EV3 and NXT: Difference and Compatibility – Robotsquare
This kind of micro servos can be used for helicopter, airplane, car and boat. It owns high quality and high cost performance. In the meanwhile, it is light weight and has a small size. I believe it is a good tool for you.
Beffkkip 4pcs SG90 9g Micro Servos for RC Robot Helicopter Airplane Controls Car Boat
▶High precision metal gears Micro Servo ▶Ideal for robot Plane Helicopter Boat Car ▶Ultra Light 13g, Size 23*12.1*23.8mm ▶Stall Torque: 2.2kg.cm @
AGFRC 2PCS Micro 9g Servo Servo Motor Kit - Digital 11g Metal Gear Mini Servo for RC Helicopter Airplane Boat Controls, Control Angle 180°
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FK Engineering's Blog: 2016
8 Pcs SG90 9G Micro Servo Motor Kit, MELIFE Mini Servos for RC Robot Arm/Hand/Walking Helicopter Airplane Car Boat Control with Cable : Toys & Games
This kit contains a medium duty 47 grams servo motor, mounting plates, horn plates and mounting hardware to integrate it with your NXT or EV3
47 Grams RC Servo with mounting kit for EV3 and NXT
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DIYmalls Feetech FS90R 360 Degree Continuous Rotation Micro RC Servo Motor 6V for Arduino Microbit Smart Car Robot (Pack of 2) : Toys & Games
9 Grams Servo Motor with Metal Gears