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World’s Smallest Programable Indus Phone Design (Part 3)
In the previous article of this DIY Indusphone series, the smallest touchscreen phone was created using the SIM800L for the 2G cellular network and...
IoT-Based Distribution Transformer Condition Monitoring System
The proposed IoT-based distribution transformer condition monitoring system enables real-time monitoring of distribution transformers, identifying such deviations as overload conditions and overheating. Through IoT...
Wearable Glove – Smart Communication Device
This proposed prototype works by wearing the glove and either touching a specific finger with the thumb or pressing a special switch. This action...
Wireless Remote Data Monitoring System with TFT LCD Monitor
Remote monitoring plays a pivotal role in advancing industrial automation, Industry 4.0, and the Industrial Internet of Things (IIoT).
A remote data monitoring system...
Automatic Power Cut-off Timer Using Supercapacitor
When charging devices like mobiles and laptops, it is easy to forget to switch off the power once they are fully charged, often resulting...
DIY Simple On/Off Timer: Automate Your Home Appliances Easily
This simple on/off timer can control any household electrical device that needs to be switched on or off after a specific duration. It employs...
Speech Transcription Using Raspberry Pi Zero
In a previous initiative, the Speech GPT terminal was introduced, which allowed users to ask questions in the terminal and receive spoken answers. This...
Smart Switch for Agriculture Irrigation System
This smart switch for agriculture irrigation system comprises an Arduino board with a GSM module that is remotely controlled by a smartphone. Through this...
NETS For Electronics Design: Migrating from Amateur to Professional Designer
Nets are transforming electronics design! From messy wire connections to organised circuits, learn why professionals are making the switch.
Schematic circuit design is a key...
Smart Water Serving Robot
With the advent of artificial intelligence, robots find application in various sectors such as industry, homes, bars, restaurants, events, agriculture, and even space. In...
DIY Digital Dual Stopwatch
Consider this digital stopwatch with dual timers if you are seeking a dual stopwatch that allows you to measure two distinct time intervals. It...
Personalized E-Paper Clock Using ESP32 Microcontroller
We designed a Personalized DIY E-Paper Clock Using ESP32 Microcontroller. Circuit Diagram and Code explained in the article.
E-paper is continuously evolving. The day is...
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...
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...
Arduino-Based Night Security Light
This Arduino-based night security light can protect your home/office from thieves/intruders at night. The light glows when movement is detected in front of the...
Low-Power 5V Supply From Cells – 5V Boost Converter Circuit
Obtaining 5V from AA or AAA cells is a difficult task in terms of high efficiency and a low component count. Classic boost converter...
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...
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...
Remote Controlled Stereo FM Radio With RDS Using ESP-01
In this article, we will explore a straightforward method to create an IR remote-controlled FM radio with RDS (radio data system) using the ESP-01...
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...
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...
Short Circuit Protection System For Electric Vehicle Safety
We often come across news of EVs catching fire or batteries overheating and exploding. To address this, our Electric Vehicle Safety project focuses on...
Simple Temperature Controller Using The TMP36 Sensor
Modern electronics have evolved to a great extent today, encompassing computer science on one hand and information technology on the other. There is hardly...
Stop Water Cooler Damage with DIY Dry Running Protection System
With this dry running protection system, you can prevent your water cooler’s motor from dry running and activate it for about one-third of the...
Simple Stereo FM Radio Receiver Circuit
There are many AM/FM receiver circuits available, but the difficult part is making the coils and tuning the circuits. Without their proper construction and...
Simple Water Temperature Controller and Indicator Using Arduino
If you wish to monitor and control the temperature of the water, or any other liquid for that matter, this water temperature controller can...
Kitchen Security Alarm Using MQ2 Sensor
The most common cause of fire in a kitchen is gas leakage. This project will help you make an LPG leakage cum smoke detector...
