SG90 Micro Servo – 180° (9g)

🔧 SG90 Micro Servo – 180° (9g)

Overview

The SG90 is a lightweight and compact micro servo motor with precise 0–180° rotation. It’s widely used in robotics, RC projects, DIY electronics, and Arduino-based systems. It delivers reliable performance with low power consumption and is easy to interface using PWM control.

Key Features

• Operating voltage: 4.8–6 V

• Stall torque: ~1.8 kg·cm @ 4.8 V / ~2.4 kg·cm @ 6 V

• Speed: ~0.12 s/60°

• Rotation range: 0–180°

• Pulse control: 1–2 ms signal every 20 ms

• Standard 3-wire connector (Brown = GND, Red = V+, Orange = Signal)

• Compact plastic gear body: ~22.2 × 11.8 × 31 mm, weight ~9 g

Wiring with Arduino UNO

⚠️ Make sure Arduino GND and external power GND are connected.

✅ Resources

• 🎥 YouTube Tutorial: How to Use SG90 Micro Servo with Arduino

• 🧰 Library: Servo (Arduino built-in)

  • To Add: Arduino IDE → Sketch → Include Library → Servo