servo motor sg90 specs

Looking for a compact yet powerful servo motor that can handle your latest DIY robotics project or automation setup? The SG90 servo motor might just be what you need. It’s small, lightweight, but packs enough punch for various precision tasks. Imagine it like the nimble finger of your robot—delicate enough for precise movements but with the strength to hold a position or turn a small arm smoothly.

One of the first things that catch your eye with the SG90 specs is its operating voltage. Typically, it runs comfortably between 4.8 to 6 volts. That means it's versatile enough to plug into common microcontrollers without needing extra power shields. But what really makes it stand out? It’s the torque—up to about 1.8 kg/cm at 4.8V. Yes, that’s enough to lift tiny objects or rotate small components in your prototypes. For many hobbyists, that’s a perfect sweet spot—powerful enough without being bulky or heavy.

Speed is another calling card. The SG90 can rotate about 0.12 seconds for a full 60-degree turn at 4.8V, and just a touch faster at 6V. Ideal for quick, controlled movements—think of servo-controlled camera gimbals or small robotic arms. It’s this speed combined with decent holding torque that makes it so popular among enthusiasts trying to build something that looks, moves, and feels just right.

Durability? Well, it’s not a beast that could withstand continuous ultra-heavy loads all day, but it’s designed to handle typical hobbyist use. The plastic gear train means it’s lightweight but also a touch more fragile than metal gear servos, so gentle handling and proper mounting help maximize its lifespan. In real-world terms, push it too hard or run it day in and day out without breaks, and it might give you some trouble. But for most projects, it’s reliable enough—if you're not planning on a robot that lifts furniture or runs marathons.

A quick note on control: it’s standard PWM (pulse width modulation), which means it’s compatible with most microcontroller platforms. No fussing around with weird signals—just standard signals that you probably already know how to generate. And that’s part of what makes the SG90 great: it’s plug-and-play for a lot of DIY setups.

Want to know if it’s right for your project? Ask yourself: do I need a cheap, lightweight, fast servo that can handle small loads? Then the SG90 specs say yes. It’s perfect for inserting into robotic arms, camera sliders, or even aircraft models where weight and size matter more than brute strength.

When you’re choosing a servo motor like this, you want to consider not just the specs, but how it performs in real life. It’s fantastic for rapid prototyping or educational projects. It pulls its weight without breaking the bank or adding excessive bulk. Whether you’re building an articulated arm or a tiny autonomous vehicle, the SG90 offers a reliable blend of speed, torque, and ease of use. That makes it a favorite for creative minds who want to see their ideas move without complicated setup or hefty costs.

If you’re wondering about the details, remember that this is not about heavy-duty industrial applications. But for what it’s designed for—lightweight, precise, quick movements—it’s a real winner. Enough power for fun experiments, reliable performance for your hobby, and simple enough for anyone eager to get something up and moving fast.

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