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MC-38 Magnetic Sensor Anti Theft Alarm The MC38 is a magnetic switch. When a magnet (the wireless part of the sensor) approaches it, the sensor acts like a switch and the two pins are connected.This sensor is used to detect closed or open doors, windows and alarm systems. Note Magnetic switches are available in two types, Normally Open and Normally Close. In this tutorial we use a Normally Open switch that closes as the magnet approaches the sensor (the two sensor pins are connected). ...

R308 Biometric Fingerprint Module Features R308 biometric fingerprint module is a high-precision, high-performance matching algorithm and high-capacity flash chip. It works based on fingerprint image processing, matching, memory search and performing and desired functions. It uses serial communication in order to communicate with microcontroller. The default Baud Rate is 57600, and it is not possible to change it. This module can store up to 500 fingerprints. You can down...

GY-521 MPU6050 Features The GY-521 is based on the MPU6050 sensor that contains both a 3-Axis Gyroscope and a 3-Axis accelerometer. It uses I2C communication protocol and you can read MPU6050 outputs with SCL and SDA pins. Note The MPU6050 sensor has a digital thermometer in addition to the gyroscope and accelerometer. You can download the datasheet of this module here.[wpdm_package id='18153'] GY-521 MPU6050 Sensor Pinout This sensor has 8 pins:VCC: Mod...

TSD-10 Thermometrics Turbidity Sensor Features The TSD-10 turbidity sensor measures the turbidity using optics and light passing through the liquid. This sensor has an analog output and requires an ADC converter. It is used in washing machines to measure the density of water turbidity. By using an optical transistor and optical diodes, it measures the amount of light coming from the source of the light to the light receiver, in order to calculate water turbidity. This sensor has a waterproof body. Note You ...

MAX30102 Heart Rate Module Features MAX30102 sensor is used to detect blood oxygen and heart rate. First, infrared radiation is sent and reflected by hitting the finger, and then the amount of oxygen in the blood is determined by measuring the wave amplitude. Heart rate is also obtained by analyzing the time series response of this radiation.The MAX30102 is an integrated module compatible with the Arduino and STM32. It integrates a red LED with an infrared LED, a photoelectric detector, an optical devi...