Reviews Optical Level Sensor

CQRobot Ocean: Contact Water/Liquid Level Sensor Compatible with Raspberry Pi/Arduino. for Automatic Irrigation Systems, Aquariums, Plants, in The Garden, in Agriculture etc.

  • Contact Water/Liquid Level Sensor, This is a photoelectric water liquid level sensor that is operates using optical principles. Open collector output mode, suitable for connecting various circuits and product applications..
  • The sensor has no mechanical parts, requires no additional adjustment, and has high sensitivity, low power consumption, corrosion resistance, high pressure resistance, high temperature resistance and chemical stability..
  • This sensor probe is small in size and has a structure that can be placed up, down, laterally, and diagonally in multiple orientations to detect solution spillage, dryness and horizontal level. Can be used as a reminder and alarm function..
  • The sensor has a DIP switch. The DIP switch controls the output voltage (high level) of the signal terminal (green line). When the DIP switch is dialed to 5V, the high level is 5V. When the DIP switch is dialed At 3V, the high level is 3.3V..
  • Compatible with Arduino motherboard and Raspberry Pi motherboard. for Automatic Irrigation Systems, Aquariums, Plants, in The Garden, in Agriculture etc..
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Nikon Coolpix P900 Super Zoom Camera – New

  • 83x Optical Zoom, 166x Dynamic Fine Zoom super telephoto lens with Dual Detect Optical VR.
  • Swiveling Vari-angle display and high-resolution eye-level viewfinder.
  • Built in Wi-Fi and Near Field Communication (NFC) for instant sharing.
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Lightweight Wired Gaming Mouse with 7 Button 26RGB Backlit Programmable Driver PAW3325 12000 DPI Optical Sensor Ultralight Ergonomic 65G Honeycomb Shell Ultraweave Cable for PC Xbox PS4 Gamer Pink

  • 【65G Ultralight Ergonomic Honeycomb Shell】This lightweight PC gaming mice is designed with O-shaped perforated shape, reduces weight, saves more....
  • 【Multi Different RGB Backlight】This RGB gaming mouse has internal logo light and a bottom edge light ring bar, can offer 16 RGB backlit effect for....
  • 【7 Programmed Button】This lightweight mouse is equipped with 7 high quality button(50 million clicks lifespan) for basic operation and also allow....
  • 【Optimizer Optical Sensor】This professional gaming mouse adopt high precision main chip Pixart PAW3325 optical sensor with 6 level DPI and 4 level....
  • 【High Quality&Wide Compatibility】This wired mouse is made of premium plastic and long paracord with ergonomic symmetric honeycomb housing,....
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Nikon COOLPIX P900 Digital Camera Black

  • 24 2000-millimeter 35-millimeter equivalent focal length. Sensor size: 1/2.3 inch.
  • 83x optical zoom Nikkor super ED VR lens.
  • Electronic viewfinder. Highest ISO sensitivity: 6400.
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uxcell A13082300ux1431 2 Pcs Water Sensor Rainwater Module Rain Detection Module 3.3V-5V

  • Speed Measuring Sensor IR Infrared Slotted Optical Optocoupler Module Photo Interrupter Sensor for Motor Speed Detection.
  • IT can be used for slot-type photoelectric, as long as the non-transparent objects through the slot can trigger the output 5V TTL level. Schmitt trigger to use the trembling pulse, very stable, can be used for small car measuring speed, distance measurement and so on!.
  • Signal output indicator (while breaking the beam, outputs low level, the indicator lights up).
  • Infrared detection, eliminating the interferences of external stray light.
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Canon XA40 Professional UHD 4K Video Camcorder with 2 Pack 64GB SanDisk Memory Card + Case + Tripod + Filter Kit + Microphone + ZeeTech Accessory Bundle

