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Security Sensors

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Overview The XH M214 Humidity Controller Soil Sensor is a module designed for convenient monitoring of soil moisture levels With its sensor directly inserted into the soil it accurately measures and displays the soil moisture in a digital format This module incorporates a user friendly design that triggers watering when the humidity drops below the set threshold and automatically stops watering when the desired humidity level is reached By providing precise control over irrigation this intelligent and user centric controller simplifies plant care making it effortless to maintain optimal soil moisture for healthy plant growth Features Directly insertable soil sensor for accurate soil moisture …
$12.99
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Features 1 High Accuracy Measurement The 30A ACS712 Current Sensor Module is designed to provide highly accurate measurements making it perfect for use in Arduin0 and DIY projects With a maximum error of just 1 5 you can trust this sensor to deliver precise readings every time 2 Green Terminal and Straight Pins This current sensor module features a convenient green terminal and straight pins making it easy to connect to your project The green terminal provides a secure and reliable connection while the straight pins make it easy to insert into a breadboard or other circuit board 3 Wide Range of Applications Whether you re building a DIY project or working on an Arduin0 project …
$5.49
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Specifications Model HLK LD2410BSensing Technology Radar based human presence detectionInstallation Plug and play easy assemblySensing Range Up to 5 metersDetection Angle 60 degrees coverageAdjustable Sensitivity Supports range partitioning and interference blockingConfiguration bluetooth or serial interface for multi level intelligent parameter adjustmentVisual Debugging and Configuration ToolSize Compact size of 42mm x 28mmInstallation Options Supports various mounting options such as ceiling or wallFrequency 24GHz ISM bandCertification Compliant with FCC and CE frequency spectrum regulationsFeatures 1 Comprehensive Detection The sensor module can sensitively detect and recognize …
$11.44
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Introduction to RC522 chip MF RC522 is a high integration read write card chip used in 13 56MHz contactless communication It is a good choice for the development of smart meters and portable handheld devices The MF RC522 utilizes advanced modulation and demodulation concepts and fully integrates all types of passive contactless communication methods and protocols at 13 56 MHz Supports 14443A compatible transponder signals The digital part handles ISO14443A frame and error detection In addition it supports the fast CRYPTO1 encryption algorithm and verifies the MIFARE series of products The MFRC522 supports the MIFARE series of higher speed contactless communication with bidirectional …
$6.49
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Introduction to RC522 chip MF RC522 is a high integration read write card chip used in 13 56MHz contactless communication It is a good choice for the development of smart meters and portable handheld devices The MF RC522 utilizes advanced modulation and demodulation concepts and fully integrates all types of passive contactless communication methods and protocols at 13 56 MHz Supports 14443A compatible transponder signals The digital part handles ISO14443A frame and error detection In addition it supports the fast CRYPTO1 encryption algorithm and verifies the MIFARE series of products The MFRC522 supports the MIFARE series of higher speed contactless communication with bidirectional …
$10.99
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Specifications Frequency Range 24GHz 23 27GHz Modulation Method FMCWBandwidth 4GRange Accuracy ±3mm typical value Measuring Distance 0 15m 10mHorizontal Vertical Range ±12°Output Power Rating 11dBm 6dB dual mode Reporting Interval 160ms 50 1000ms configurable Operating Temperature 40°C 85°CDimensions 31 6mm x 51 6mm x 2 2mmWorking Voltage 3 3V 3 0 3 6V 1AFeatures 1 Highly accurate range measurement of ±3mm for precise analysis 2 Compact design 31 6 mm x 51 6 mm for integration in limited spaces 3 Wide operating temperature range 40°C to 85°C suitable for extreme environments 4 Efficient FMCW modulation supports reliable signal processing 5 Broad measuring distance…
$19.31
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1111MicrosoftInternetExplorer402DocumentNotSpecified7 8 磅Normal0Specifications Working Voltage 3V 5VStatic Output Voltage VCC 2Working Current 135mA MAX Storage Temperature Range 65°C to 165°CMaximum Output Current VIOUT GND 3mAInternal Bandwidth 120 KHzModule Size 37mm x 18mm Features 1 High Precision Sensing The CJMCU 758 uses the ACS758 LCB current sensor to deliver accurate current measurements The sensor integrates a precision linear Hall sensor circuit that translates the magnetic field generated by the current carrying copper path into a proportional voltage This setup ensures high accuracy making it perfect for applications requiring reliable current sensing 2 Low Powe…
