| Recently I dusted off my old logic analyser as part of a major housecleaning exercise. The instrument dates from my time as a student in the...
More about logic (136)
| This project is based on the ‘Fan-Flash’ published in the December 2010 edition, a circuit that gives the illusion of stopping the blades of...
| In the wake of the London riots Prime Minister David Cameron floated the idea of a partial ban on social media. But is the technology in pla...
| Although the final application, a reliable system to hatch chicken eggs, may seem specialized, the method of getting there has potential for...
| We’re at the dawn of the fifth technological revolution. At least, that’s the working premise of the recently founded think/do tank the Hyb...
| Colossus was a digital computer that contained 2400 valves and ran its programs as fast as a modern computer. It was designed in 1943 and ma...
| The oscilloscope is a fine tool for showing the evolution of a signal in time, but when it comes to digital signals it soon shows its limita...
| The small super-bright Luxeon LEDs from Philips are suitable for many applications, including small but handy (that is, bright) pocket torch...
| Generating a stable, high-frequency signal from a crystal is simple, but you can’t always get just the frequency you want. Of course, you ca...
| Back in the 70’s when engineers were bread-boarding their designs using the new fangled microprocessors they soon found that the traditional...