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 them in their KeyChainino replica. KeyChainino

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

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

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

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

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

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:

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

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

[TUTORIAL] How to make the WALLED game step by step – Part 1

Making a Game for KeyChainino is really easy. To prove that, I decided to realize a tutorial to design the WALLED game step by step in a really easy way. The goal of this game is to move the “man”

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