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Search results for: 'water quality sensor arduino'

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Waterproof Portable DO and BOD Meter
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  1. IP65 Waterproof Front Panel 10.4 12.1 15 Inch DDR3 4G 128g 3558u I3 3th 4th RS232 Touch Screen Industrial Panel PC
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    IP65 Waterproof Front Panel 10.4 12.1 15 Inch DDR3... SKU : SENKE101118570001
    Special Price US$314.09 Regular Price US$348.99
  2. Smart Keyless Fingerprint Lock USB Rechargeable Waterproof Anti-Theft Security Padlock Door Luggage
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    Smart Keyless Fingerprint Lock USB Rechargeable Wa... SKU : 32972119791
    Special Price US$18.48 Regular Price US$20.53
    Out of stock
  3. Waterproof Keyless Bluetooth Fingerprint Lock Padlock Anti-Theft APP Control Door Cabinet Smart
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    Waterproof Keyless Bluetooth Fingerprint Lock Padl... SKU : 32968330769
    Special Price US$24.70 Regular Price US$27.44
    Out of stock
  4. Waterproof Mini portable Bluetooth smart Fingerprint Lock Anti Theft iOS Android APP control door
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    Waterproof Mini portable Bluetooth smart Fingerpri... SKU : 32962995679
    Special Price US$25.20 Regular Price US$28.00
    Out of stock
  5. IP43 waterproof RFID keypad standalone access control board 125KHz smart lock card reader for door a
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    IP43 waterproof RFID keypad standalone access cont... SKU : 32817514160
    Special Price US$21.17 Regular Price US$23.52
  6. IP65 Waterproof Access Control System Kit Set Of RFID Card Reader Keypad With Electric Lock+Power Su
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    IP65 Waterproof Access Control System Kit Set Of R... SKU : 32849064406
    Special Price US$111.19 Regular Price US$123.55
  7. Free Software Mask Detection Door Sensor SIP Access Control Door Open Linux 5 Inch Face Reader System
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    Free Software Mask Detection Door Sensor SIP Acces... SKU : WCAM101119340619
    Special Price US$101.03 Regular Price US$112.25
  8. Wireless/ Wired 5 Inch Door Sensor Facial Recognition Access Control System
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    Wireless/ Wired 5 Inch Door Sensor Facial Recognit... SKU : WCAM101119340597
    Special Price US$102.03 Regular Price US$113.37
  9. LPSECURITY NO NC infrared sensor exit button door release no touch palm shape model for gate door ac
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    LPSECURITY NO NC infrared sensor exit button door ... SKU : 32811531119
    Special Price US$2.69 Regular Price US$2.99
  10. 1set FPM10A fingerprint Module for Optical fingerprint sensor + 1pcs UNO R3 MEGA328P with usb cable
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    1set FPM10A fingerprint Module for Optical finger... SKU : 32844031842
    Special Price US$34.00 Regular Price US$37.78
  11. Original Xiaomi AQara Cube Controller Zigbee Smart Sensor Six Actions For Smart Home Device work wit
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    Original Xiaomi AQara Cube Controller Zigbee Smart... SKU : 32869883204
    Special Price US$25.00 Regular Price US$27.77
  12. Fingerprint RFID Access control system set Control Machine Digital Scanner Sensor For Door Lock Ti
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    Fingerprint RFID Access control system set Contro... SKU : 32828709267
    Special Price US$227.47 Regular Price US$252.75
  13. Original Xiaomi Mi Cube Controller Zigbee Version Controlled by Six Actions with Phone App for Smart
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    Original Xiaomi Mi Cube Controller Zigbee Version ... SKU : 32810263920
    Special Price US$21.42 Regular Price US$23.80
  14. 5 Inch SIP Dynamic Face Recognition Access Control System TCP/IP Time Attendance Solutions
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    5 Inch SIP Dynamic Face Recognition Access Control... SKU : WCAM101119340635
    Special Price US$110.03 Regular Price US$122.26
  15. 125kHz Single Door Wiegand Input and Output Muti-Fuction RFID Access Control with Touch Screen Keypad
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    125kHz Single Door Wiegand Input and Output Muti-F... SKU : NORDS10092217
    Special Price US$19.32 Regular Price US$21.47
  16. IP68 Magnetic Adsorption USB 125kHz RFID Card Guard Patrol System
