We did explicitly ask for projects that use a 555 timer for the One Hertz Challenge, but we weren’t expecting the 555 to be the project. Yet, here we are, with [matt venn]’s Open Source 1Hz Blinky, ...
Abstract: This paper presents the impact of parasitic elements on the design and performance of an active EMI filter (AEF) for an active clamp GaN MOSFET flyback switching mode power supply (SMPS).