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DC sub-micro motors with gear

Products: 4
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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 €1.80 Price €1.80

Sub-micro DC Motor 136:1 500 RPM 0,6 kg*cm - Pololu 2358

Small, cylindrical, uncored motor with planetary gear 136:1 supplied with 3 - 6 V. Speed is 500 rpm, torque 0.6 kg*cm. External diameter is 6 mm, length 16 mm and total weight...
Index: PLL-02376
Index: PLL-02376
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Regular price €11.14 Price €11.14

Sub-micro DC Motor 700:1 90 RPM 0,9 kg*cm - Pololu 2359

Small, cylindrical, coreless motor with planetary gear 700:1 powered from 3 V to 6 V. Speed is 90 rpm, torque 0.9 kg*cm. External diameter is 6 mm, length 21 mm and total...
Index: PLL-05989
Index: PLL-05989
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Regular price €10.91 Price €10.91

Sub-micro DC Motor 26:1 2500 RPM 0,1 kg*cm - Pololu 2357

Small, cylindrical, coreless motor with a 26:1 planetary gearbox powered from 3 to 6 V. Speed is 2500 rpm, torque 0.1 kg*cm. Outer diameter is 6 mm, length 16 mm and total...
Index: PLL-02377
Index: PLL-02377
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Regular price €10.67 Price €10.67

Passport to the world of micro-robots

Experienced electronics they're able to solder SMD elements with sizes of the order of fractions of a millimetre. The presence of small tiles, are equipped with microcontrollers is AVR that modern ARM also gives a huge room for maneuver. The same is true of lithium batteries in sizes of several millimeters. There remains only the question of mechanics. Independent design reducer with gears with a diameter of millimeters separate impossible at home, but, fortunately, no longer required – you can buy ready-made DC motors sub-micro with gear that will allow You to build a very small robot with a mobile device. In our assortment you will find three versions of these discs are suitable for various applications.

More compact will not work!

Available in our offer DC motors sub-micro transmission offer a rotation speed of 90 rpm (1.5 vol/h), 500 rpm (about 8,3 km/h) up to 2500/sec (less than 42 Rev/sec). Because the speed of rotation of the output shaft of the reducer increases with the degree of gear ratios, hence less is also torque. So the fastest of these models of DC motors sub-micro has a torque of 0.1 kg*cm (which is like on these dimensions is still an excellent result), the average model delivers a torque of 0.6 kg*cm, and the slowest – up to 0.9 kg*see Such a wide variety allows you to choose the engine model suitable for a miniature robot. In the construction of racing would be the best engine, quick, and to applications such as micro sumo should consider the model of medium or slow (but it offers high torque).

The use of DC motors sub-micro

Having developed a robot that is driven by DC motors sub-micro gear it is worth remembering that exactly the same as any other engine, you need to choose the right driver you the nutrition requirements of the actuator. Despite its small size DC motors sub-micro, you may need a current of about 400 mA, although the average current consumption when powered 6 Volt is only 45 it is necessary to reckon with dynamic changes of this magnitude in moments of special stress mechanical shaft of the gearbox. Therefore, it is necessary to provide for the application of the battery, correct discharge and put on quite a powerful bridge H – the best of the maximum current of the order of 600 or even 1A (per channel).