pushbutton encoder or rotary switch from Duraswitch, Mesa, Ariz. (www.duraswitch.com), called the thiNcoder-PB can be placed directly into layers of a membrane switch or flex circuit. A pushbutton ...
This article describes how to design and build an adjustable, encoder-controlled, two-range sine / square wave oscillator using the SLG47004 IC. To design a simple analog sine wave oscillator (using ...