Making an Arduino shield can be simpler than you think. This time I designed one to program Attiny and Atmega microcontrollers, that way I don't have to use a breadboard and make the wiring to program ...

Sometimes it’s nice when you can do everything you need to do with just one single port. In this vein, [Nicola Strappazzon] ...

This is the most complex or detailed soldering I've done so far, the QFN20 package is very small but still not impossible to ...

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.