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Why is nothing ever simple
I’ve just bought 100 x 74LS590 IC’s for a project. They came from China and looking at them, I’m not sure they are genuine. They look a bit suspect (the laser etching isn’t quite right) and the packing was terrible with the pins bent all over the place, so it makes sense to test them.…
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Fixed it…
I’ve been having a problem with WordPress that I assumed was down to my limited knowledge and experience. Turns out there is a bug. I use “Tags” on posts. This allows me to group like posts easily together. I then use the WordPress “Query Loop” to display a list of all related posts at the…
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Oscilloscope Kit Repair – Part 2
In the first part of this nail-biting adventure, I explained the origins of this oscilloscope and that after some basic investigations and repairs it was now sort of working. Now many of us are used to repairing a piece of equipment with limited or no documentation, but the more complex the equipment is, the harder…
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Oscilloscope Kit Repair – Part 1
Back in the mid 70’s when I’d not long started playing with electronics I stumbled across the advert from the British National Radio & Electronics School. It promised to teach you electronics and as part of the course work you would build a working oscilloscope. My brother had one and he’d used it many time…