简单的光开关电路,Simple optical switch IntroductionThe 555 is proved to be the most versatile and ubiquitous IC all over the world.This is a possible use: simple inverting schmitt trigger.Circuit expl...
简单的光开关电路,Simple optical switch IntroductionThe 555 is proved to be the most versatile and ubiquitous IC all over the world.This is a possible use: simple inverting schmitt trigger.Circuit expl...
Specifications 5 LED VU Meter kit is based on LB1409 IC from SANYO, which will indicates the volume level of the audio signal it sensesSUPPLY 12V DC @ 50mAPR1 REF SETPR2 AUDIO LEVEL SET SchematicParts...