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Linear Magnetic Hall sensorFeatures-Features wide-range voltage comparator LM393Adjustable sensitivitySignal output indicator with the retaining bolt hole, convenient installationOutput form digital switch output (0 and 1 high and low level)Signal output indicationSingle-channel signal outputThe out..

Vibration Switch ModuleFeatures-No direction, any angle can trigger the work.Sensitivity switches can be selected for the trigger sensitivity according to circuit requirements.This switch is suitable for the trigger of the small current circuit...

HC-SR04-Ultrasonic Range FinderFeatures-Measures the distance within a wide range of 2cm to 400cmStable performanceAccurate distance measurementHigh-densitySmall blind distance..

LM393 Sound Detection Sensor Module BlackFeatures-Signal output indication.The output is digital.Single-channel signal output.With the retaining bolt hole, convenient installation.Output low level and the signal light when there is sound...

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..

Ai Thinker NF-01-S Wireless Transceiver ModuleFeatures-DIP-8 ultra-small package, built-in 2.4G antenna, small size, easy to use Supports data reception for six channels Supports common modulation such as GFSK / FSK Supports 2Mbps / 1Mbps / 250Kbps data rateMulti-frequency: 126 freque..