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| Specification | Details |
|---|---|
| Model Number | SG90 |
| Motor Type | Micro Servo Motor with PWM Control |
| Operating Voltage | 4.8V to 6.0V DC |
| Running Current (No Load) | 100 mA – 250 mA |
| Stall Current | ~650 mA (at 4.8V) |
| Stall Torque | 1.8 kg·cm (at 4.8V), ~2.0 kg·cm (at 6V) |
| Operating Speed | ~0.10 sec/60° @ 4.8V, ~0.08 sec/60° @ 6.0V |
| Rotation Angle | 0° to 180° (controlled via PWM) |
| Signal Type | PWM (Pulse Width Modulation) |
| PWM Control Range | 500 µs to 2500 µs pulse width |
| PWM Frequency | 50 Hz standard (20 ms pulse cycle) |
| Dead Band Width | ~10 µs (tight deadband for accurate positioning) |
| Gear Type | Nylon/Plastic gear train (lightweight & durable for light loads) |
| Gear Ratio | Approx. 180:1 |
| Motor Type (Internal) | Coreless DC motor |
| Connector Type | 3-pin Female Header (Signal, VCC, GND) |
| Cable Length | Approx. 25 cm (standard with 3-pin Dupont connector) |
| Housing Material | High-quality impact-resistant plastic |
| Horn Types Included | 3x Servo Arms (Single Arm, Cross Arm, Circular Disc) |
| Mounting Accessories | 3x Screws for mounting horn and servo |
| Weight | Approx. 9 grams |
| Dimensions (L×W×H) | 22.8 mm × 12.2 mm × 28.5 mm |
| Operating Temperature | -10°C to +50°C |
| Storage Temperature | -20°C to +60°C |
| Service Life | ≥ 100,000 cycles (under ideal usage and within load limits) |
| Noise Level | Low (suitable for indoor and quiet environments) |
| Mounting Hole Spacing | ~28 mm center-to-center (for bracket or frame integration) |
| Compatibility | Pi, STM32, ESP32, PIC, AVR, and other PWM-capable boards |
| Typical Load | Light-weight robotic parts, pan-tilt heads, RC control arms, etc. |
Offers smooth and accurate rotation from 0° to 180°.
Perfect for applications that require position-based movement, such as robotic arms, servo-driven joints, or camera gimbals.
Built with lightweight nylon/plastic gears engineered for low friction and long-lasting performance.
Offers quiet operation and low backlash, ideal for small-scale automation projects.
Weighs only ~9 grams, making it ideal for space-constrained and weight-sensitive projects such as drones, RC planes, or robotic pets.
Small size fits easily into chassis, enclosures, or models.
Operates on standard 5V logic, making it directly compatible with Pi, and many microcontrollers.
Can be powered by USB, battery packs, or power banks for portable use.
Equipped with a universal 3-wire connector:
Brown – Ground (GND)
Red – Power Supply (VCC)
Orange/Yellow – Signal (PWM)
Compatible with most servo headers and shields in robotics kits.
Controlled via standard Pulse Width Modulation (PWM) signals:
1 ms → 0°, 1.5 ms → 90°, 2 ms → 180°
Offers precise angle positioning, repeatable results, and flexible integration with software libraries like Servo.h in Arduino IDE.
Perfect for STEM learning, hobby projects, and robotic experiments.
Widely used in pan-tilt sensor mounts, auto-door mechanisms, robotic grippers, steering systems, and more.
Offers quiet and vibration-free motion, suitable for indoor, office, or lab environments where noise sensitivity matters.
Comes with multiple servo horns (arms) and mounting screws for easy integration and prototyping.
No soldering required—just plug, code, and move.
Despite its small size, it delivers up to 1.8 kg·cm torque, enough to lift or move lightweight mechanisms.
Trusted by hobbyists worldwide for stable and repeatable performance under light loads.
Rotates 60° in as little as 0.10 seconds, making it fast enough for responsive robotic controls.
Works flawlessly with:
Arduino Uno/Nano/MEGA
Raspberry Pi
ESP8266/ESP32
STM32, ATmega, and other microcontroller families
The SG90 Micro Servo Motor is a compact, lightweight, and efficient servo designed for applications requiring precise angular control. It is one of the most popular and widely used micro servos in the Arduino and robotics communities, thanks to its reliability, affordability, and easy integration into a variety of electronic projects.
With its 180° rotation range, the SG90 is ideal for applications where limited-angle, position-based movement is needed—such as in robotic arms, sensor alignment systems, camera gimbals, model vehicle steering, and automation mechanisms. Controlled via a standard PWM signal, the servo accurately positions its output shaft based on the duration of the control pulse, allowing for seamless interfacing with microcontrollers and platforms like Pi, ESP32, and STM32.
This good-quality servo features a high-torque coreless DC motor coupled with durable plastic (nylon) gears, offering a great balance of power and precision for small-scale tasks. Its low power consumption, quiet operation, and smooth movement make it perfect for home automation, remote-controlled models, educational robots, and more.
Ships within 48 hours · Estimated delivery Jun 27 - Jul 2
US$40
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