Arduino tehNiq

   For some applications we need to send numbers (integer or not) from one Arduino to another Arduino, fo example, is easy to read one or ...

my original article     In simple Arduino projects you can use delay command for have few seconds a led on and after that off, but in in ...

original article    A simple system alarm can be made with Arduino board, a sensor module (sound, PIR, Doppler, etc) and 2 switch or remo...

original article    I want to send many commands using just 1 wire (and ground) so I use 2 Arduino boards.    Base schematic for unidirec...