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Alexey Baranov
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Interview Question/1. Hardware Skill (I2C_SPI_UART).md
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5. Как уменьшить шум в UART?
1. Экранированный кабель + скрутка
2. Переход на RS - 485 (дифференциальный сигнал)
3. Разнести питание и сигнал
6. Как проверить UART в Linux?
1. `stty -F /dev/ttyS0`
2. `echo "test" > /dev/ttyS0`