testing

Portable Electronic Debugging Tool Felini - The Swiss Army Knife of Electronic Debugging Tools

Chu Tien Thinh, an electronics engineer and enthusiast, has created a highly portable debug…

Anechoic Chamber Anechoic Chamber Used for Electronics Testing

Devoid of electromagnetic waves, an anechoic chamber (Figure 1) is a shielded room designed to provide an ideal…

What is Switch Bouncing and How to prevent it using Debounce Circuit What is Switch Bouncing and How to prevent it using Debounce Circuit Table of Contents What is Switch Bouncing and Debouncing?  What is Software Debouncing?  Switch Bouncing Circuit Diagram  1.…
UnoArduSim : A Simulator to Learn Arduino Programming and Debugging Codes without Arduino Hardware UnoArduSim : A Simulator to Learn Arduino Programming and Debugging Codes without Arduino Board

In this comprehensive UnoArduSim tutorial, I will be taking you through one of the best Arduino simulators out there for programming, and…

Automatic Irrigation System using an Arduino Uno Automatic Irrigation System using an Arduino Uno

Every one of us likes a little greenery in our houses, don’t we? Plants require really low maintenance and can be left for days…

ESP32 Audio Player using LM386 IC DIY ESP32 Based Audio Player

DIY Music players are fun to build, and we previously built a few music players using Arduino and a dedicated MP3…

ESP32-CAM Face Recognition Door Lock System ESP32-CAM Face Recognition Door Lock System

Security is of utmost concern for everyone these days, whether it's data security or security of their own home. With the…

pH Meter using Arduino Uno pH Meter using Arduino Uno and LCD Display

The pH scale is used to measure the acidity and basicity of a liquid. It can have readings ranging from 0-14, where 0 shows the…

QR Code Scanner using Raspberry Pi and OpenCV QR Code Scanner using Raspberry Pi and OpenCV

QR code (Quick Response code) is a type of matrix barcode that contains information about the item to which it is attached,…

Interfacing ADXL345 Accelerometer with Arduino UNO Interfacing ADXL345 Accelerometer with Arduino UNO

We all know about accelerometers and gyroscopes; they are primarily used to detect acceleration. While an Accelerometer can…