ROBOT.LK

Can any EXPERT be kind to give me a Shematic & Theories to Build A Low pass RC filter (100~500hz)

RC circuit: http://en.wikipedia.org/wiki/RC_circuit

Low-pass filtering:
http://en.wikipedia.org/wiki/Low-pass_filter
http://www.electronics-tutorials.ws/fil ... ter_5.html
http://focus.ti.com/lit/an/sloa049b/sloa049b.pdf
http://www.st-andrews.ac.uk/~www_pa/Sco ... expt2.html

Calculator:
http://www.muzique.com/schem/filter.htm

http://www.electronics-tutorials.ws/fil ... ter_5.html
That link was really useful Shane Thank you
now I can make my Bass Led