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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

Tamiya 70168 double gearbox - set

DIY kit consisting of two Tamiya DC motors with gears. The system is equipped with a hexagonal shaft with a diameter of 3mm. User can select gear ratios: 12.7:1, 38:1, 115:1 or...
Index: PLL-00062
Index: PLL-00062
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Regular price €10.63 Price €7.44
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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 €1.93 Price €1.93

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 MT51 3V

A small metal motor powered by 3 V. Idle current 80 mA. Dimensions: 17,3 x 7 mm. Shaft diameter: 0,8 mm.
Index: MOT-04722
Index: MOT-04722
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Regular price €1.43 Price €1.43

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 €21.68 Price €21.68

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 €8.01 Price €8.01

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 €23.22 Price €23.22

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 €23.22 Price €23.22

MT36 3,7V

Small metal motor powered by 3.7 V. Idle current 60 mA. Dimensions: 8 x 4 mm. The output is a wire with the insulation removed.
Index: MOT-08497
Index: MOT-08497
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Regular price €0.76 Price €0.76

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 €8.01 Price €8.01

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 €7.14 Price €7.14

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

Plastic motor with 48:1 gearbox. Dual shaft turns at up to approx. 90 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-02488
Index: DGU-02488
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Regular price €6.49 Price €6.49

DC Motor Dagu DG01D with 120:1 Gear 4,5V - double sided shaft - 2pcs.

Plastic motor with 120:1 gearbox. Dual shaft turns at up to approx. 60 rpm, torque is 0.8 kg*cm (0.078 Nm). Powered by 4.5 V, it draws an average of 190 mA of current (max 250...
Index: DGU-02489
Index: DGU-02489
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Regular price €6.18 Price €6.18

14x4,5mm Wheels for Sub-Micro Motors with Planetary Gear - 2pcs. - Pololu 2356

A set of two wheels with rubber tyres with an outside diameter of 14 and a width of 4.5 mm. Wheels are compatible with shaft with the diameter of 2 mm - they are suitable for...
Index: PLL-02375
Index: PLL-02375
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Regular price €2.15 Price €2.15

Motor with 1000:1 Gear - Pololu 1596

A miniature motor from the low power series by Pololu with a 1000: 1 gearbox, has 14 rpm, the torque is 5.0 kg * cm (0.490 Nm).
Index: PLL-00727
Index: PLL-00727
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Regular price €31.90 Price €31.90

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

A wheel with a tyre of 65 mm diameter and 26 mm width, together with a motor powered by 5 V , with a current consumption of about 180 mA. The motor has a gear ratio of...
Index: ZES-16472
Index: ZES-16472
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Regular price €3.23 Price €3.23

Micro metal gearmotor HP 100:1 320RPM - Pololu 1101

Pololu's high power miniature motor with 100:1 gearing, has 320 RPM, torque is 2.2 kg*cm (0.215 Nm).
Index: PLL-00246
Index: PLL-00246
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Regular price €21.68 Price €21.68

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.