The search returned 2 articles:

  1. February 2018: Project: A Water Tank Level Meter with WiFi and More! by Nicholas Vinen, PCBs: SC 21110171 [print issue] [online issue]
  2. February 2018: Project: A Water Tank Level Meter with WiFi and More! by Nicholas Vinen, PCBs: SC 21110171, 10 shop items [print issue] [online issue]