How to build your own air quality meter with a Raspberry Pi and CO2 sensor

In winter, it’s important to ventilate living and working spaces regularly. Here’s how to make a homemade measuring station ...
EDN

SCR topology transmogrifies into BJT two-wire precision current source

An SCR topology transmogrifies into BJT two-wire precision current source with a self-resetting fault-current limiter.
EDN

Magnetometers: Sensing the invisible fields

A magnetometer is a device that measures magnetism: the direction, strength, or relative change of a magnetic field at a ...
IEEE

A Novel Simultaneous Diagnosis Method for IGBT Open-Circuit Faults and Current Sensor Faults of Three-Phase SPWM Inverter

Abstract: This article presents a novel fault diagnosis method for open-circuit faults of insulated gate bipolar transistors (IGBTs) and current sensor faults in three-phase sinusoidal pulsewidth ...
IEEE

Reduced-Sensor-Based Optimal Switching Sequence Model Predictive Current Control for Grid-Tied Inverter With LCL Filter

Abstract: This article presents an improved reduced-sensor-based optimal switching sequence model predictive current control (OSS-MPCC) algorithm for a grid-tied inverter with the LCL filter with only ...