For years, building a custom flight controller meant shelling out for expensive, legacy single-core silicon (usually an STM32) and wrestling with complex timer/DMA configurations. The ScrapHawk project flips the script by leveraging the ultra-affordable Raspberry Pi RP2040 to deliver a high-performance, zero-latency flight stack on a hacker's budget.

But this isn't just a cheap port—it's a complete rethink of drone hardware architecture designed to tackle one of the most annoying problems in multirotor builds: Electromagnetic Interference (EMI) from high-current ESCs blinding your magnetometer and GPS.