Content for Project

RFID based automatic door system

“When we see sophisticated door management system(s), the price tag struck immediately along with the utility off-course. In countries like India, such automatic systems are not cheap by any yardstick. So, we decided to test a simple and cheap …

Solar Charged Battery Powered Arduino Uno

“This instructable shows how to create a time switching battery powered solar charged circuit, which is used to power an Arduino Uno and some peripherals (sensors, communication modules, etc.). If you want to design a remote data logger, power supply …

Solar LED Rechargeable Emergency Light

“This is a 48 Led solar / AC rechargeable emergency light. Fully recharged battery works 9 hrs with 24 led’s and 4.5 hrs with 48 led’s. A SPDT switch is used to select 24 and 48 led’s …

Speed of Light with an IR LED

“The speed of light has been measured many different ways using many ingenious methods. The following note describes a method which is conceptually easy to understand and fairly easy to implement. The technique is the simple time-of-flight optical pulse delay …

The Collatz-O-Matic

“Are you sick of having to work out the Collatz Sequence by hand? Run out of whiteboard space? Hand cramping up with all your scribbling? Then you need my latest project, the Collatz-O-Matic! This came about because after the previous …

Using the 4 pins of the ESP8266-01

“The limited number (4) of GPIO pins on the ESP8266-01 may seem like an obstacle, for any serious application. Yet if one uses the pins in a smart way it is very well possible to do a lot with …

Wireless Communication Using Cheap 433MHz RF Modules and Pic Microcontrollers. Part 1

“Sending data over an RF link to a PC. There are many articles on the internet describing how someone can add wireless capabilities to a project. A plethora range of options and technologies exist and the choice is based upon …

A Desk Drawer Protector Using ESP8266

“I am slightly (just a teeny bit, I assure you) obsessed with my desk drawer and the arrangement of the contents therein. When I am in dire need of my Kuru Toga pencil (sketch emergency) or my Alaskan knife (bear …

Arduino line follower with PID and 90 degree turns

“This is my line follower with PID and arduino. It does 90 degree turns.”

Arduino Touch Screen Music Player and Alarm Clock Project

“In this project I will show you how you can make an Arduino Touch Screen MP3 Music Player and Alarm Clock. You can watch the following video or read the written tutorial below.”