Calandria ("Lark" - super simple oscillator)

A very simple sound circuit based on astable multivibrators built with 40106 two Schmitt Triggers. Un circuito sonoro muy sencillo basado en dos multivibradores astables construidos con dos Schmitt triggers (40106)

See video to listen to it: Ver video para escucharla: http://vimeo.com/19232440