optical heart-rate sensor

A heat sensor circuit can be utilized to control any device using a heat sensor. In this circuit, a thermistor and a resistor are connected in series, forming a potential divider circuit. The thermistor is of the Negative Temperature...

The AD592 is a two-terminal monolithic integrated circuit temperature transducer that produces an output current proportional to absolute temperature. It functions as a high-impedance temperature-dependent current source of 1 µA/K across a wide range of supply voltages. Enhanced design...

The filtering and amplifying circuit consists of two main components. The MAXIM MAX267 filter is an integrated circuit that can function as a low-pass, band-pass, high-pass filter, and other configurations, offering superior performance compared to traditional op-amp filters. The...

The basic operation of the monitor connected to the circuit is to detect objects (obstacles) at distances ranging from a few millimeters to several centimeters. This type of circuit is utilized in various industries and hospitals. The position sensor...

This circuit is one of the most basic and popular sensor modules. In electronics, this sensor is analogous to human visual senses and can be used. The described sensor module serves as a fundamental component in various electronic applications, emulating...

This presence detector or proximity sensor circuit responds to the presence of any conductive object, including humans. The sensitivity can be adjusted with potentiometer P1, which is positioned at a considerable distance from the rest of the circuit. This...