$8.73
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Description The sensor module is including resistive humidity sensing component and NTC temperature testingThe compatible digital temperature humidity sensor module is component and connected with 8 byte MCUGreat anti interference ability and durableWith fixed bolt hole for easy installation3 DO small plate switch digital output interface connected microcontroller IO portTwo module interface specification 3 pin Specification Model sensor DHT11Signal transmission range 20mHumidity measuring range 20 95 RHHumidity measurement error 5 Temperature measurement range 0 50°CTemperature measurement error 2°COperating voltage 3 3 5VOutput type digital outputSmall plates PCB si…
$6.49
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Manual Click here to openFeature Description 1 Adopt high quality audio processing chip2 The amplitude of the output audio signal is adjustable the size of the sound can be detected the gain is adjustable and the performance is stable3 Use single point grounding wiring to reduce loop gain and improve audio signal quality4 With fixing bolt holes for easy installation5 Standard ARDUIN0 interface which can be directly connected to the ARDUIN0 development board6 Good sensitivity built in amplifier circuit adjustable gain voltage signal of sound intensity can be obtained through AD conversion7 Suitable for ARDUIN0 platform compatible with ARDUIN0 sensor interfaceInterface description …
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Description This is PS2 game joystick module forLots of robot projects need joystick This module provides a affordable solution to that Simply connect to two analog inputs the robot is at your commands with X Y control It also has a switch that is connected to a digital pin This joystick module can be easily connect toby normal IO Expansion Shield with supplied cables No soldering required Reusable for prototyping or design applications of electronic circuit modify or revise the circuits easily Accept resistors transistors diodes LEDS capacitors and other types of electronic components An invaluable tool for experimenting with circuit designs whether in the RD Directional movements …
$8.49
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Code Click here to openFeatures Weight 7g approx Dimension 3 2cm x 2 4cm x 2 8cm approx Infrared sensor with control circuit boardThe sensitivity and holding time can be adjustedWorking voltage range DC 4 5V 20VCurrent drain 60uAVoltage output High Low level signal 3 3V TTL outputDetection distance 3 7M can be adjusted Detection range 140°Delay time 5 200S can be adjusted default 5s 3 Blockade time 2 5 S default Trigger L Non repeatable triggerH Repeat Trigger default Work temperature 20 80°CTrigger method L unrepeatable trigger H repeatable triggerNote Sensitive Setting turn to right distance increases About 7M turn to left distance reduce About 3M Time Setting t…
$5.99
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Specifications Frequency 24G 24 25GHzBandwidth 200MHz Compliant with CE FCC standards Modulation Mode FMCWPower Supply 5V Typ Current Requirement ≥200mADimensions 35mm x 70mmDetection Angle ±15°Maximum Range Up to 100mOperating Temperature 40°C to 85°CData Interface Serial ASCII output GPIO flat outputDefault Pin Type 2 54mm x 6PinFeatures 1 Precise monitoring of distance speed and orientation within the detection area 2 Compact design optimized for integration in limited spaces 3 High frequency performance matching rigorous industrial standards 4 Reliable operation in extreme temperatures from 40°C to 85°C 5 Versatile applications for automotive and robotic systems …
$13.79
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Specifications Brand MOESCarbon Monoxide 0 1000 ppm ± 10 CO Sound Alarm Range default 50 ppmTemperature 10℃ 50℃ ± 1 5 ℃ 14 ℉ 122℉ ± 2 7°F Humidity 0 95 RH ±5 Battery Built in polymer lithium ion battery 3 7V 1000mAh Input Type C DC 5V DC 24V Max support fast charging protocol with a power of 10 65WFast charging protocol QC2 0 PD3 0 AFC USB C UFP BC1 2 DCP CDPSDP and other common fast charging protocols 1C chargingStorage Temperature 20℃ 60℃ 4℉ 140℉Product Size 75mm 69mm 30mm 2 95 in 2 72 in 1 18 in Features 1 High Accuracy Advanced chip ensures precise CO detection keeping you safe 2 Portable Design Lightweight ideal for travel with a handy out…
$27.99
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Specification Model TS FT007Product Name Ultrasonic level meterColor WhiteMaterial ABSScreen Size 3 43 inchWaterproof Rating IP65Receiver Size 8 2 2 1 8 2 cm Weight 93 g Transmitter Size 6 8 10 9 16 7 cm Weight 131 g Wireless Transmission Open distance up to 100 meters Effective distance 30 metersMeasurement Range 0 5 5 meters 1 64 16 4 feet Features 1 Backlight on off function2 Transmitter low battery reminder3 Key sound on or off4 Water tank water level display unit meter foot power on default meter 5 Water tank liquid level high low alarm mode6 Alarm sound on off icon display default on7 High low water level icon display8 Highest lowest water level alarm9 Alarm …
