Sensor for opening/closing windows and doors

Gravity: 360 Degree Hall Angle Sensor is a rotation angle sensor measuring a value in the range of 0-360 ° with an analogue output, powered by 5V. DFRobot SEN0221

Module with 360° tilt sensor. It has a digital output and a connector compatible with the Gravity standard. DFRobot DFR0830

Module with GP2Y0D805Z0F proximity sensor, which can detect the presence of objects in the range from 0.5 to 5 cm. The board is equipped with a Grove connector and communicates via a digital interface. Seeed Studio 101020578

Magnetic switch (reed switch) enclosed in a plastic housing. It has a compact structure and low weight. DFRobot SEN0481

The module with the tilt sensor, the sensor output is a digital signal. The module has a connector in accordance with the Grove standard. Seeed studio 101020025

Module with a slide potentiometer. Depending on the position of the slider, the resistance value (maximum resistance 10kΩ) changes, which translates into the voltage value at the analog output of the module. The module has a connector in accordance with the Grove standard. Seeed studio 101020036

LilyPad reed switch in a black insulated casing preventing the element from breaking. SparkFun DEV-13343

280° rotary potentiometer module with analog output. Compatible with 3.3 V and 5 V systems

Module with a potentiometer with a rotation range of 300°. Equipped with a connector compatible with the Gravity standard. DFRobot DFR0054

Photoelectric encoder in the form of a slotted sensor, a disc plow. It allows you to measure the rotational speed

Module with a 2-channel inductive sensor LDC1612. The board is equipped with a Grove connector and communicates via the I2C interface. Seeed Studio 101020599

Digital orientation sensor module. DFRobot DFR0028

A set with opening and closing sensors based on a reed switch, intended for installation on doors or windows. CMD1263

LJ8A3-2-Z/EX is a reliable inductive proximity sensor for detecting metal objects in industrial automation, operating in the voltage range of 10V-36V DC. It features a detection range of up to 2 mm and a compact housing with a diameter of 8 mm, which allows easy installation in limited space, and the NPN NO output facilitates integration with control systems.

Grove module with a proximity sensor, light, color and the ability to detect gestures. The board is equipped with a Grove connector and communicates via I2C. Seeed Studio 101020580

This V2 Rotation Sensor  is arduino compatible multi-ring rotation sensor. It is based on multi-turn precision potentiometer. It can rotate upto 10 laps. DFR0058