#287 Remote Controller for Clocks (IKEA and others, DCF77, WWVB, MSF, JJY)
Why the open web links it
Builds a remote controller for radio-controlled clocks and explains the underlying electronics and signal principles.
Linked by 4 independent sites, 3 of them widely read in the 2026-10 crawl of the open web, including hackaday.com, wolfram.com, rtl-sdr.com, sensorsiot.org.