One of my favorite activities is discovering the inner secrets of electronics systems as I am always looking for interesting design ideas. That way, I can take those design tricks a step further, ...

Most modern smartphones have big screens, fast processors, and excellent cameras. One thing they don’t usually have? Headphone jacks. That’s a feature that’s still common on budget phones and some mid ...

The M5Stack is a development kit particularly suitable for developing IoT applications (see figure 1). It is Open Source and it is compatible with Arduino. It allows creating IoT applications in a ...