Intrusion Detection and Image Storage Using Pi Camera and Firebase
The proposed project is a Raspberry Pi-based intrusion detection system that uses a passive infrared (PIR) sensor to detect motion and a Pi camera...
Real-Time Digital Clock using Arduino
This project aims to build a digital clock using a real-time clock chip (DS3231) with battery backup, a liquid crystal display (JHD 204A), and...
Simple Automatic Bathroom Light
An automatic bathroom light Circuit can be made in several ways, depending on your preference and budget. Some of the options make use of...
Touchless Arduino Water Dispenser For Washing Hands
We designed the Automatic Touchless Arduino Water Dispenser to prevent water wastage.
During pandemics like Covid-19, the frequent need to wash hands leads to significant...
ADC and DAC Trainer Tool Kit
Most trainer kits available in the market start showing wrong results after a few years of usage due to the aging of components. This...
Wireless Health and Security Monitor That Does Not Breach Privacy
Some patients and senior citizens require continuous monitoring, but it cannot be done through CCTV cameras in their bathrooms or even bedrooms as it...
Automatic Wash Basin Tap Using Arduino
An automatic wash basin tap is quite helpful in maintaining hygiene as it does not need to be touched for water flow. It is...
How to Use Supercapacitors for Low-Power Applications
Solar photovoltaic panels produce energy only while the Sun shines, but lighting is required mainly during the night. So, solar energy must be stored,...
ESP32 RTC Based Camera Using Motion Sensor
In the previous version of ESP32 cam project published in February issue you could live stream the video and access the video over Wi-FI....
Getting To Know IC 555 Through Experiments (Part 2)
The first six circuits to learn the theory and digital logic behind twelve simple experiments that can be performed using IC 555 were published...
Temperature Controlled Switch
This simple temperature controlled circuit triggers automatically when the ambient temperature goes beyond a set limit of, say, 50 degrees centigrade. This temperature setting...
ESP32 As Camera Webserver
This small-size programmable camera can start taking pictures when motion is detected and transmit real-time videos. It can be hidden easily for espionage work...
Thermal Management System For Electric Vehicles
Recently some electric bikes caught fire due to the failure of the battery management system because of poor battery design. Unfortunately, proper thermal management...
A Small Portable IoT Health Sticker
Monitoring health of a person continuously 24 hours a day and every day of the week is not easy for even doctors and researchers,...
A Remote Without Battery That Can Work For Years
There is huge chemical waste being generated by billions of batteries used in remote controllers for electronic devices like TV sets, set-top boxes, air-conditioners,...
How To Use Your Phone As A Thermal Camera
Thermal cameras or thermal accessories are one of the most essential devices for thermal scanning-based fault detection, thermal throttle analysis, thermal monitoring, or for...
Variable Power Supply For Up To 3A Current
The circuit presented here can provide up to three amperes of current for a 5V, 6V, 8V, or 9V supply. It uses the popular...
DIY: Control TV With Alexa IoT TV Controller
In a smart home, electronic appliances can be controlled through voice or gesture, including a TV set. Unfortunately, this feature is not available in...
DIY: Simple Oxygen Concentrator To Assemble At Home
In the present world, highly affected by pandemic, there is a huge spike in Covid-19 infection cases in many places. With limited resources the...
DIY: Brain Controlled Lights!!! (Using EEG Based IoT Controller)
Have you ever thought of controlling things with just your thoughts? Well, it is now possible!
The idea for this IoT project came while working...
DIY: Make Your Own UV Sterilisation Box
Due to coronavirus we are now used to alcohol based sanitisation liquids and sprays but what about disinfecting items like goggles, keys, mobile phone,...
DIY: Wireless Prosthetic Hand
What if you had an extra pair of hands to carry out tasks somewhere else while you controlled them from another location wirelessly. Seems...
An Exhaust Fan That Switches On Automatically On Detecting Smoke
Normally exhaust fans installed in kitchens, including restaurant kitchens, keep running continuously—whether smoke is present or not. Here is how you can build a...