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Core embedded topics, each written up at book length. Open a book to see its contents and get the PDF.
The ebooks are written in Korean. The request form and the book pages open in Korean.
Free PDFKorean
Serial Communication, All at Once
From UART to CAN and RS-485. How many wires each bus uses, what its waveform looks like, and when to choose which.
Free PDFKoreanSensors, All at Once
How a physical quantity becomes a number. How sensors turn temperature, acceleration, magnetic field, distance and current into data, and how to connect them to an MCU.
Free PDFKoreanIntroduction to BLDC Motor Control
From six-step to FOC. From electromagnetic basics to designing a three-phase inverter and spinning a BLDC motor with an STM32.