There are few things as frustrating when you’re trying to get some serious hacking done than intruders repeatedly showing up without permission. [All Parts Combined] has the solution for you, with a ...

A 4-way intersection traffic light controller built on Arduino, with a live LCD countdown and Serial-adjustable timing — implemented using non-blocking (millis()-based) timing rather than delay().

The concept of a 3D scanner can seem rather simple in theory: simply point a camera at the physical object you wish to scan in, rotate around the object to capture all angles and stitch it together ...