In DC motors, electrical energy from the voltage source is converted into mechanical energy. This in turn becomes the energy of continuous rotation. DC motors are widely used. They are used in household appliances, industrial automation systems, electric gates and many power tools. They also work well in robots, so it will be an excellent electric machine for your next project. We can distinguish several types of DC motors, which differ in the way they work, but also in their purpose. You will find them in our offer! These are DC motors with encoder, right angular gearbox and also gearless motors. Check our offer, compare parameters of individual models of DC motors and choose the one that best fits your project. With the DC motor, your robot will be set in motion, will carry out the commands given to it and carry out the tasks entrusted to it. Discover its potential!
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CAN Bus Module - MCP2515 - SPI - hat for Feather - Adafruit 5709
Index: ADA-22888
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DC motors
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Mini DC Motor MT64 3-6V - justPi
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
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
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
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
Micro motor N20-BT39 1000:1 32RPM - 9V
The N20 series miniature motor with 1000:1 gearing, has 32 RPM, torque is 9 kg*cm (0.883 Nm). The supply voltage is from 3V to 9V.
Index: DNG-12601
Index: DNG-12601
Micro motor N20-BT25 50:1 630RPM - 9V
The N20 series miniature motor with 50:1 gearing, has 630 RPM , torque is equal to 1.1 kg*cm (0.107 Nm) . The supply voltage is from 3V to 9V .
Index: DNG-12567
Index: DNG-12567
Micro motor N20-BT04 30:1 1000RPM - 12V
N20 series miniature motor with 30:1 gearing, has 1000 RPM , torque is 0.6 kg*cm (0.059 Nm). The supply voltage is from 3V to 12V.
Index: DNG-12544
Index: DNG-12544
Micro motor N20-BT42 75:1 170RPM - 6V
The N20 series miniature motor with 75:1 gearing, has 170 RPM, torque is 0.6 kg*cm (0.059 Nm). The supply voltage is 6 volts.
Index: DNG-12604
Index: DNG-12604
Micro motor N20-BT07 100:1 320RPM - 12V
The N20 series miniature motor with 100:1 gearing, has 320 RPM , torque is 2.2 kg*cm (0.216 Nm). The supply voltage is from 3 V to 12 V.
Index: DNG-12547
Index: DNG-12547
Micro motor N20-BT18 5:1 250RPM - 9V
The N20 series miniature motor with 5:1 gearing, has 250 RPM , torque is 0.5 kg*cm (0.049 Nm). The supply voltage is from 3V to 9V.
Index: DNG-12560
Index: DNG-12560
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Micro motor N20-BT30 150:1 150RPM - 9V
The N20 series miniature motor with 150:1 gearing, has 150 RPM and the torque is equal to 1.7 kg*cm (0.167 Nm). The supply voltage ranges from 3 V to 9 V.
Index: DNG-12589
Index: DNG-12589
Micro motor N20-BT39 1000:1 14RPM - 9V
The N20 series miniature motor with 1000:1 gearing, has 14 RPM, torque is equal to 5 kg*cm (0.49 Nm). The supply voltage is from 3V to 9V.
Index: DNG-12600
Index: DNG-12600
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
Micro motor N20-BT15 30:1 440RPM - 9V
The N20 series miniature motor with 30:1 gearing, has 440 RPM , torque is 0.3 kg*cm (0.029 Nm). The supply voltage is from 3V to 9V.
Index: DNG-12554
Index: DNG-12554
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
Micro motor N20-BT41 100:1 150RPM - 6V
The N20 series miniature motor with 100:1 gearing, has 150 RPM, torque is 0.3 kg*cm (0.029 Nm). The supply voltage is 6 volts.
Index: DNG-12603
Index: DNG-12603
Micro motor N20-BT13 10:1 2200RPM - 9V
The N20 series miniature motor with 10:1 gearing, has 2200 RPM , torque is 0.2 kg*cm (0.02 Nm) . The supply voltage is from 3V to 9V.
Index: DNG-12552
Index: DNG-12552
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 8 impulses per revolution (after the transfer of...
Index: DFR-06287
Index: DFR-06287
Micro motor N20-BT44 250:1 90RPM - 6V
The N20 series miniature motor with 250:1 gearing, has 90 RPM, torque is equal to 3 kg*cm (0.294 Nm). The supply voltage is 6 volts.
