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Wiren Board 5:Аппаратная часть/en: различия между версиями
Wiren Board 5:Аппаратная часть/en (просмотреть исходный код)
Версия 04:45, 15 декабря 2015
, 8 лет назадНет описания правки
| Строка 230: | Строка 230: | ||
While the internal current source is activated (as by default) the input is pulled high to the internal 3.3V power rail. | While the internal current source is activated (as by default) the input is pulled high to the internal 3.3V power rail. | ||
If the input is left floating, the corresponding discrete input state is a | If the input is left floating, the corresponding discrete input state is a logical high. | ||
If the input is connected to the signal ground the input state is a | If the input is connected to the signal ground the input state is a logical zero. | ||
Therefore, external buttons, sensors, etc. should be connected between the Rx and GND terminals. | Therefore, external buttons, sensors, etc. should be connected between the Rx and GND terminals. | ||