div class=ts-pagebuttonPage 1button div class=ts-image amp-img class=ts-thumb alt=Page 1: Sound Activate Switch - Beta-eSTORE · PDF fileClap switchSound activated switch designed around op-amp flip-flop and popular 555 IC Switch is free from false triggering to turn src=https:reader031vdocumentsnetreader031viewer20220305095ab955407f8b9aa6018dbc5ehtml5thumbnails1jpg width=142 height=106 layout=responsive amp-img divdiv