sg90 micro servo motor specifications

When you think of micro servo motors, the SG90 is likely one of the first names that pops up. It's a favorite for hobbyists, DIY enthusiasts, and even professionals who need precise motion control without the heavy lifting of larger, bulkier motors. But what exactly makes the SG90 stand out?

Let’s start with its size. Compact and lightweight, the SG90 is one of the smallest servo motors you can get. It weighs just around 9 grams and measures 22.2 x 11.8 x 31 mm. Despite its small frame, don’t let that fool you. This motor is capable of providing up to 1.8 kg/cm of torque, making it highly functional in a variety of applications—from robotic arms to RC planes and even automated systems.

Now, you might be wondering, “Can such a tiny motor handle all my projects?” Absolutely. The SG90 operates with a standard 4.8V to 6V power supply, which means it’s super easy to integrate into most DIY electronics projects. Whether you’re working with an Arduino, a Raspberry Pi, or even just a basic microcontroller, the SG90’s compatibility is part of what makes it so popular.

It’s also worth noting that it has a 180-degree rotation range. For projects that need precise, controlled movement, this feature is a game-changer. Think about it—whether you're building a robotic gripper, a pan-tilt camera system, or even a tiny drone, that ability to move within a specific range with accuracy is exactly what you need.

But what about its durability? Well, you don’t need to worry too much. The SG90 features a plastic gear setup that provides a balance between cost and reliability. While it may not be the toughest motor in the market, its longevity is perfectly adequate for most light-to-moderate applications.

In terms of control, this motor uses Pulse Width Modulation (PWM) signals, which is the standard in the industry for controlling servos. It’s super easy to interface with, making the SG90 a breeze to control whether you’re a seasoned pro or just starting out. And since it operates on a 3-wire configuration (VCC, GND, and Signal), wiring it up is as simple as it gets.

Some users, however, might have concerns about precision. While the SG90 can certainly handle basic tasks, it’s important to keep in mind that for more advanced projects requiring high precision or heavy-duty performance, you may want to look at other options. But for typical hobby projects, the SG90 is a dependable choice, offering a solid balance between performance and cost.

So, why choose the SG90? It’s all about versatility and value. This motor has become a staple in hobby electronics because it offers just the right combination of size, power, and ease of use for a wide variety of projects. If you’re looking for a small but reliable servo motor that won’t break the bank, the SG90 is a smart pick. Whether you're building a simple robot or enhancing your RC model, the SG90 delivers where it matters most—without the complexity or expense of larger, more specialized motors.

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.