 50:1 Gear - doublesided shaft - Pololu 2213

Pololu's high power miniature motor with 50:1 gearing, has 630 RPM, torque of 1.1 kg*cm (0.107 Nm). It has an extended shaft to accommodate speed sensors.
Index: PLL-00037
Index: PLL-00037
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Regular price €24.96 Price €24.96

Micro Gearmotor HP 30:1 1000RPM with Extended Motor Shaft - Pololu 2212

Pololu's high power miniature motor with 30:1 gearing, has 1000 rpm, torque is 0.57 kg*cm (0.056 Nm). It has an extended shaft to allow the installation of speed sensors.
Index: PLL-00010
Index: PLL-00010
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Regular price €24.96 Price €24.96

Micro metal gearmotor HP 298:1 100RPM - Pololu 994

Pololu's high power miniature motor with 298:1 gearing, has 100 RPM, torque is 5.0 kg*cm (0.490 Nm).
Index: PLL-00116
Index: PLL-00116
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Regular price €21.68 Price €21.68

DC Geared Motor with encoder-SJ02 (6V 160RPM 120:1)

Motor with the 120:1 gearing, 160 rpm, torque of 0.8 kg*cm (0.07 Nm). The device has a quadrature encoder with a resolution of 16 pulses per revolution (after the transfer of...
Index: DFR-06288
Index: DFR-06288
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Regular price €9.09 Price €9.09

HP Motor with 75:1 Gear - Pololu 2361

A miniature high-power motor by Pololu with a gearbox of 75: 1, has 400 rpm, the torque is 1.6 kg * cm (0.156 Nm).
Index: PLL-00722
Index: PLL-00722
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Regular price €21.68 Price €21.68

DC Motor Dagu DG02S-L with 48:1 Gear 4,5V - angular with double sided extended shaft - 2pcs.

Angle motor with 48:1 gearbox. Plastic double-shaft gearbox rotates up to approx. 90 rpm, torque is 0.8 kg*cm (0.078 Nm). Powered by 4.5 V, it consumes an average of 190 mA of...
Index: DGU-02487
Index: DGU-02487
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Regular price €8.01 Price €8.01

Mini DC Motor MT92B 3-6V

Small metal motor powered from 3 V to 6 V. Idle current 400 mA. Dimensions: 37,8 x 27,7 mm.
Index: MOT-04718
Index: MOT-04718
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Regular price €2.37 Price €2.37

Dagu motor gear with 75:1 6V 133RPM

Motor with 75:1 metal gearbox providing 12 kg*cm (1.1 Nm) of torque. The supply voltage is 6 volts and the speed is 133 rpm.
Index: DGU-09406
Index: DGU-09406
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Regular price €18.21 Price €18.21

DC Motor Dagu DG01D-L with 48:1 Gear 4,5V - double sided shaft - 2pcs.

Plastic motor with 48:1 gearbox. Dual shaft turns at up to approx. 140 rpm, torque is 0.8 kg*cm (0.078 Nm). Powered by 4.5 volts, it draws an average of 190 mA of current (max...
Index: DGU-02490
Index: DGU-02490
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Regular price €7.36 Price €7.36

HP Motor with 10:1 Gear - doublesided shaft - - Pololu 2211

A miniature high-power motor by Pololu with a 10: 1 gearbox, has 3000 rpm, the torque is 0.3 kg * cm (0.029 Nm). It has an extended shaft that allows the installation of speed...
Index: PLL-00688
Index: PLL-00688
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Regular price €25.82 Price €25.82

Principle of the DC motor

DC motors are made of many elements, including permanent magnets. They are arranged in a stator and winding, which is connected to a packet of copper sheets, forming a rotor. These are the basic components of a DC motor. The rotor must be set in motion, which is done by means of carbon brushes, which have direct contact with the commutator. The current can only flow when the rotor winding is energized. The current produces a magnetic field which sets the rotor in motion. The rotation is maintained in a continuous, unchanging motion, which takes place in one direction by reversing the direction of the magnetic field generated in the circumference of the rotor. This is how the DC motor works and thus sets the specific elements of a device, equipment, machine or system in motion. The whole process is very effective and efficient. High quality DC motors, on the other hand, are characterized by high reliability and long service life. For these reasons they are so popular.

How to choose a DC motor?

We can choose from several types of DC motors, among which there is a commutator motor characterized by a simple design and already known to the electronic industry technology. They are also available at an attractive price, which also makes them a popular choice for robotics and electronics projects. Due to their good quality of work they are also used by professionals. We can supply DC motors with voltage, which comes from the mains adapter or battery. The speed depends on the voltage, it will be higher with a similarly higher voltage. If we reverse the polarity of the battery or power supply, the direction of rotation of the motor will change. The PWM controller is designed to regulate the full range of motor rotation, and it is worth to decide on it if it is necessary to regulate the motor rotation during operation.

When choosing a DC motor, you need to take into account a few key parameters that determine its functionality and proper fit to the project. Very important is the power supply voltage, which must not be too low, because it will prevent the motor from starting. If it is too high, it can damage the rotor or stator. If we increase the load on the motor shaft, an additional heatsink should be used. Its task is to increase the heat dissipation area. When purchasing, also pay attention to the motor speed, which is always adjusted to the design parameters of the robot or machine. The higher the speed, the higher the efficiency of the engine. We will reduce the engine speed by adding gears. You need to know that the torque determines the acceleration of the engine. Moreover, the possibilities and area of use of the robot, machine or device depend on it, so it plays such an important role.