| Nowadays microcontroller circuits that cannot be connected to a PC are hopelessly old-fashioned. One option is to use one of the many types...
| Nowadays microcontroller circuits that cannot be connected to a PC are hopelessly old-fashioned. One option is to use one of the many types...
| The boom in camera phones means you can now pick up tiny snap-on flash guns for a couple of pounds if you know where to look. And if you loo...