ESP8266 Based Wireless Web Server
This ESP8266 based wireless web server project is built around an arduino. Currently, ESP8266 is gaining popularity in the field of electronics because it...
Garage Light and Security Control
Useful for vehicle owners, this garage light control & security system automatically turns on indoor/outdoor garage lights and raises an alert when an automobile...
5-Band Graphic Equaliser
This graphic equaliser uses low-cost op-amps. Good quality op-amps powered by a single voltage supply are readily available in the market. The op-amp should...
Lead-Acid Battery Charger With Voltage Analyser
Nowadays maintenance free lead-acid batteries are common in vehicles, inverters, and UPS systems. If the battery is left in a poor state of charge,...
IR Remote Switch
Imagine the convenience of selecting TV channels using your remote and then pointing the same remote to your switchboard to switch on/off the fan...
LED Hourglass Timer
This circuit (Fig. 1) simulates the old hourglass timer. A total of 32 LEDs create the effect of sand grains passing from the upper...
PWM Based Speed Control for DC Motors
There are several methods for controlling the speed of DC motors. One simple method is to add series resistance using a rheostat. As considerable...
Managed Leased Line Network
In the present age of globalisation, businesses are spread all around the world. In order to operate the business smoothly, there is a strong...
8 Free eBooks On Digital Signal Processing
Those working in the field of electronics already know how important 'DSP' or Digital signal processing is. It is used to manipulate the information...
Number Guessing Game
This number guessing game is quite simple. In this game the player thinks of any number between 1 and 99. Then he scans the...
















