The search returned 2 articles:

  1. October 2022: Project: 30V 2A Bench Supply, Part 1 by John Clarke, PCBs: SC 04105221/2, 5 shop items [print issue] [online issue]
  2. November 2022: Project: 30V 2A Bench Supply, Part 2 by John Clarke, PCBs: SC 04105221/2, 5 shop items [print issue] [online issue]