Hacker News: hadriettahttps://news.ycombinator.com/user?id=hadriettaHacker News RSShttps://hnrss.org/hnrss v2.1.1Thu, 30 Apr 2026 08:36:32 +0000<![CDATA[New comment by hadrietta in "How I leared what a decoupling capacitor is for, the hard way"]]>Having 1.5V Vpp ripple on a 3.3V supply rail seems more like an issue with the regulator / bulk capacitance than a decoupling capacitor, I would think?

]]>Tue, 28 Apr 2026 01:27:42 +0000https://news.ycombinator.com/item?id=47929473hadriettahttps://news.ycombinator.com/item?id=47929473https://news.ycombinator.com/item?id=47929473