Making an Arduino shield can be simpler than you think. This time I designed one to program Attiny and Atmega ...

I had this idea of building my own bicycle lighting system totally personalized, the lights would have the exact lighting ...

Once upon a time, ham radio was all about CW and voice transmissions and little else. These days, the hobby is altogether richer, with a wide range of fancy digital data modes to play with.

Have you ever wished your hand had an extra feature? Like, maybe, a second thumb? A scope probe pinky maybe? Well, if you are building a robot effector, you get to pick what extra features it has.