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2x Electronic Shaking Switch Vibration Sensor shake LYS-Z19 A10
$ 7.25
2x mechanical relay timer motion sensor moduel 555 light movement gear motor c11
$ 14.95
2x Ultrasonic Module HC-SR04 Distance 2pcs Detector Sensor Transducer b16
$ 7.95
5 Pieces N/C HDX-2 SW-420 Electronic Shaking Switch Vibration Sensor shake C22
$ 7.30
5x Electronic Shaking Switch Vibration Sensor shake LYS-Z19 A10
$ 11.00
5x mechanical relay timer motion sensor moduel 555 light movement gear motor c11
$ 34.00
6 Pieces TCRT5000 Infrared Reflective IR Optical Sensor Photoelectric Switch A18
$ 8.00
Ac Infrared Relay Rf Kit Sensor Beams Linear Garage Door Opener Transmitter A2
$ 41.95
arduino KY-038 Voice switch corridor module sound sensor detector A19
DC 5V Current Detector Sensor Module Short Circuit Detection Max AC 50A c23
$ 30.00
Groove optical coupling plus relay module speed measuring sensor 12v RPM C18
HR202L humidity resistance HR202L humidity sensor b8
$ 7.00
Infrared Relay RF Kit Sensor Beams Linear Garage Door Opener transmitter a2
$ 29.95
Motion pir SR501 HC-SR501 IR Infrared control relay module detection sensor B22
motion sensor Alarm High sensitivity DC 12V PIR Module Relay control security A7
motion sensor Alarm High sensitivity DC 12V PIR Module Relay security 24V C23
NE555 Adjustable Timer Switch delay truck car 12V control relay module sensor A
NTC 12V -50-110°C 12v Digital Thermostat Temperature Control Switch Sensor C17
$ 12.00
Reed switch 12v control relay module magnetic detect sensor C20
$ 14.00