DIY

Simple DIY Electromagnetic Bell

You might think its pass time while I was talking about simple electromagnetic bells at my blog. Truth be told I would agree with you and embedjournal is pitching for a higher game in the near future. We will soon get into some android programming and write mobile apps that...

Dec 14, 2014

Serial Ports are dead? Think again!

Your Desktop-PC doesn’t have a Serial Port in the back side? Don’t be so sure of it. If you can’t see it, doesn’t mean it ain’t there! All you have to do is look properly. If you are a full-time laptop user, stop right here! This article is of no...

May 30, 2014

How To Breadboard Power Supply

Most of the time your breadboard will just need a 5 volt supply to power all the components. Very rarely you might need a 12 volt (if you are driving loads like motors) or 3.3 volt (devices rated at 3v3). In this post we will see the making of a...

Oct 20, 2013

Standalone BreadBoard Breakout for PIC Microcontrollers

I wanted to make a breadboard breakout for PIC microcontrollers after seeing this arduino breadboard breakout from adafruit. This product is fully standalone and yet has very small footprint so that it can be conveniently plugged into the breadboard. The most amazing part was that it still has 2 rows...

Aug 9, 2013

Make PCBs at Home With Toner Transfer Method

Toner Transfer method for making PCB at home is probably one thing that went as viral as the Arduino. Electronics hobbyists around the world started using it to make professional looking PCBs at home. Here I will document the steps involved in fabricating PCBs with things that you can mostly...

Aug 7, 2013

Make a Tray to suspend PCBs into the Etchant

In this post I will document the procedure involved in making a tray to suspend PCBs. The enchant (FeCl3 solution) is toxic and cannot be handled with bare hands. So I devised this easy and reusable method for suspending the PCBs with the toner into the solution. If you are...

Aug 5, 2013

Make a Digital Clock with DS1307 and PIC 18F4520

Digital clocks are are very commonly (cheaply) available these days. Some of them have a built in RTC to keep the time running even if the main battery fails and some of them don’t. In either case, for a standalone embedded application to get time, an RTC in almost the...

Jul 19, 2013

Hack a Toy Car to Make a Cheap Wireless Robot

Hack a toy car to make a cheap wireless robot? Yes, cheap toy remote cars form china can be scavenged to get their remotes to work with our robots. All of us have seen and played with toy cars some time in the past. Some -like me- might have bought...

Jul 7, 2013

How-to: Make a Chassis For Your Robot

Ready made chassis that are available in the market (like the one above) are really good, cheap and for all you know they might have been subjected to an R&D before fabrication. In spite of all these advantages I still see the following issues with ready made chassis. They are...

Jun 11, 2013

Programming a Line Follower Robot

Programming a Line Follower Robot is the next step that you should do after building it. This is a follow-up on my previous post Line Follower Robot - Build it from scratch. If you haven’t already read it, I suggest you read it before going any further in this post....

Jun 4, 2013

Line Follower Robot - Build it from scratch

Line Follower Robots are the most common type of robots that are built by hobbyist and students interested in robotics and embedded systems. The reason for the popularity of the Line Follower robot is the fact that it is simple to build and it is easy to understand the logic...

Jun 1, 2013

DIY wireless Keyboard (fun in making things yourself)

I have a TVS eGold mechanical Keyboard. I was looking at some websites that sold wireless keyboard and soon found out that they were all membrane type. I have been using the mechanical one for quiet some time now and love it so much that I can’t possibly revert back...

May 9, 2013

Make a Simple RC (Remote Controlled) Robot Car

Whether you are an engineering student building a multi terrain vehicle or an electronics hobbyist trying to impress people with your skills, making a RC robot car (wireless) is much better than the wired robot which you will have to tail while driving. This is not exactly a robotics project....

May 5, 2013