# lightsaber (blogs) — RSS Amplifier Recent posts from the 2 feeds in the RSS Amplifier directory that cover lightsaber. Page: Feed: --- ## [Lightsaber Repair: Replacing a fried TC4056A IC](https://joshfrye.com/blog/2026/08/lightsaber-repair-replacing-a-fried-tc4056a-ic/) _2026-08-03 · Josh Frye · joshfrye.com_ I recently fixed a lightsaber that went completely dead and refused to take a charge. When your weapon goes dark like that, there’s only one thing to do: break out the multimeter, draw up some schematics, and get the soldering iron hot. ## [Diagnosing Wheel Imbalance with a GoPro and FFmpeg](https://joshfrye.com/blog/2026/07/diagnosing-wheel-imbalance-with-ffmpeg/) _2026-07-18 · Josh Frye · joshfrye.com_ Using frame differencing in FFmpeg to visually isolate vehicle vibrations.