STK435 IC-Based Stereo Amplifier
This stereo AF amplifier uses the STK435 IC, a highly popular choice due to its simplicity. The STK435, with its 15-pin configuration, requires only...
Arduino-based Sewer Drain Shield for Smart Cities
Drainage systems are vital for storm water management but often transport pollutants, especially plastics, to rivers and oceans, harming ecosystems. Traditional sewer cleaning methods...
ESP32 Speech Function: Text to Speech
Speech capability in technology primarily has two dimensions: text to speech (TTS) and speech to text (STT). This ESP32 Text-to-Speech device focuses on TTS....
Flame-Sensing Fire Alarm Using an Arduino Nano
Fire safety alarms are crucial in both residential and industrial environments. Early fire detection can prevent significant damage and save lives. Flame sensors offer...
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...
Automatic Wiper Control for Three/Four Wheelers
The integration of a 555 timer and L293D motor driver in an automatic wiper control device presents a practical and efficient solution for enhancing...
World’s Smallest Programable IndusPhone Design (Part 1)
Smartphones have become a necessity in daily life. Smartwatches also help in staying connected with phones and receiving notifications. Call access is available directly...
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...
Arduino Bluetooth Control Device
Creating an Arduino Bluetooth control device with an HC-05 Bluetooth module enables control of lights or even relays to manage AC appliances wirelessly using...
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...
Electronic Digital Piano
Pianos and many other musical instruments have now been digitised. They can now be replicated using electronic circuits. This device converts traditional pianos or...
From Sound To Action: Build A DIY Sound-Activated Device With Google Teachable Machine
In this article, we explore how to use Google's Teachable Machine AI model with a spectrogram to recognize sounds and trigger actions. The model...
School Automation System to Notify Prayer Time and Period-Over
This school automation system for reminding the school prayer or national anthem time and period-over bell utilises Arduino to automate the bell schedule and...
Automatic Street-Cum-Porch Light
The automatic street-cum-porch light integrates the functionalities of street and porch lights into a single unit, optimising space and reducing clutter. By using LEDs,...
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...
Wireless Ultrasonic Radar with TFT Monitor
The Wireless Ultrasonic Radar described here is a scaled-down version of a true radar system. It utilises ultrasonic sound waves to detect nearby objects,...
Real-Time Environmental Data Logger and Plotter
In today’s world, where environmental concerns are increasingly at the forefront of global consciousness, the ability to monitor and analyse environmental data has become...