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Oh one more thing how do i know wich one is the 123 or 4 from the triangle ic in the drawing?In other words, all the ground symbols tie together and to the negative (black) supply wire. The audio input wires connect to the top of R3 and to ground (same negative wire)
Hope my answer doesn't offend anyone.
Ps; Should R3 be a variable resistor?
thanks m8If you place the chip so the semicircular indent is at the top and/or the circular mark is at the top left corner (your chip has both , some have only one), then the pins will be on the left and right sides.
pin 1 is on the top left corner, pin 2 below it, then pin 3, with pin 4 on the bottom left corner.
Pin 5 is on the bottom right, with pin 6 above it, then pin 7, and finally pin 8 on the top right corner.
Pretty much all pin numbering goes in a circle, clockwise from the index mark.
Google for a datasheet for this component and it will have all these details as well as many more.
Anti-clockwise actually (unless you have one of those joke clocksPretty much all pin numbering goes in a circle, clockwise from the index mark.
And of course, the symbol used for Common implies it is connected to earth ground.
M.