Published:2009/7/17 4:46:00 Author:Jessie | From:SeekIC
Whooper siren using two LM3909 chips (courtesy National Semiconductor Corporation).
Reprinted Url Of This Article:
http://www.seekic.com/circuit_diagram/Power_Supply_Circuit/Whooper_siren_using_two_LM3909_chips.html
Print this Page | Comments | Reading(3)
Code: