We all know how fireworks are lit. It is simple, hold the flame of a lighter close to its wick and the gunpowder does the rest of the magic. However, in this post, I am going to explain how to do the ...

For that reason, [Hulk] designed a simple relay module in order to cut the amount of time he spends implementing this solution in his various other projects. While driving a relay with a ...

GND of the module is the common (0V) connection. The digital signal ... only a few external components are needed to build a relay-driver circuit. Yes, there is a chance to realize one simple ...