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Arsip catatan teknis dengan topik #hardwarefail oleh Usman AR.

Semua Catatan Embedded & Firmware 2 Engineering Journal 0 Lab Notes & Hardware 2 Software & Cloud 1 Tak Berkategori 0

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#quicktip #buildinpublic #pcb-design #stm32 #kicad #hardwarefail #freertos #python

Usman AR @usmanar.eng • 3 weeks ago

Lab Notes & Hardware

Oscilloscope vs Logic Analyzer: Menemukan Spike Misterius di SPI Bus

Hari ini troubleshooting kendala komunikasi SPI antara STM32F4 dan chip flash external W25Q128. Data selalu korup di frekuensi di atas 10MHz.Awalnya mengira clock divider di kode HAL yang bermasalah. Pas dicek pakai logic analyzer, paket data kelihatan terkirim utuh tapi bit CRC reject. Pas ditusuk...

#hardwarefail #pcb-design #quicktip #stm32

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Usman AR

Senior Hardware & Software Engineer | Industrial IoT, Bare-Metal Firmware, Jetson Edge AI, Qt/C++

🔗 usmanar.com • Jakarta, Indonesia

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