2 Pack SG90 Micro Servo Motor – 180° 9g Standard Servo

SG90 Micro Servo Motor

Compact SG90 9g micro servo with approximately 180° rotation, perfect for lightweight robotics, RC models, and Arduino/ESP32 projects that need simple, precise position control in tight spaces.

SG90 Micro Servo Motor Compatibility 

Works with Arduino, ESP32, ESP8266, Raspberry Pi, STM32, and most hobby RC receivers using standard 3‑wire PWM control (GND, VCC, signal) at ~50 Hz.

Key Features 

Tiny, lightweight 9 g micro servo that still delivers useful torque for small linkages, levers, and steering mechanisms.

Approximate 0–180° rotation range (about 90° in each direction from center), controllable by simple PWM pulses from a single digital pin.

Plastic gear train keeps the servo affordable and light, well‑matched to small robots and pan‑tilt mechanisms.

Standard JR‑style 3‑pin connector (brown/black = GND, red = VCC, orange/yellow = signal) for plug‑and‑play use with servo headers and extensions.

Ships with multiple servo horns/arms and mounting hardware so you can easily attach it to brackets, wheels, or linkages.

Technical Specs

Model: SG90 9g micro servo, 180° version.

Operating voltage: typically 4.8–6.0 V DC (works well from most 5 V supplies).

Stall torque: around 1.2–1.8 kg·cm at 4.8 V (exact rating varies by manufacturer batch).

Operating speed: roughly 0.1–0.12 s/60° at 4.8 V (no load).

Rotation range: approximately 0–180° controlled via 1–2 ms pulses in a 20 ms period (about 500–2400 µs typical pulse width range).

Dimensions: about 22 × 11.5 × 27–31 mm; weight ~9 g.

Cable length: typically around 25 cm.

Ideal Uses

Small robots, walkers, and articulated mechanisms where compact size matters.

Pan‑tilt camera mounts, small grippers, and sensor positioning for ultrasonic or IR modules.

RC planes, cars, and boats that need light control surfaces or steering.

Educational Arduino/ESP32 projects for teaching basic servo control and motion.

What’s Included

4 × SG90 Micro Servo Motor (180°).

Safety Note

Always power the SG90 from a stable 4.8–6 V supply rather than from a microcontroller’s 5V regulator when using multiple servos, and avoid long‑term stall conditions to prevent overheating and premature wear.