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micro servo motor sg90 datasheet

小编

Published2025-10-17

Looking to bring some robotic dreams to life? The tiny but mighty SG90 micro servo motor might be just what you need. Honestly, this little beast has become a staple for hobbyists and tinkerers alike. It’s almost like the Swiss Army knife of servo motors—compact, reliable, and surprisingly powerful for its size.

First off, let's talk about what makes the SG90 stand out. Its small footprint—about 23 grams and 22.5 mm wide—means you can squeeze it into tight spaces. Whether you’re crafting a drone, a robotic arm, or some kind of automated gadget, this servo slides right in without causing fuss. The datasheet reads like a compact manual, but it’s packed with info you need. It details everything from the operating voltage—usually 4.8 to 6 volts—to the stall torque, which is around 1.8 kg/cm at 4.8V, making it suitable for light projects that don’t require brute strength.

What about precision? The SG90’s rotation angle is roughly 180 degrees, giving ample flexibility for most small movements. Its speed is around 0.12 seconds per 60 degrees at no load—pretty snappy for its size. Plus, the gear train is designed for durability. And yes, it does hum when running—be prepared for that, especially in quiet environments.

Now, I get questions like: “Will this servo handle my project’s demands?” Well, it’s more about match-making. For lightweight implementations, it’s spot-on. But if you’re considering heavy-duty applications or continuous operation under load, you might want to explore higher-torque options. Still, many DIY drones and animatronic figures swear by the SG90—mainly because it delivers just enough precision without burning a hole in your pocket.

Another thing—power consumption is quite reasonable. During operation, current draw hovers around 100mA, with peaks when the servo is under load. That's something to keep in mind if you're designing a battery-powered project—you’ll want a power setup that can handle that brief spike.

People also ask about compatibility. The datasheet confirms it’s compatible with most microcontrollers—think Arduino or Raspberry Pi—making integration seamless. The control signal is standard PWM, easy to generate even with simple boards.

Some might wonder about longevity. With proper use—avoiding overloads and providing adequate cooling—it can last a long time. But no servo is immortal; overusing it beyond its rated torque or running it in extreme environments can shorten its lifespan.

Thinking about assembly? It’s straightforward—the servo horn attaches with a small screw, and you simply connect the power, ground, and signal wire. It’s almost like playing with a really tiny robot part. And because it’s so widely used, finding tutorials or troubleshooting tips is a breeze.

In the end, if you’re after an affordable, versatile servo for light-duty automation, the SG90 from KPOWER checks all the boxes. It’s not just a component—you’re empowering your ideas to stretch their wings. Whether you’re starting out or refining your gadget, this servo’s datasheet reveals all you need to know to get it rolling. And isn’t that what matters? Moving forward, one project at a time.

Kpower has delivered professional drive system solutions to over 500 enterprise clients globally with products covering various fields such as Smart Home Systems, Automatic Electronics, Robotics, Precision Agriculture, Drones, and Industrial Automation.

Update:2025-10-17

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