Aswinth Raj

Make a Non-Contact Infrared Thermometer with IR Temperature Sensor

When debugging an electronics circuit or testing a new hardware design, often times I tend to check if the components on the...

Lora Based GPS Tracker using Arduino and LoRa Shield

Knowing the whereabouts of a particular object/person has always been comforting. Today, GPS is being extensively used in asset...

Single Cell Boost Converter Circuit using Coin Cell – 5V Output

Battery cells are the most commonly used energy source to power portable electronics. Be it a simple alarm clock or an IoT...

Arduino Whistle Detector Switch using Sound Sensor

As a kid I was fascinated by a toy music car which gets triggered when you clap your hands, and then as I grew up I wondered if...

Electric Vehicle On-board Chargers and Charging Stations

As the world is gearing up to unleash an EV revolution, it is still true that the rate of adaption is slow. Electric Vehicles (...

How to make a Supercapacitor Charger Circuit

The term Supercapacitors and its possible usage in Electric Vehicles, Smartphone’s and IoT devices are being considered...

IoT Based Biometric Attendance system using Arduino and Thingsboard

Few years back if you were to tell someone that the Geyser and bedroom lights in your home are connected to internet, they...

Interfacing GT511C3 Finger Print Sensor (FPS) with Arduino

Biometrics has been used as a reliable authentication system for a long time now. Today there exist complex biometric systems...

LoRa with Raspberry Pi – Peer to Peer Communication with Arduino

LoRa is getting increasingly popular with the advent of IoT, Connected Cars, M2M, Industry 4.0 etc. Because of its ability to communicate to long...

License Plate Recognition using Raspberry Pi and OpenCV

Security has always been a major concern for mankind. Today we have video surveillance cameras in schools, hospitals and every...