https://markelov.dev/tags/hardwarediy/ Recent content in HardwareDIY on Markelov.Dev Hugo en-gb © 2007-2026 Andrey Markelov Sun, 07 Jun 2026 08:00:00 +0000 https://markelov.dev/posts/dso138-oscilloscope-hardware-warm-up/ Sun, 07 Jun 2026 08:00:00 +0000 https://markelov.dev/posts/dso138-oscilloscope-hardware-warm-up/ <p>As a Solution Architect, I work with high-level abstractions. To refresh my low-level skills, I decided to get back into hardware.</p> <p><img src="https://markelov.dev/posts/dso138-oscilloscope-hardware-warm-up/osc.jpg" alt=""></p> <p>I hadn&rsquo;t done any soldering in over 20 years, so I used this DSO138 oscilloscope kit as a warm-up project to calibrate my skills.</p> <p>The main objective next: assembling a retro Z80-based computer running CP/M.</p> <p>Whether designing cloud infrastructure or tracing PCB circuits, the core logic of system architecture and debugging remains the same.</p>