  • Canon XA40 Professional UHD 4K Camcorder (International Model) - 8.29MP, 1/2.3'' CMOS Sensor, Up to UHD 4K30 Video Recording, Mini-HDMI Output, Integrated 20x Optical Zoom Lens, Dual XLR and Mic/Line Audio Input, Dual SD Relay and Simultaneous Recording, DIG!C DV 6 Processor, 3'' Touchscreen LCD, Tiltable Viewfinder..
  • This Professional Camcorder features a Genuine Canon 20x Optical Zoom Lens that provides a highly versatile zoom range with a 35mm equivalent of 29.3-601mm to help capture newsworthy recordings near and far. Zoom speed can be set to either a variable or constant (with 16 levels) speed setting, with Fast, Normal or Slow zoom speed levels..
  • The XA40 Professional Camcorder represents Canon's 4K UHD System, delivering truly excellent image quality and reproduction for most any news-gathering application. With its 20x Optical Zoom Video lens, its 4K UHD CMOS Pro Image Sensor and the powerful DiG!C DV 6 Image Processor working together to capture and process the images at hand, the XA40 is positioned to deliver HD video that is nothing short of stunning..
  • The ZeeTech Camera Bundle Accessory Includes: Canon CA-570 Compact AC Power Adapter.
  • BP-820 Lithium-Ion Single Battery Pack (1780mAh).
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MSI Gaming 5000 Adjustable DPI RGB USB Gaming Grade Optical Wired Gaming Mouse (Clutch GM11) (S12-0401650-CLA) (Renewed)

  • Stunning RGB lighting with over 7 lighting effects.
  • 5-Level DPI sensor matches with 5 different colors.
  • Fine-tune detail settings with Dragon center.
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Canon XA40 Professional UHD 4K Video Camcorder with 2 Pack 64GB SanDisk Memory Card + Case + Tripod + Wideangle Lens + Flash + Microphone + Filter Kit + ZeeTech Accessory Bundle

  • Canon XA40 Professional UHD 4K Camcorder (International Model) - 8.29MP, 1/2.3 inch CMOS Sensor, Up to UHD 4K30 Video Recording, Mini-HDMI Output, Integrated 20x Optical Zoom Lens, Dual XLR and Mic/Line Audio Input, Dual SD Relay and Simultaneous Recording, DIG!C DV 6 Processor, 3 inch Touchscreen LCD, Tiltable Viewfinder..
  • This Professional Camcorder features a Genuine Canon 20x Optical Zoom Lens that provides a highly versatile zoom range with a 35mm equivalent of 29.3-601mm to help capture newsworthy recordings near and far. Zoom speed can be set to either a variable or constant (with 16 levels) speed setting, with Fast, Normal or Slow zoom speed levels..
  • The XA40 Professional Camcorder represents Canon's 4K UHD System, delivering truly excellent image quality and reproduction for most any news-gathering application. With its 20x Optical Zoom Video lens, its 4K UHD CMOS Pro Image Sensor and the powerful DiG!C DV 6 Image Processor working together to capture and process the images at hand, the XA40 is positioned to deliver HD video that is nothing short of stunning..
  • The ZeeTech Camera Bundle Accessory Includes: Canon CA-570 Compact AC Power Adapter.
  • BP-820 Lithium-Ion Single Battery Pack (1780mAh).
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ENDGAME GEAR XM1r Gaming Mouse Programmable Mouse with 5 Buttons and 19,000 DPI XM1r Dark Reflex

  • COMPETITIVE GAMING MOUSE: The key to success is in your hand —literally—with Endgame Gear’s new and improved XM1r Gaming Mouse! Its 5 buttons,....
  • SUPERIOR, SMOOTH MOVEMENT: Tighten reaction time with Kailh GM 8.0 switches that register immediately. The PixArt PAW3370 optical sensor (up to 19,000....
  • CUTTING-EDGE COMFORT: The symmetrical XM1r is anti-sweat and easy to grip. The 2 main buttons, 2 thumb buttons, and mouse wheel enable simultaneous....
  • WIDELY COMPATIBLE: Available in black, white, dark frost, or dark reflex, the XM1r wired mouse measures 6.58 x 3.81 x 12.19 cm and weighs only 2.47....
  • NEXT LEVEL OF THE XM1: The XM1r is a refresh of the XM1 Gaming Mouse featuring an updated PixArt PAW3370 optical sensor and custom-sorted Kailh GM 8.0....
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Lightweight Gaming Mouse with Ergonomic Honeycomb Shell 6 RGB Backlight Mode 7 Button Programmable Driver Adjustable 6400 DPI Optical Sensor Wired Ultraweave USB Cable for PC MAC Computer Gamer Black

