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MQ-2 MQ-3 MQ-4 MQ-5 MQ-6 MQ-7 MQ-8 MQ-9 MQ-135 Detection Smoke methane liquefied Gas Sensor Module for Arduino Starter

S-201E Optic fiber sensor 12-24VDC NPN PNP Red light, Push-button setting, Two color and 8 bit digital display, One key setting

Hippcron Car Parking Sensor Kit 2 Sensors 22mm LED Screen Reverse Radar Sound Alert Indicator System 8 Colors

Sound sensor module sound control sensor MAX4466 MAX9814 switch detection whistle switch microphone amplifier For Arduino KY-037

1-10PCS 8 Channel IR Tracking Sensor Module 8 CH Infrared Line Track Trace Detect Detection Board Detector for Arduino Smart Car

1/5/10PCS 360 Degrees Rotary Encoder Module Brick Sensor Switch Development KY-040

1-10pcs IIC I2C SPI MPU6500 MPU-6500 6-Axis Gyroscope Accelerometer Sensor Module Replace MPU6050 For Arduino With Pins GY-6500

HX711 AD Module Weight Sensor 1kg 2kg 3kg 5kg 10kg 100g Load Cell Module Weighing Pressure Sensor Measurement Tools

KY-035 Analog Hall Effect Magnetic Sensor Module – High Sensitivity 49E for Arduino, with LED Indicator 1-10PCS

MQ-2 MQ-3 MQ-4 MQ-5 MQ-6 MQ-7 MQ-8 MQ-9 MQ-135 Detection Smoke methane liquefied Gas Sensor Module for Arduino Starter DIY Kit