Mini Magnetic Reed Module (Arduino-Compatible) (2 Pack)

A reed contact switch is a normally open contact which closes in the presence of a magnetic field. This modules contains a 10K ohm pull-up resistor. These types of sensors are found in window and door alarm systems with magnetic proximity sensors.

Specifications

• Voltage : 5 VDC
• Connection: 3 pins, +(middle pin), ground and DO (data out)
• Size: 0.98" x 0.59" (25 x 15 mm)
• Weight: 0.07 oz. (2 g)

Whadda is a Premium Maker Brand by Velleman Group that produces electronics projects for enthusiasts.