Aswinth Raj

Google Assistant Based Voice Controlled Home Automation using DIY Arduino Wi-Fi Shield

Humans and machines interact and communicate with one other in many possible ways, computers have monitor, keyboard and mouse,...

Band Pass Filter Circuit

Every analog designer’s nightmare would be to deal with noise in his circuit. When it comes to switching circuits or Audio...

Raspberry Pi Based Jarvis themed Speaking Alarm Clock

“Good morning. It’s 7:00 a.m. The weather in Malibu is 72 degrees with scattered clouds. The surf conditions are fair with...

Installing OpenCV on Raspberry Pi using CMake

Earlier day’s computer obtained input information from keyboards and mouse, now they have evolved to be able to process...

Cell Balancing Techniques and How to Use Them

A nominal lithium cell is rated for around 4.2V only, but in its applications like EV, portable electronics, laptops, power...

7.4V Two Step Lithium Battery Charger Circuit - CC and CV mode

The advancement in Electric Vehicles, Drone and other mobile electronics like IoT Devices seems to be promising for the future...

Interfacing SX1278 (Ra-02) LoRa Module with Arduino

It is expected that by 2020 we will have 25 Billion devices connected to the internet. To give you an idea that is more than...

Robotic Arm Control using PIC Microcontroller

From the assembly line of automobile manufacturing industries to the telesurgery robots in space, Robotic Arms are to be found...

Speed, Distance and Angle Measurement for Mobile Robots using Arduino and LM393 Sensor (H206)

Robots have slowly started to crawl into our society to make our life simpler. We can already find the six wheeled food delivery robots from Starship...

Instrumentation Amplifier Circuit using Op-Amp

Almost all types of sensors and transducers convert real world parameters like light, temperature, weight etc into voltage...