The SG90 Servo Motor is one of the most commonly used micro servos in electronics and robotics projects. It is small, lightweight, affordable, and ideal for beginners working with Arduino, Raspberry Pi, or other microcontrollers. 🔹 Key Specifications (SG90): Operating Voltage: 4.8V – 6V DC Torque: ~1.8 kg·cm at 4.8V Speed: ~0.1 sec/60° at 4.8V Rotation Range: ~0° to 180° (not continuous) Gear Type: Nylon / plastic gears (not as durable as metal gear servos) Weight: ~9 g Dimensions: 22.2 × 11.8 × 31 mm Control: PWM (Pulse Width Modulation) Connector Wires: Brown/Black → GND Red → VCC (5V recommended) Orange/Yellow → Signal (PWM input) 🔹 Features: Lightweight and compact (great for small projects) Low power consumption Easy to use with Arduino Servo library Widely available and inexpensive 🔹 Applications: Small robotics projects (arms, walkers, grippers) RC planes, cars, boats, helicopters Pan-tilt camera holders Automation and DIY electronics Educational kits and hobby projects