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virt2real.ru • Просмотр темы - Использование USB-UART из Arduino для связи с Виртурилкой
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Использование USB-UART из Arduino для связи с Виртурилкой

СообщениеДобавлено: 23 сен 2013, 03:24
grender

Re: Использование USB-UART из Arduino для связи с Виртурилко

СообщениеДобавлено: 23 сен 2013, 19:30
Mirmik
Небольшое примечание... Использование платы Ардуино в качестве переходика usart-usb не требует микроконтроллера. Его можно вынуть из кроватки, и переходник все равно будет работать. (Это даже рекомендуется для стабильной работы...)

Насколько я прозвонил схему, на выводах USART висит по резистору в 1кОм... По некоторым соображениям рискну предположить, что это и есть те самые мифические защитные резисторы, о которых было сказано, но которых никто не видел :)...

Этого более чем достаточно для защиты порта... Если же на порте станет слишком горячо, излишки утянуться через внутреннюю диодную защиту порта на шину питания вирты... А там конденсаторы и дофига потребление... Капля в море.

З.Ы. Для корректного общения с консолью вирты через встроенный "Монитор порта" Ардуино, следует выставить окончание строки "CR" (рядом с настройками скорости). По умолчанию там стоит - без окончания строки и вирта думает, что посылка не завершена, следовательно консоль не работает.

Re: Использование USB-UART из Arduino для связи с Виртурилко

СообщениеДобавлено: 05 фев 2015, 19:15
dobromir

Re: Использование USB-UART из Arduino для связи с Виртурилко

СообщениеДобавлено: 06 фев 2015, 14:51
realizator
Почему не подойдет? Отлично работает.

Re: Использование USB-UART из Arduino для связи с Виртурилко

СообщениеДобавлено: 06 фев 2015, 15:39
dobromir

Re: Использование USB-UART из Arduino для связи с Виртурилко

СообщениеДобавлено: 08 фев 2015, 20:49
realizator