Swpeet 10Pcs V-155-1C25 Micro Limit Switch Long Hinge Roller Momentary Cherry Push Button SPDT Snap Action Perfect for Arduino, Appliance and Electronic Equipment: Amazon.com: Industrial & Scientific
5v Relay Module 1 Channel Relay Board for Raspberry Pi with Opto-Isolated High or Low Level Trigger 5v 1 Channel Relay Switch for Arduino: Amazon.com: Industrial & Scientific
Amazon.com: Gikfun 12x12x7.3 mm Tact Tactile Push Button Momentary SMD PCB Switch with Cap for Arduino (Pack of 25pcs) AE1027 : Industrial & Scientific
Swpeet 24Pcs Micro Limit Switch Assorment Kit, Long Hinge Roller Momentary Cherry Push Button SPDT Snap Action Perfect for Arduino, Appliance and Electronic Equipment - V-151/152/153/154/155/156-1C25: Amazon.com: Industrial & Scientific