How Hardware Startups Use Bare-Metal Programming for Speed

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How Hardware Startups Use Bare-Metal Programming for Speed

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In this episode of Hardware Startups with Fexingo, Lucas and Luna explore why bare-metal programming is making a comeback among early-stage hardware startups. They break down how skipping an operating system can cut boot times from seconds to milliseconds, reduce bill-of-materials costs by eliminating the need for high-end microcontrollers, and give engineers full control over power consumption. Lucas walks through a real example: a smart sensor startup that needed a 50-millisecond wake-to-transmit cycle to hit a 10-year battery life on a coin cell. They discuss the trade-offs — no multitasking, no USB stack, no over-the-air updates without writing it yourself — and when a startup should graduate to an RTOS like FreeRTOS. The conversation also touches on how bare-metal code simplifies certification for medical devices and industrial IoT, where deterministic timing matters more than developer convenience. If you're building a connected device on a tight budget, this episode shows why writing direct to the metal might be the smartest first move. #BareMetalProgramming #HardwareStartups #EmbeddedSystems #Microcontroller #StartupEngineering #Firmware #IoT #LowPower #CoinCell #MedicalDevice #IndustrialIoT #RTOS #FreeRTOS #BootTime #PowerOptimization #Business #FexingoBusiness #BusinessPodcast Keep every episode free: buymeacoffee.com/fexingo

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