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EasyMech Snap-fit ABS Bracket for HC-SR04 Ultrasonic SensorFeatures-ABS Body.Easy to install.Attractive Design and Structure...

LM393 Photosensitive Light-Dependent Control Sensor LDR ModuleFeatures-It comes with Mounting Hole Screw.Easy to installSignal output indicator light.LDR module 4 PINAble to detect ambient brightness and light intensity Adjustable sensitivity (via blue digital potentiometer adjustment)Output: DO dig..

BMP180 Digital Barometric Pressure Sensor ModuleFeatures-Can measure temperature and altitude.Pressure range: 300 to 1100hPaHigh relative accuracy of ±0.12hPaCan work on low voltages3.4Mhz I2C interface..

Infrared Obstacle Avoidance IR Sensor ModuleEasy to assemble and useOnboard detection indicationThe effective distance range of 2cm to 80cmA preset knob to fine-tune distance rangeIf there is an obstacle, the indicator lights on the circuit board...

Magic Cup Tilt Switch ModuleFeatures-    Magic Light Cup Module is a board which has a led and a mercury tilt switch. Using PWM to drive the LEDs on the module you can achieve the effect of light being “magically” transferred from one module to the other when tilting them. In sho..

Mercury Medallion Module for Uno R3Features-    This module consists of a mercury switch, a 680Ω resistor, and a LED that will light up when tilt is detected. The mercury ball will open/close the circuit when the module is rotated    Mercury switch module and ..

KY-039 Finger Detection Heartbeat Measuring Sensor ModuleFeatures-Use IR LED and an optical transistor to detect pulsation in fingersSmall and Compact moduleEasy to use...

Sound Detection Module Sensor for Intelligent Vehicle Compatible With ArduinoFeatures-Uses LM393, Electret condenser microphoneSignal output IndicationSingle channel signal outputThe output effective signal is low level.Can detect the intensity of the sound environmentWith the retaining bolt hole, c..

M274 360 Degree Rotary Encoder Brick Sensor ModuleFeatures-    The M274 360 Degree Rotary Encoder Module Brick Sensor is a rotary input device (as in knob) that provides an indication of how much the knob has been rotated AND what direction it is rotating in. It’s a great device for s..

Correlation Photoelectric Infrared Count Slot Sensor Module 5 mmFeatures-The width of the optical coupling slot: 5mmWith a signal output indication.Single signal outputThe circuit board output switch!The output valid signal is low.It is useful for workpiece counts.It’s also useful for industry count..