by Alessandro Matera | Jan 1, 2021 | KeyChainino, Software
Today I want to talk about a particular dog. Not a normal dog, but a special one who don’t need a leash. This dog watch you… and is called the watchdog 😀 The watchdog – according to wikipedia – is an electronic timer that is used to detect and... 
by Alessandro Matera | Jan 3, 2020 | Hardware, KeyChainino, Software
The KeyChainino arkanoid-like game is based on a ball that bouncing on the “screen” (matrix LEDs) and a paddle used to avoid the falls of the ball in the bottom part of the screen. The heart of the sketch is the function enabled by the overflow of the... 
by Alessandro Matera | Mar 3, 2016 | DIY, KeyChainino, THT
This is the tutorial dedicated to THT, the through-hole KIT KeyChainino’s version. In this page you learn, step-by-step, how to mount and solder all the components on the PCB to make your THT. Download the schematics and the eagle file here:... 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... 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... 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...
KeyChainino 144 29,00€
KeyChainino V3 (discontinued) 29,00€
CR-2032 Battery 2,00€
THT 27,00€
KeyChainino (discontinued) 23,00€