Let's Make Robots!

Most Collected: Tip/walkthrough

drive a parallel display using a 8574 port expander
Using a
Any parallelly interfaced character LCD you get these days will have a Hitachi HD44780 chip or a different one compatible with the HD44780. These usually have 14 … Read more
Add a cheap ADC converter to your next microcontroller project using a few basic parts.
Ever find yourself in need of some extra ADC capabilities? Maybe you have a micro with no ADC built in, maybe you've used up all your ADC pins already, or maybe the … Read more
Learn how to use your Arduino, and blink an LED
Hello all! In this walkthrough, I'm going to show you the basics of the Arduino and how to blink an LED. I know this has been done many times, but since I'm hoping … Read more
Provides instant life to a robot that you are building
Nick from Gadget Gangster is one guy in the suppliers business who has truly understood that if you support the community, the community supports your business. I … Read more
Learn the artform of hot-gluing!
So.. You just bought a hot glue gun, and you think it is just a piece of cake using it? Well, it is actually an artform :) Seriously; Step one, before you start … Read more
   One thing I do before I even start to order parts is to get a notebook.  In it I write down ideas, parts, prices, where to buy from, where to find data … Read more
Helps beginners program AVR microcontrollers, makes code more readable
Introduces Arduino Programming to PICAXE users
There has been a lot of interest in stepping up to the Arduino by PICAXE users. Since the Arduino programming laguage is "C" like and not "BASIC", there are … Read more
  Here I will try to help begginers with the most attractive electronic device the LED. :D First of all the definition of a LED: An LED or Light Emitting Diode, … Read more
If you are designing something so complex that you actually have to think (!?!).. and you get frustrated about how ugly you draw :) .. or perhaps you'd like to … Read more
Forget making a LED blink. how do you even get it to turn on? This is a walkthrough for making an LED turn on and off at will, in a small beacon for a robot's … Read more
Hi LMR...          I think that you often run into the problem with MCU that when you press a button it read it not only one time but often even 50 times or … Read more
For better readability I have attached a pdf, which explains how linear regression is used for supervised machine learning. In this paper I also derived the general … Read more
Looking at an IR-transmitter, but have no clue weather it is on or off? Turn on your camera, video or still, as long as it is digital. This blue spot does not show … Read more
I decided to build a pan/tilt mount using the DAGU parts I recently received. I did have a little trouble, but overall I'm pleased with the result.  You may notice … Read more