This kit contains a very compact, light duty servo motor, mounting plates, horn plates and mounting hardware to integrate it with your NXT/EV3
SG90 9G Micro Servo Motor Kit for RC Robot Arm/Hand/Walking
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Mindstorms RCX, Brickipedia
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Lego Mindstorms EV3 - base set Lego 31313* Botland - Robotic Shop
Meet the Raspberry Pi Build HAT: create with Raspberry Pi and LEGO
NXT Race Car
Logger Pro® 3 - Vernier Software
Robo Pico: Simplifying Robotics for Raspberry Pi Pico / Pico W
HiTechnic color sensor - for Lego Mindstorms EV3 Botland - Robotic