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International Space Station Tracker

The proposed International Space Station tracker, powered by the NodeMCU board, uses LEDs and a buzzer to indicate real-time ISS position. The ISS tracker interfaces...

Implantable Chips: Storing Data Inside Body – Part 2

In the previous tutorial, we covered the implantable chip-based data tracking system for animals. Continuing our design series, we now progress to designing a...

Designing Electric Vehicle Battery Charging Solutions

The popularity of electric vehicles (EVs) is increasing rapidly in India. According to a survey, the EV market in India is estimated to increase...

Millet Cooker: An Electric Slow Cooker

In 2023, we celebrate the International Year of Millets, honoring the nutritional richness and versatility of millets, such as Foxtail, Barnyard, Kodo, Little, and...

DIY Smoke Alarm Made With UM3562

This smoke alarm built using a UM3562 sound generator can help maintain a smoke-free environment in apartments, offices, factories, restaurants, hospitals, etc. In this...

Track Your Vehicle Like a Pro: DIY GPS and GSM Tracking System

We built the vehicle tracking system using GPS and GSM, based on the ATmega16 microcontroller. Vehicle Tracking System Using GPS This is a cheaper solution than...

Real-Time Logistics Tracking with Google Sheets

In logistics, keeping tabs on deliveries and large shipments is essential. Tracking them individually on Google Maps and making route adjustments when there are...

ChatGPT Terminal Made Using ESP32

You are all aware of ChatGPT and its power. We tried some experiments and made this ChatGPT Terminal that can incorporate ChatGPT and give...

Proximity Sensor Switch For Wireless Control Of Electric Loads

Here we are presenting an Arduino based low-cost Proximity Sensor Switch to control electric load wirelessly. But before we start to learn how to...

Quiz Competition Buzzer For Eight Players/Teams

We designed a Quiz Buzzer circuit that can be used for eight players/teams in quiz competitions organized by schools or colleges. Normally, quiz circuits...

Wheat Germination Monitoring System

With a dedication to Empowering Farmers with Smart Farming, we build a wheat germination monitoring system. But why this system is needed and how...

Password-Based Electrical Appliance Control System

In today’s technologically advanced world, simplicity and security are top priorities. Password-based Home appliance control system is a cost-effective solution that combines both these...

Building an Advanced Alcohol Breath Analyzer

In today’s world, the devastating consequences of accidents caused by drunk driving continue to make headlines. Drawing inspiration from real-life data, this remarkably advanced...

Implementing Doppler Radar In ADAS

Previously, we explored the ADAS (advanced driver assistance system), which used lidar, camera, and ROS for creation of the map. Now we are adding an...

Hydroponic Automation: Smart Watering System with NTP Scheduling

Considering the geographical location, some regions experienced temperatures rising to 48ºC during the peak summer season. In such situations, a hydroponic automation system, a...

Hector Slam Mapping And Indoor Positioning ROBOT With ROS And Lidar

In previous segments, we delved into lidar-based obstacle detection and the integration of lidar and lane detection systems for the ADAS system. If you...

Automatic Dispenser Using 555 Timer

The 555 timer has been a popular choice in electronics for a long time due to its versatility and wide range of applications. It...

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