Index: DNG-12606
Index: DNG-12606
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
Micro motor N20-BT31 210:1 60RPM - 9V
The miniature motor in the N20 series with 210:1 gearing, has 60 RPM and the torque is equal to 1.9 kg*cm (0.186 Nm). The supply voltage ranges from 3 V to 9 V.
Index: DNG-12590
Index: DNG-12590
Micro motor N20-BT06 75:1 400RPM - 12V
The N20 series miniature motor with 75:1 gearing, has 400 RPM , torque is equal to 1.6 kg*cm (0.157 Nm). The supply voltage is from 3 V to 12 V.
Index: DNG-12546
Index: DNG-12546
A small metal motor powered by 5 V. Idle current 66 mA. Overall dimensions: 27 x 15,5 mm. Speed approx. 13800 rpm.
Index: MOT-04723
Index: MOT-04723
Micro motor N20-BT24 50:1 625RPM - 9V
The N20 series miniature motor with 50:1 gearing, has 625 RPM, torque is equal to 1.1 kg*cm (0.107 Nm). The supply voltage is from 3V to 9V.
Index: DNG-12566
Index: DNG-12566
DC motors are used, among others, in industrial automation systems, household appliances, power tools, car components, electric gates, as well as in robots. In our offer you will certainly find a DC motor with parameters that meet the needs of your project !
How are DC motors constructed and how do they work?
The basic elements of the construction of a classic DC motor are permanent magnets forming the stator and windings connected to a package of copper sheets that form the rotor . The rotor is powered by carbon brushes that are in contact with a commutator formed by the rotor blades. When the rotor winding is connected to voltage, a current flows through it, which creates a magnetic field that causes the rotor to rotate due to interaction with the stator magnetic field. When the rotor windings are in a position parallel to the stator magnetic field lines, the commutator switches the polarity of the supply voltage, which results in the reversal of the direction of the magnetic field in the rotor circuit, maintaining its rotation continuously in one direction. In this way, the DC (direct current) motor is set in motion and drives the moving elements.
DC commutator motors - a simple design with many advantages
The simple design and repeatable production technology of DC commutator motors and their affordable price have made these machines popular in many hobby and professional applications. You can power DC motors with DC voltage from a battery or AC adapter . The higher the supply voltage, the higher the engine speed. Reversing the polarity of the battery or power supply will change the direction of motor rotation. If your application requires motor speed control, it is definitely worth choosing a PWM controller that allows smooth regulation of motor speed in the full range. The advantages of DC motors include high torque already in the lower speed range - even when the motor is mechanically loaded, it will be able to quickly achieve the required speed.
What factors should be considered when selecting a DC motor?
When selecting a motor for a specific project, you must take into account its most important rated parameters , i.e. supply voltage , current consumption , torque and rotational speed . The value of the supply voltage determines the effect in the form of required torque at the appropriate speed. Applying too low a voltage to the motor brushes will prevent the motor from starting, and applying too high a voltage than recommended by the manufacturer may result in too high a current flowing in the rotor circuit, which will be manifested by too strong electrodynamic and thermal influence, leading to permanent damage to the rotor and even the stator. Increasing the load on the motor shaft increases current consumption from the power source - in the case of engines operating with heavy loads, it is worth using an additional radiator that increases the heat dissipation surface. The engine speed must be selected according to the application requirements. Engines achieve their greatest efficiency at the highest rotational speed. Adding a gear reduces the engine speed. The torque on the engine shaft or the gear driven by it is a quantity that directly affects the engine's acceleration and its ability to be used in a specific application.
DC motors - direct current - FAQ
A DC motor (DC) is an electrical component that converts electrical energy into mechanical energy. DC motors take electrical energy using direct current and convert it into mechanical rotary motion.
The key criteria for selecting a DC motor include determining what voltage is readily available for a given application and what the physical size of the motor should be. Once you've determined these first two parameters, you can consider speed and torque.
DC motors take electrical energy using direct current and convert it into mechanical rotation. DC motors use magnetic fields created by the generated electric currents, which drive the movement of a rotor mounted on the output shaft.
If we use a direct current engine as a generator by rotating its rotor at a constant angular speed, we will also obtain direct current at the output, because the engine converts mechanical energy into electrical energy and electrical energy into mechanical energy in the same way.