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servo motor sg90 specifications

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Published2025-10-18

Looking to spice up your project with some reliable motion control? Let's talk about one of the smallest but mighty players on the field— the SG90 servo motor. You’ve probably bumped into it during your tinkering or DIY adventures, especially if you're diving into robotics or automation projects. That tiny, seemingly simple gadget packs a punch, and understanding its specs can make or break your design.

First off, the SG90 is celebrated for its compact size. Think of it as the perfect little companion for lightweight projects. Its dimensions hover around 23mm by 12mm by 29mm, making it ideal for tight spots where space is at a premium. This isn’t just about size—it's about how it fits into your vision without taking up unnecessary room. Imagine a drone's wing or a small robotic arm; it’s these kinds of places where SG90 shines because it’s light enough not to tip the balance but precise enough for controlled movements.

Speaking of precision, the rotational accuracy is pretty solid for its class. It typically covers a rotation angle of 0 to 180 degrees. Want to choreograph a tiny servo to perform a specific action? No problem— precise control over a half-circle swing is pretty much baked in. Its speed is another selling point. Usually, it can achieve around 0.12 seconds per 60 degrees, which sounds technical but boils down to quick movements that won’t delay your project.

Power-wise, it operates on 4V to 6V DC, giving you plenty of room to choose your power supply. Want to run multiple in parallel? Just make sure your power source can handle the collective load—simple, straightforward, and reliable. Its stall torque hovers around 1.8 kg·cm at 4.8V, which means it can handle modest loads without breaking a sweat. Perfect for small robotic grippers or tiny camera gimbals. It’s not built for heavy lifting but excels at delicate tasks that require finesse.

Wondering about durability? The SG90’s design includes metal gears, which help it sustain repeated movements without wearing out quickly. Granted, it’s not industrial-grade, but for hobbyist projects and prototypes, it’s pretty tough. Plus, it’s easy to find replacements or compatible parts, which keeps your momentum going.

Now, a quick tangent—what makes the SG90 so popular? It’s that combo of affordability, availability, and reliability. When you’re experimenting or doing rapid prototyping, having a component that performs well under moderate loads and remains cost-effective is a lifesaver. Alongside that, its universal control signals—usually PWM—make integration seamless across different microcontrollers and platforms.

Thinking about implementing it? It’s common to ask, “Will this work with my microcontroller?” chances are, yes. Just match the PWM signal, power it correctly, and you’re set.

In essence, the SG90 combines size, control precision, light weight, and affordability into a tiny package. Whether you want to animate a miniature robot, adjust a camera angle, or automate a small device, this servo brings a practical, versatile option to the table. Experience has shown that when you pick the right servo motor, especially one like the SG90, your project’s performance and reliability get a real boost.

So, if you're after a gadget that punches above its weight, consider what this little motor can do—you might be surprised how far it’ll take your ideas.

Established in 2005, Kpower has been dedicated to a professional compact motion unit manufacturer, headquartered in Dongguan, Guangdong Province, China. Leveraging innovations in modular drive technology, Kpower integrates high-performance motors, precision reducers, and multi-protocol control systems to provide efficient and customized smart drive system solutions. 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:2025-10-18

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