  • 【69G Ultralight Ergonomic Honeycomb Shell】This lightweight PC gaming mice is designed with O-shaped perforated shape, reduces weight, saves more....
  • 【6 different RGB Backlight】This RGB gaming mouse has internal logo light and a bottom edge light ring bar, can offer 6 RGB backlit mode for your....
  • 【6 Programmed Button】This lightweight mouse is equipped with 6 high quality button(20 million clicks lifespan) for basic operation and also allow....
  • 【Optimizer Optical Sensor】This professional gaming mouse adopt high precision main chip optical sensor with 6 level....
  • 【High Quality&Wide Compatibility】This wired mouse is made of premium plastic and long paracord with ergonomic symmetric honeycomb housing,....
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uxcell 4Pcs Dark Green Metal Motorcycle Rear Driven Sprocket Screw Bolts for CG125

  • ... way you hold it, make using more comfortable especially when gaming. Avoid disengaging the palm of your hand from the mouse when you move the it, which will affect your work effectiveness, especially in games that can be used comfortably for a long time.
  • 【High Precision Sensor】:The mice adopts a high-definition optical gaming sensor, ensuring the fastest switch. Micron level high precision optical sensor, with 1000-6400 adjustable DPI,Green represents 1000 DPI, Purple represents 1600 DPI, Blue represents 3200 DPI, Red represents 6400 DPI.
  • 【Durable& Service】:With more than 16 million keystrokes test, the gaming mice has a longer lifespan. Blade Hawks has 2 years shelf life. If you have any problem with Blade Hawks products.
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Blade Hawks RGB Wired USB Mouse for Computers 60g Ultra-Lightweight Honeycomb Computer Mice Gaming Mouse with 6 Function Buttons 7 Backlight 6400 Adjustable DPI Compatible with Windows PC Laptop

  • 【7 Lighting Mode 】:The wired computer mouse provides customizable lighting modes including breathing,RGB gradient,Single color alternating mode.....
  • 【60g Ultralight and Breathable】: This pc usb mouse is only 60G, which is equivalent to the weight of a pen.The unique ventilation hole design not....
  • 【Ergonomic Design】 ：Ergonomic housing of this lightweight PC comfortable mouse can fit your palm perfectly whichever way you hold it, make using....
  • 【High Precision Sensor】:The mice adopts a high-definition optical gaming sensor, ensuring the fastest switch. Micron level high precision optical....
  • 【Durable& Service】:With more than 16 million keystrokes test, the gaming mice has a longer lifespan. Blade Hawks has 2 years shelf life. If you....
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BLATN Smart 128s Air Quality Monitor Indoor CO2 PM2.5 TVOC Meter Formaldehyde HCHO Detector VOCs Pollution AQI Tester PM1.0 PM10 Dust Particle Counter Data Logger Home

  • ...el tiny particle number detection (Number of particles/liter)--PM0.3, PM0.5, PM1.0, PM2.5, PM5.0, PM10.
  • 3-channel particulate matters quality detection (μg/m³)--PM1.0, PM2.5, PM10.
  • 003cb003eCO2 & HCHO SENSOR003c/b003e -- NDIR Non-Spectral Infrared CO2 Carbon Dioxide Sensor with self-calibration, Absorption chamber Optical Coating.
  • Electrochemical formaldehyde HCHO sensor with automatic calibration, double platinum catalytic electrode, strong anti-interference ability.
  • 003cb003eTVOC CHEMICAL POLLUTION003c/b003e -- Semiconductor TVOC meter can test a variety of volatile organic compounds TVOC VOCs, such as benzene, toluene, xylene, aromatic hydrocarbons, aldehydes, hydrogen sulfide etc., captures the change in molecular concentration of organic compounds at the thousandth level.
  • 003cb003eDATA LOGGING UPGTADE003c/b003e -- Smart air quality monitor indoor upgrade in 2021: Support data storage and export of all 12 testing items, with date and time, frequency: once every 1 minute. MAX storage capacity can be expanded to 8G, which can store up to 400 days of records.
  • 003cb003ePROFESSIONAL & ORIGINAL003c/b003e -- air quality alarm base on US standard.
  • stereo air convection sampling and active air interactive system.
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