What is the watchdog and how to use it

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 ūüėÄ The watchdog¬†– according to wikipedia –¬†is an electronic¬†timer¬†that is used to detect and...
How to solder THT

How to solder 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:...

[DIY] Make your own 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...
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