sg90 micro servo motor specifications

Looking for a tiny yet powerful motor that packs a punch in your robotics or DIY projects? The SG90 micro servo motor might just be your new best friend. It’s small, it’s affordable, and it’s surprisingly versatile. If you’re into building robots, drones, or any kind of automation gadget, chances are you’ve heard of it—or maybe you’re considering it right now. Let’s take a deep dive into what makes the SG90 tick.

First off, size matters here—this little guy is compact but mighty. Usually around 23 millimeters in height and 22 millimeters in width, it fits snugly into tight spots that larger servos can’t squeeze into. That’s part of its charm. Its lightweight aluminum gears make it durable enough for everyday tinkering but still light enough to not weigh down your project. Imagine it as the espresso shot of servo motors—small but with a punch of energy.

Power-wise, the SG90 operates smoothly on a voltage range of about 4.8 to 6 volts. Think of it as being able to run off a standard AA battery pack or a small lithium-polymer cell. The torque? It can push around 1.2 kilograms per centimeter, enough for basic robotic arms, steering mechanisms in remote-controlled cars, or hobbyist cameras. And the speed? It can rotate from 0.12 seconds to a full 180 degrees—quick enough to keep up with most small-scale automation needs.

Now, a common question: "Can it handle continuous rotation?" Well, not quite. The SG90 is designed for precise position control, not continuous spinning. If someone’s thinking of a conveyor belt or a wheel, this isn’t their go-to. But for angle adjustments, positioning tasks, or opening/closing mechanisms, it’s a dream.

Durability is always a concern. Here’s what’s interesting—its plastic body makes it lightweight but also somewhat vulnerable to physical shocks. That said, if you’re not throwing it across the room, it holds up well under normal use, especially when mounted properly.

Why choose the SG90? Because it’s a kid-friendly intro to servos that doesn’t break the bank, yet offers impressive control for small projects. The tiny size, combined with decent torque and speed, open up endless possibilities. Plus, it’s widely compatible with most microcontrollers like Arduino, making integration seamless.

One more thing—how long can it run? With proper voltage and moderate loads, it can operate continuously for hours, but don’t forget to give it a break if you’re pushing its limits. Overworking it can lead to wear, just like anything else.

Imagine yourself tweaking a robot arm, adjusting a drone’s camera angle, or even experimenting with a stylized puppet. The SG90 can handle those tasks. Its specs are enough to inspire confidence that it’ll perform reliably, even in light-demand applications.

That’s the real fascination—it’s not just a miniature piece of hardware. It’s what unlocks creative potential in countless small projects. Sometimes, it’s the little things that make a big difference.

Established in 2005, Kpower has been dedicated to a professional compact motion unit manufacturer, headquartered in Dongguan, Guangdong Province, China.