It's 7x the size of the regular board Arduino boards power everything from robots to RGB lights, but they're a little on the ...

A small portable device featuring timer, clock, and calendar functions, equipped with a simple and functional interface and a truly long battery life.

From smart meters to prepayment meters, Economy 7, Economy 10 and standard meters, here's what you need to know about gas and electricity meters to help you save money on your energy bills. With over ...

A simple audio visualizer that maps the audio signals from ADC to LED strip. The number of lit LEDs is based on the amplitude of the audio signal, with a brighter peak indicator on the highest ...

High Performance HF Power meter using Arduino and a Directional Coupler This device can measure power over a wide dynamic range from 10uW to 1 KW and will derive SWR for a 50 Ohm load The front end ...

Abstract: India faces the issue of energy theft at a very large scale. This paper introduces a system that removes human intervention in meter readings and bill ...

Handheld light meters used to be a photography staple, but as cameras with built-in light meters became both more prevalent and reliable, these devices became increasingly obsolete for everyday use.