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....
Street Light Controller
Two of the problems commonly associated with street lights are false triggering due to slight variation in the intensity of ambient light and no control over switching action. Here is a simple switching circuit for street lights that overcomes these problem
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...
Micro Inverter – Battery Charger Circuit
Need a quick power boost? This simple circuit converts 12V DC to 230V AC. Perfect for relaxing with a night lamp or charging your...
Simple Low Power Inverter
Here is a simple low power inverter that converts 12V DC into 230-250V AC (DC to AC Converter).
It can be used to power very...
Arduino Device to Control Appliances Wirelessly
Creating a Bluetooth-controlled device with an Arduino Uno and an HC-05 Bluetooth module enables control of lights or even relays to manage AC appliances...
Access Control System Installation: Wiring, Setup, and Smooth Operation
This article describes the basic installation of an RFID and password-based door access control system. Access control systems allow only authorized persons to enter...
Smart ESP32 Solution to Optimize Mobile Tethering and Battery Management
Connecting to a wireless LAN network is a popular option for accessing internet-based applications. A readily available alternative is tethering or using a mobile...
Brushless DC Motor Driver
Brushless DC motor drivers are fuelling the rise in BLDC motor. But their control usually requires rotor position information for selecting the appropriate commutation...
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...
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...
High/Low-Voltage Cut Out With Built-in Delay
Most electronic and electric devices require a voltage within certain limits. If the voltage applied is higher than normal, the current drawn by the...
Automatic Wash Basin Tap with LED Light
When waking up at night to use the wash basin, you may struggle to find the switchboard to turn on the light before opening...
Multi-Purpose Wire-Loop Security System
This multi-purpose security system utilises wire loops to secure items. Wire loops can be employed in various ways for security applications such as luggage...
DIY USB MP3 Player for Under ₹150!
If you go to the market to buy an USB MP3 player, it will cost around 500 rupees or more. But you can assemble...
Gadget For Dual Protection From Viruses
The Corona pandemic is officially over but its ill effects are still being seen, especially in crowded places like popular markets and malls. Besides,...
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...
RFID-Based Authentication System Using Arduino
The radio frequency identification (RFID) system used for the identification and tracking of objects makes use of an RFID reader and a tag. The...



