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Нет такой области электроники, где бы не использовались тактовые кнопки. Название "тактовая кнопка", произошло от слова «тактильный», т. е. от непосредственного соприкосновения. Кнопки бывают самых различных видов, но как правило, самые распространенные кнопки делаются без фиксации, и служат для кратковременной подачи сигнала в управляющую цепь. При нажатии на такую кнопку напряжение подается на микропроцессор, который управляет силовой или слаботочной цепью реагирования на нажатие. При этом возникает так называемый дребезг контактов. Он представляет собой многократное нажатие в течение доли секунды. Дребезг компенсируется программно или аппаратно. При нажатии на такую кнопку раздается, как правило, щелчок. Тактильные ощущения от нажатия на такую кнопку более ярко выражены. Основные характеристики: Размеры и правила установки Сила тока в используемой цепи Номинальное напряжение Количество циклов нажатия Рабочая температура Цикл
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