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An electrical actuator that converts electrical energy into rotational motion or sustained linear motion (linear motor). There are many types of electric motors. If the specific type of motor is known, it is helpful to use or add a more specific tag, such as dc-motor, brushless-dc motor or induction-motor.

This question is very basic, but I'd like to ask it anyway. I need to drive a small motor. I'm thinking about connecting it directly to 4 AA batteries and using a simple switch. Is there anything …
asked Oct 10 '10 by AndrejaKo
amount of dropped voltage is dependent on the amount of current that passes through the resistor! So if you have a motor running with no load, the resistor will drop one voltage but when you put load … on the motor, the resistor will drop higher voltage (assuming your power source can provide enough power and 9 V batteries aren't the best option here, especially for motors). You can use a …
answered Mar 2 '12 by AndrejaKo
So I've found a motor circuit which looks like this: Since many users here believe that my hand-drawn circuit schematics are in fact pictures of flying spaghetti monster, I'll also provide a … written description: There are two input lines marked + and - going to the motor. There is a capacitor connected in parallel with the motor. There is one capacitor connected to the positive side of the …
asked Sep 15 '11 by AndrejaKo
The main difference is that ESC you linked is a complete module meant to be used by the end user. On the other hand, the motor controller you linked is just a bare component which is meant to be … integrated in a module. So the target audience is different. Motor controller is expected to be used by an engineer (or at least experienced hobbyist) who has necessary electronics knowledge to make it …
answered Aug 10 '13 by AndrejaKo
The problem with this question in my opinion is that it is too broad. If you want good answers, you should separate it in several questions. I'd start by first getting the fountain part done. Find a …
answered Nov 18 '10 by AndrejaKo
if you want to use battery with electrical motor. As for resistor part, well the best idea would be to control the motor using variable voltage to set the current. So yes, you can use a resistor to … limit current going through the motor. Do note that the resistor will use some of the power provided by the battery. …
answered Jun 13 '11 by AndrejaKo
you linked to. If you look carefully under step 7, you'll see that the battery ground is directly connected to Arduino ground. Since you have separate positive pins, you shouldn't get voltage spikes on the + 5 V from the motor. …
answered Mar 12 '13 by AndrejaKo