Measuring current is both easy and very accurate using a current sensing module and an Arduino. PCBWay $5 for 10 pieces https://www.pcbway.com PCB Prototyping the easy way - see my video #129 for ...

In my previous post, I used blinking videos on my computer to entrain my brain waves. A key question, though, was whether my computer could play those blinking videos steadily. If the blinking isn’t ...

A bit of biology and nutrition before we roll into this: Ketosis is when your body runs on fat reserves instead of carbohydrates. This is the basis of diets such as Atkins, and despite the ...

I decided to make a 'Pulse Oximeter' because, in this pandemic situation, we need this device a lot. It helps us to measure the BPM(Beats Per Minute) and the percentage of Spo2 of our Body. I used ...

This project is designed to measure heartbeat with an Arduino with heart beat sensor module. The Arduino then does a Fast Hartley Transform (FFH, alternative for Fourier) transform to generate the ...

“Sadly, in the name of progress, we have polluted the air, water, soil and the food we eat”. So monitoring the air quality is very crucial now days because of pollution. For designing an air quality ...

Denis Hennessy recently encountered a problem we've all faced: he needed some AAs for a battery-eating gizmo, and he was overwhelmed by the choices available. Ignoring the shiny packaging and its ...

If you frequently use a 3D printer for your projects then you may experience issues calculating the material weight and length usage. If so, then you might be interested in this project using Arduino.

Abstract: This paper presents the performances of rainfall energy harvesting through the use of a piezoelectric transducer and an Arduino-based measuring system. Diverse studies agree on the ...

If you want to know the acidity (or alkalinity) level of your pool or aquarium water, you need a pH meter. In this article, you'll find a simple but effective solution based on off-the-shelf ...