January, 2016 | KeyChainino

[DIY] Make your own KeyChainino

by Alessandro Matera | Jan 24, 2016 | DIY, KeyChainino

Many people, inspired by KeyChainino’s Charlieplexing, have developed their own device using KeyChainino’s sketch from my github. Someone has designed it’s own matrix schematic, someone else asked to me for the KeyChainino’s schematic to help...

[TUTORIAL] How to make the WALLED game step by step – Part 4

by Alessandro Matera | Jan 17, 2016 | game, KeyChainino, Tutorial

In the previous tutorial, we learned how to make collision between the “man” and the “wall” in the WALLED game. Today we make a function that increases the walls speed after a number of walls spawned. And we create some aesthetical to insert at...

[TUTORIAL] How to make the WALLED game step by step – Part 3

by Alessandro Matera | Jan 11, 2016 | game, Tutorial

In the previously tutorial, we learn how create the Walls and their gates of the WALLED game. Today we talk about the collisions between the man and the walls and how to make the score of the game. Step 1: Start, End and Reset the Game Before checking the collision...

How I have increased the battery life of my Arduino project by 3000%

by Alessandro Matera | Jan 9, 2016 | Hardware, KeyChainino

Yeah, I’m not kidding! What I’m about to tell you will increase by 3000% the battery life of your Arduino project if you are using LEDs. I want to give you an example: If you turn ON a lamp it will consume tot watts – for example 100 Watts. Now, if...

[TUTORIAL] How to make the WALLED game step by step – Part 2

by Alessandro Matera | Jan 5, 2016 | game, KeyChainino, Tutorial

In the previous tutorial we learned how to make the “man” of the WALLED game and how to move it. Today we start to build the descending walls and its gates that will be crossed by our man! Let’s start inserting the walls variable. Step 1: Make the...