10Pcs Reed Switch 10W Low Voltage Current Normally Open Magnetic Switch 2x14mm

microtivity IL188 5mm Assorted Clear LED w/ Resistors (8 Colors, Pack of 80)

New Mini 0.36 3 Digital LED Display DC 2.5-30V Red Volt Voltage Meter Voltmeter by Eachbid

100 x 2N2222 NPN TO-92 Plastic-Encapsulate Power Transistors 75V 600mA

Cylewet 10Pcs Reed Switch Normally Open (N/O) Magnetic Induction Switch Electromagnetic for Arduino (Pack of 10) CYT1004

uxcell® 5 Pcs 3144 Hall Effect Sensor Magnetic Detector 4.5-24V

uxcell® Glass Tube N/O SPST Reed Switches 15-20AT 10 Pcs

Kangnice Mini Handy 2~150mA LED Test Box Tester For Light-emitting Diode Lamp Bulb

uxcell 5pcs Recessed NO Security Alarm Door Window Contact Sensor Magnetic Reed Switch

Cylewet 15Pcs Reed Switch with Gilded Lead Normally Open (N/O) Magnetic Induction Switch Electromagnetic for Arduino (Pack of 15) CYT1065

Aven 17010 Adjustable Circuit Board Holder