[[File:decoracover.jpg|400px|thumb|left]]<br clear=both>
* Buttons are [https://www.amazon.com/20pcs-Momentary-Tactile-Button-Switch/dp/B008DGA9UY/ref=pd_day0_60_2?_encoding=UTF8&pd_rd_i=B008DGA9UY&pd_rd_r=GNV66H9DW90V434T9PAN&pd_rd_w=j6naj&pd_rd_wg=jsniR&psc=1&refRID=GNV66H9DW90V434T9PAN at amazon].
[[:File:tactile push button square cap.jpg|400px]]<br clear=both>
=== Design questions ===