This dual-channel relay module is engineered to safely and reliably interface with microcontrollers that manage higher-voltage or higher-current loads. It provides a dedicated 5 V supply for powering ...

What is the point of reviewing a cheap timer module, especially if it is based on the ubiquitous 555 timer chip? Recently I got an ‘updated’ version of the common 555 timer relay module. This time it ...

Relay module gives us the possibility to protect our Raspberry Pi and to interact with a device that needs a power source higher than 5v, in this example we will see how to use the Relay module with ...

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 ...