Category: WIP_Part

  • 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 […]

  • 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 […]

  • OXO – Part 2

    When designing a project like this, I like to revert back to my tried and trusted pencil and paper to draw flowcharts and after a couple of iterations I came up with this. Whilst the process depicted above is basically correct, as it stands it’s highlighted some problems. The diagram shows that some branches have […]

  • OXO – Part 1

    My original blog post details how I came to start this project and why I chose to see if I could construct this using TTL chips and diodes so I won’t repeat those ramblings here. Instead, let’s get right down to seeing if I can build this or not.  For me, design is an iterative process. I […]