之前我一時唔小心，把5V ﹠ RST 插錯了，燒左 5V 供電個 part, 雖然外接電源仲 work, 但係好麻煩。 之後買多粒 nano 返來玩，推 xbee, 玩過下 servo 一陣（work ga）, 兩星期後，發覺5V output 只有 ~3.5V ...

We’ve shown you lots of weird and wonderful gizmos that DIY electronics fans have made using the powerful Arduino board, and now there’s a new option: the Nano. It’s not very much bigger than a stick ...

Back in the day, building a DIY radio was fun! We only had to get our hands at a germanium diode, make some coils, and with a resistor and long wire as an antenna maybe we could get some sound out of ...

What do you do when your trusty, 45 year old calculator finally needs to be retired? If you’re a programmer with a knack for making things — like Simon Boak — you custom build a replacement. This is ...