LEGO MOC Switch Points RC V4 by Technic TRAIN Man | Rebrickable - Build with LEGO
High Tech Power Function Servo Train Motor Polarity Switch Light Set IR Speed Remote Control Receiver Battery Box DIY toys|Technic/Electronic Blocks| - AliExpress
MOCI RC Engineering Crane Building Blocks, for Liebherr LTM 11200, with 14 Motors, 1* Switch, 2 *Extension Cables, Small Particle Compatible Lego Technic, 8528PCS, Red, 148 x 54 x 29cm (10656742NGW)
Super simple switches lubing station I made out of Lego Technic pieces. The lego pins fit (almost) perfectly into the switch : r/MechanicalKeyboards