Discover how to build a simple solar cell at home using everyday materials! This step-by-step tutorial demonstrates how to repurpose an aluminum can, a CD, copper wire, toothpaste, lemon juice, and a ...

We earn commissions from purchases you make using links in our articles. Learn more. Anyone who works on their car should have a multimeter, but they come in handy around the house too. Whether you ...

Installing a smart meter could help you pay less for your energy, but not everyone is convinced by the technology. While gas and electricity prices today are far below their peak during the 2022 ...

Abstract: I welcome you to the fourth issue of the IEEE Communications Surveys and Tutorials in 2021. This issue includes 23 papers covering different aspects of communication networks. In particular, ...

Abstract: This paper deals with the design and development of an electrostatic voltmeter based on surface potential sensor. For the realization of the device, constructed by us, a surface potential ...

A peak flow meter helps you track how well your lungs are working by measuring your peak expiratory flow rate (PEFR). You should find your personal best peak flow measurement and use it to track your ...

LDR (Light Dependent Resistor) as the name states is a special type of resistor that works on the photoconductivity principle means that resistance changes according to the intensity of light. Its ...

This battery-powered logging volt/ampmeter was made with the intention to easily get .CSV files filled with voltage/current/power measurements on a SD-card to plot and use this data further. It is ...