Season 2 · Episode 642
From PC Building to Car Modding: DIY Electronics Guide
Think building a PC is hard? Try wiring a car. Herman and Corn explain how to upgrade your ride’s tech without frying the CAN bus.
My Weird Prompts · Daniel Rosehill
February 15, 202625m 7s
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Show Notes
Is your car’s head unit a "potato" with only 1GB of RAM? In this episode of My Weird Prompts, Herman and Corn dive deep into the high-stakes world of DIY automotive electronics. Inspired by their housemate Daniel’s quest to modernize a 2026 Seat Ibiza, the duo explores why a car is a far more hostile environment for hardware than any climate-controlled office. From the fluctuating voltages of a lead-acid battery to the high-vibration reality of Jerusalem’s streets, they break down the essential differences between desktop computing and automotive engineering. Listeners will learn the "golden rules" of car modding: why you should never "wrap and jam" a fuse, how to identify constant versus switched power with a multimeter, and the terrifying reality of the CAN bus—the car’s internal internet. Whether you are looking to hide a GPS tracker or install a high-end Android head unit with a dedicated digital signal processor, this episode provides the technical roadmap needed to avoid multi-thousand-dollar mistakes and keep your car’s safety systems intact.