$35.99
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5Pcs Speed Measuring Sensor Counter Motor Test Groove Coupler Module ForApplication Widely used in motor speed detection pulse count the position limit etc Feature Using imported groove optical coupling sensor width 5mm It have the output state light if output high level the lights are off if output low level it on If it covered it will output high level otherwise it output low level Good signal and waveform with strong driving ability for more than 15mA The working voltage of 3 3V to 5V Output digital switch output 0 and 1 Equipped with a fixed bolt hole easily install Small board PCB size 3 2 cm x 1 4 cm Use the LM393 wide voltage comparer Specification The DO output interface …
$7.49
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Application Widely used in motor speed detection pulse count the position limit etc Feature Using imported optical coupling sensor width 5mm It have the output state light if output high level the lights are off if output low level it on If it covered it will output high level otherwise it output low level Good signal and waveform with strong driving ability for more than 15mA The working voltage of 3 3V to 5V Output digital switch output 0 and 1 Equipped with a fixed bolt hole easily install Small board PCB size 3 2 cm x 1 4 cm Use the LM393 wide voltage comparer Specification The DO output interface can be directly connected to a micro controller IO port if there is a block …
$5.49
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Reliable weather year round. Don’t rely on weather forecast channels that give you just a broad forecast. Always know when it’s raining, snowing, and so much more right in your backyard with the Logia 7-in-1 Wireless Weather Station with Solar Panel. Set up this home weather station and get an informative and accurate forecast around your neighborhood. With this ambient large display weather station, you’ll always know when there is a good day to go fishing, farming, hiking, and other outdoor activities. The outdoor weather station comes with an outdoor thermometer sensor and console. This way you’ll receive data from your sensor right to your console quickly. The 7-in-1 wifi weather station …
$99.99
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Parameter Comprehensive error 0 05 F SRated output temperature drift ≤ 0 15 F S 10 ℃Output Sensitivity 1 0 ± 0 1 mV VZero drift 0 05 F S 1 minute Zero point temperature drift 0 2 F S 10 ° CZero output ± 0 1 mV VInput impedance 1000 ± 50ΩOutput impedance 1000 ± 50ΩOverload capacity 150 F SRecommended excitation voltage 5 10VOperating temperature range 10 50 ℃Application for high precision small scale weighing for micro automatic testing equipment micro weighing equipment pushing and pulling equipment pull pressure testRed E Black E White A Green A Package included 1 x Weighing Sensor Load Cell1 x HX711 Module
$6.49
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Specification Product Name Little Bee B1 High Performance Current ProbeBandwidth 30MHz 5A range 10MHz 10A range Magnetic Heads Dual head design pre calibrated 5A head optional 10A extension head Interfaces SMA to BNC direct connection plug and playCompatibility Supports oscilloscopes for applications like power switching PCB analysis and motor testingFeatures Dual Bandwidth Precision 30MHz ultra high bandwidth for small signal measurements 5A range and 10MHz for high current scenarios 10A range ensuring accurate data capture across diverse test needs Dual Magnetic HeadsMultifunctionality Pre calibrated 5A head 0 25V A for zero error measurements expandable 10A head …
$115.99
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Description Working power DC 5V TYPE C Input Working current 10 20MAModel UD11A03 compatible with DT3 Weight 12 7gSize 50 50 10MMTestable data line port USB A to MicroUSB A to Type CUSB A to LightingType C to Type CInstruction of The Tester 1 Use the Type c charging cable to plug into the Power IN interface to supply power to the PCB board 2 Insert one end of the data cable to be tested into the corresponding input port and the other end into the corresponding output port 3 Observe the indicator light Indicator light description 1 D D VCC GND indicator lights are on indicating that the data line has data transmission function 2 The VCC and GND indicators are on indicating …
$15.99
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Description Working power DC 5V TYPE C Input Working current 10 20MAModel UD11A03 compatible with DT3 Weight 12 7gSize 50 50 10MMTestable data line port USB A to MicroUSB A to Type CUSB A to LightingType C to Type CInstruction of The Tester 1 Use the Type c charging cable to plug into the Power IN interface to supply power to the PCB board 2 Insert one end of the data cable to be tested into the corresponding input port and the other end into the corresponding output port 3 Observe the indicator light Indicator light description 1 D D VCC GND indicator lights are on indicating that the data line has data transmission function 2 The VCC and GND indicators are on indicating …
$10.59
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