This article presents a noncontact dc bias current measurement probe using tunnel magnetoresistance (TMR) sensor arrays. The probe contains 16 sensors, which are divided into four arrays. The sensors ...

Working Principle of ACS712 Current Sensor with Arduino The ACS712 sensor operates on the Hall-effect principle. When current flows through the input terminals (IP+ and IP-), it generates a magnetic ...

Arduino Motion Sensor – Circuit and Working The circuit diagram of the automation device using a motion sensor is shown in Fig. 2. It consists of an Arduino Nano board (MOD1), a PIR sensor (S1), a ...

This paper presents the design of a current transformer that is used for scavenging power from an 60 Hz ac transmission line. The primary goal of the design is to maximize the scavenged power under ...

About The sound sensor allows to detect when the sound has exceeded a set point . The sound or the sensitivity is detected via a microphone which is already inbuilt in the sensor . The sensitivity ...

A home-brew current transformer made from a split ferrite core and some magnet wire is the sensor, and a couple of op-amps and a 555 timer make up the detection and alarm part.

To round off the project and because he could, he’s added an ambient humidity sensor to the device. The resulting boxed-up unit returns minute-by-minute current readings for the entire wash cycle.