Две кнопки, вместо потенциометра! Прикольно! Опции

[Иван Булочкин (гость)]

Чувки, давно и безутешно ищу эту схему.. помогите плиз

[Игорь Шаев]

To follow up on RG's note, although the presence of push-buttons prompts one to think of it as being used in a little-bit-more-little-bit-more fashion, press-and-hold is fine too. Indeed, start thinking about this in terms of a stompbox with two heavy-duty momentary SPST switches. Better yet, start thinking about it in terms of *four* momentaries: - begin rise (gradually charge cap) - move to full on (fully charge cap) - begin fall (gradually discharge cap) - move to full off (fully discharge cap) The charge/discharge time is, as noted, set by the value of the resistors, so a transition-time pot or two would be a nice addition.