NE555 DC 5V 12V Delay Timer Relay Switch Module 0 to 10 Second (12V)
5V 12V 1 Channel IR Remote Control Relay Module Power Switch Self Locking (5V)
5 x KY-025 Magnetic Switch Reed Sensor Module
Yarryuter X99 Dual CPU Motherboard+ Cable+Switch Cable+Baffle+Thermal Grease LGA 2011 DDR4 Support 2011-V3 CPU Motherboard
10PCS DIP Switch 5 bit Way 2.54mm Toggle Switch Red Snap Switch
SEENGREAT 2 Channel Relay Module 2CH Relay Expansion Board for Raspberry Pi Zero/Zero W/Zero WH/2B/3B/3B+/4B STM32 Ardui, Optocoupler Isolation, Sliding Switch for DC3.3V/5V
Socobeta Mini Jumper Switch Portable 50cm for Computer Motherboard
sjlerst 8-channel Computer Control Switch Relay Module,5V Computer USB Intelligent Control Switch Relay Module Free driver,Suitable for Laptop Desktop PC Computer
MOUDOAUER PC Power Switch, 1.65/5/10m LED External PC Power Button ATX Desktop Computer Case Motherboard Switch
AZDelivery KY-004 3 Pin Button Key Switch Sensor Module compatible with Arduino Including E-Book!
5V 12V photosensitive resistance sensor plus relay module light control switch without light detection switch (12V)
AC 220V Timer Delay Switch Turn On/Off Time Relay Module (Delayed on 1-60S)