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Power HD Micro Servo HD-1800A

Model No: ROB-00027

TK. 715.18

TK. 579.01

Availability: In stock

Quantity:

Category: Motor

Supplier: Pololu, USA

This is a great general-purpose actuator for tiny mechanisms. The lead is terminated with a standard “JR”-style connector, which is Futaba-compatible. Mounting screws and an assortment of servo horns is included with this servo. The product picture shows an example of this included hardware. 


Note that, as with most hobby servos, stalling or back-driving this servo can strip its gears.

Click here to know more.

For Specification check out the datasheet. Here we represent two common question.

 

What are the three wires coming out of servo?

Most standard radio control servos have three wires, each a different color. Usually, they are either black, red, and white, or they are brown, red, and orange/yellow:
  • brown or black = ground (GND, battery negative terminal)
  • red = servo power (Vservo, battery positive terminal)
  • orange, yellow, white, or blue = servo control signal line

Please check the specs for your servo to determine the proper power supply voltage, and please take care to plug the servo into your device in the proper orientation (plugging it in backwards could break the servo or your device).




How many degrees can this servo turn? Why do we not list it with the other specifications?

We do not specify the range of rotation of our servos because this information is not generally available from servo manufacturers. RC servos are usually intended for controlling things like the steering mechanism in an RC car or the flaps on an RC plane. Manufacturers make sure that the range is enough for these typical applications, but they do not guarantee performance over a wider range.

This means most RC servos will rotate about 90° using the standard 1–2 ms pulse range used by most RC receivers. However, if you are using a controller capable of sending a wider range of pulses, many servos can rotate through almost 180°.

 

You can find a servo’s limits if you use a servo controller that can send pulses outside of the standard range. To find the limits, use the lowest possible supply voltage at which the servo moves, and gradually increase or decrease the pulse width until the servo does not move any further or you hear the servo straining. Once the limit is reached, immediately move away from it to avoid damaging the servo, and configure your controller to never go past the limit.

 

You might be wondering why we do not just follow the above steps for all the servos we carry and list a specification for degrees of rotation. Unfortunately, since servo manufacturers do not specify the range of rotation, it might change from one manufacturing run to the next. They will not inform us about changes that are not specified, and we have no way of knowing if or when they might change their manufacturing process.

Question & Answer

Total 1 questions

Q: How to control this servo motor for a certain angel. can u help me? Questioned by irfan00785, 26-Apr-2013

Checkout our document section. You'll get quite helpful info there. Answered by Fahad, 27-Apr-2013 07:47 AM

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