DIY

Arduino Based Pulse Oximeter Sensor Circuit Compact Arduino Based Pulse Oximeter Sensor Circuit

There are many pulse-oximeter sensors available in the market for medical purposes, and in one of our previous projects,…

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…

Li-Fi based Text Communication between Multiple Arduino Li-Fi based Text Communication between Two Arduino

Li-Fi (Light Fidelity) is an advanced technology that allows transferring data using optical communication, such as visible…

Petoi Bittle- Open Platform Robot Dog New Open Platform Robot Dog Supports Multiple Platforms Including ESP, Arduino, and Raspberry Pi

Petoi Bittle is a palm-sized cute programmable, budget-friendly quadruped robot dog with a plastic frame. The tiny robot is…

Amazon Prime Video on Raspberry Pi Streaming Amazon Prime Video on Raspberry PiHow to Stream Amazon Prime Video on Raspberry Pi Using Kodi

Streaming media from the internet is gaining popularity due to…

Digital Audio Volume Controller using PT2258 IC and Arduino Digital Audio Volume Control Circuit using PT2258 IC and Arduino

A potentiometer is a mechanical device using which one can set the resistance according to the desired value, thus changing the…

Impedance Matching Transformer Introduction to Impedance Matching and How to use an Impedance Matching Transformer for your Design

If you are an RF Design Engineer or anyone who has worked with Wireless Radios, the term “Impedance Matching” should have…

Relaxation Oscillator using Op-amp Relaxation Oscillator using Op-amp

An operational amplifier is an integral part of Electronics, and we previously learned about Op-amps in various op-amp-based…

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…