Quick electronics question - DiscussWorldIssues - Socio-Economic Religion and Political Uncensored Debate

**engacenus** · 11-03-2008, 08:24 AM

Just looking at this sound operated circuit...

http://www.zen22142.zen.co.uk/Circui...ng/soundsw.htm

and am thinking that the 'suitable value' for R1 will essentially control the level of sound at which the circuit will operate? also - i have no need for a relay so i can just leave that out of the circuit?

many thanks peeps

11-03-2008, 08:24 AM	#1
engacenus Join Date Oct 2005 Posts 494 Senior Member	Quick electronics question Just looking at this sound operated circuit... http://www.zen22142.zen.co.uk/Circui...ng/soundsw.htm and am thinking that the 'suitable value' for R1 will essentially control the level of sound at which the circuit will operate? also - i have no need for a relay so i can just leave that out of the circuit? many thanks peeps Share Share this post on Digg Del.icio.us Technorati Twitter
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