4pcs DC 5V Relay Module - 1 Channel Relay Switch Board with Optocoupler Isola...

NOYITO PWM Motor Speed Controller 20A DC 9V-60V 12V 24V 36V 48V Brush Motor C...

TEXAS INSTRUMENTS CD40106BE Inverter Schmitt Trigger IC (Pack of 4)

1pc NEW JIABEN DLK-2536R 25A 36VDC Trigger Switch

NE555 DW44 Monostale Circuit Module Falling Edge Trigger For Delay Switch Timer

4Pcs Color Thumb Finger Splint, Trigger Finger Splints, Finger Brace,Injured Mal

2pc NEW Defond EGD-3115Z DC24V 15RA Trigger switch

General Electric 4N33 GE Photodarlington Optocoupler (Pack of 22)