| Don’t throw out your old PCs and notebooks or leave them gathering dust in the basement! They can be a useful resource: by adding this unive...
| Don’t throw out your old PCs and notebooks or leave them gathering dust in the basement! They can be a useful resource: by adding this unive...
| If you want to learn how to quickly build Linux-based applications able to collect, process and display data on a PC from various analog and...
| Transferring up to 24 digital signals using your computer’s USB interface is simple with the multifunction cable described here. You can als...
| A computer is suitable for making (audio) measurements thanks to the sound card that is usually built in. Unfortunately, the audio input on...
| Opacity is a measure of impenetrability of objects or substances to radiation. Here, we are concerned with light, specifically within the sp...
| In previous articles in this series we have described an A/D converter based on a counter. A ‘real’ A/D converter, however, converts a volta...
| In the previous instalment we measured capacitances and resistances. You may have wondered if this was all worth the effort, when accurate a...
| So far in this series we have used the PC only with digital signals: switching, monitoring and counting. Now we turn to the analogue domain:...
| Computer systems in test environments are no longer a rarity. Many applications fall back on the use of a PC as test equipment and end up pr...
| An interface between the PC and the external world does not have to be complicated. This general-purpose Windows interface needs only thre...