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    IP68 Magnetic Adsorption USB 125kHz RFID Card Guar... SKU : 101015000007
    Special Price US$34.95 Regular Price US$38.83
  17. Best Price IP68 RFID Monitoring Guard Tour Patrol Management System RFID Card Reader
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    Best Price IP68 RFID Monitoring Guard Tour Patrol ... SKU : 101015000004
    Special Price US$59.81 Regular Price US$66.45
  18. 4m Flash Memory IP68 Magnetic USB 125kHz RFID Card Guard Tour Patrol System Item
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    4m Flash Memory IP68 Magnetic USB 125kHz RFID Card... SKU : 101015000002
    Special Price US$51.74 Regular Price US$57.49
  19. IP68 Magnetic Adsorption USB 125kHz RFID Card Guard Tour Machine Real Time Guard Tour RFID Reader Price
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    IP68 Magnetic Adsorption USB 125kHz RFID Card Guar... SKU : 101015000001
    Special Price US$54.02 Regular Price US$60.02
  20. School Bus 4G Face Access Camera Time Attendance Machine with Free Software and Sdk
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    School Bus 4G Face Access Camera Time Attendance M... SKU : WCAM101119340639
    Special Price US$165.05 Regular Price US$183.39
  21. 4G WiFi Qr RFID Touch Screen Face Access Terminal Unit for School Bus
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    4G WiFi Qr RFID Touch Screen Face Access Terminal ... SKU : WCAM101119340638
    Special Price US$165.05 Regular Price US$183.39
  22. Face Reader with Doorbell
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    Face Reader with Doorbell SKU : WCAM101119340541
    Special Price US$120.03 Regular Price US$133.37
  23. In Stock Xiaomi Sherlock Smart lock M1 mijia Smart door lock Keyless Fingerprint+Password work to Mi
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    In Stock Xiaomi Sherlock Smart lock M1 mijia Smart... SKU : 32844910217
    Special Price US$135.04 Regular Price US$150.04
  24. ZK Multibio700 Face Access Control Door Controller With Fingerprint And RFID Card Reader 1500 Face C
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    ZK Multibio700 Face Access Control Door Controller... SKU : 32266908299
    Special Price US$117.60 Regular Price US$130.67
    Out of stock
  25. DC12V/24V Wall Mount Door Holder Door Stopper Stainless Steel
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    DC12V/24V Wall Mount Door Holder Door Stopper Stai... SKU : NORDS101023460001
    Special Price US$12.27 Regular Price US$13.63
  26. DC12V/24V Wall Mount Door Holder Door Stopper Stainless Steel
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    DC12V/24V Wall Mount Door Holder Door Stopper Stai... SKU : NORDS10092231
    Special Price US$9.41 Regular Price US$10.45
  27. WiFi None Screen Face Recognition Access Controller
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    WiFi None Screen Face Recognition Access Controlle... SKU : WCAM101119340543
    Special Price US$67.03 Regular Price US$74.48
  28. DIYSECUR TCP/IP USB Fingerprint ID Card Reader Password Keypad Door Access Control System + Power
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    DIYSECUR TCP/IP USB Fingerprint ID Card Reader Pas... SKU : 32788518520
    Special Price US$63.84 Regular Price US$70.93
    Out of stock
  29. DIYSECUR Full Complete Fingerprint And Id Card Door Access Control System +Drop Bolt Lock + Remote C
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    DIYSECUR Full Complete Fingerprint And Id Card Doo... SKU : 1291125498
    Special Price US$193.71 Regular Price US$215.23
    Out of stock
  30. 2n Relay Outputs Metal Keyboard 4-Operation Mode Metal Metal Single Door RFID Elevator Access Control
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    2n Relay Outputs Metal Keyboard 4-Operation Mode M... SKU : NORDS10092167
    Special Price US$12.43 Regular Price US$13.81
  31. DIYSECUR Full TCP / IP Fingerprint ID Card Reader Door Access Control Kit + Magnetic Lock + Exit
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    DIYSECUR Full TCP / IP Fingerprint ID Card Reader ... SKU : 1290724467
    Special Price US$173.03 Regular Price US$192.25
    Out of stock
  32. DIYSECUR Full Complete LCD Fingerprint And Id Card Reader Password Keypad Door Access Control System
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    DIYSECUR Full Complete LCD Fingerprint And Id Card... SKU : 2039616781
    Special Price US$193.71 Regular Price US$215.23
    Out of stock
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