Youmile 2pcs Proximity Sensor DC5-30V NJK-5002C Hall Effect Switch Proximity Sensor NPN 3 Wire Normally Open Magnetic Proximity Switch Bracket M12

Youmile 2 pcs Inductive Proximity Sensor DC5-30V NJK-5002C Hall Sensor Hall Effect Switch Proximity Sensor NPN 3-Wires Normally Open with Magnet Proximity switch bracket M12

AZDelivery M12 LJ12A3-4-Z/BX Inductive Proximity Sensor 12mm Switch Detector 300mA 6-36 VDC 5V NPN Normally Open (NO) 3 Wire compatible with Arduino including E-Book!

ELEGOO 120pcs Multicolored Dupont Wire 40pin Male to Female, 40pin Male to Male, 40pin Female to Female Breadboard Jumper Ribbon Cables Kit Compatible with Arduino Projects