A couple of days ago I got a Xino board like this one. Not is this about the cheapest way to get an Ardunio compatible microprocessor, but it has the benefit of a nice little prototype area on board too. So, although it fits standard Arduino shields, many simple projects can be completed on just […]
A decent multimeter is great, but there’s times when you just want to have a quick check to see what signals are high, low or neither. A logic probe is ideal for this, but the cheap ones are about £15+, so I decided to build my own. For less than a quid!