10pcs SW420 Vibration Sensor Modules Compatible with Multiple Relay Modules

10pcs SW420 Vibration Modules with Easy Installation and Mounting Holes

10pcs TCRT5000 Infrared Sensor Modules Suitable for DIY Robots and AGVs

Foot Switch, Momantary DPDT Security door Alarm, FOOT PEDAL, Stomp Box Switch

Infrared Tracking Sensor Modules 10pcs TCRT5000 for DIY Robotics Applications

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New 5 Pairs MC-38 Magnetic Door Switch Window Magnetic Switch Home Alarm Sensor

HX711 Load Cell Modules 10PCS Dual Inputs for Arduino Measurement Projects