In a message dated 09/12/2008 18:50:39 GMT Standard Time, kwyatt@............. writes: If anybody has an add-on period extending circuit or Larry's board I would be very interested! Hi Kay, _http://jclahr.com/science/psn/roberts/index.html_ (http://jclahr.com/science/psn/roberts/index.html) _http://jclahr.com/science/psn/cochrane/index.html_ (http://jclahr.com/science/psn/cochrane/index.html) !! ChrisIn a message dated 09/12/2008 18:50:39 GMT Standard Time,=20 kwyatt@............. writes:<= FONT=20 style=3D"BACKGROUND-COLOR: transparent" face=3DArial color=3D#000000 size= =3D2>If=20 anybody has an add-on period extending circuit or Larry's board I would be=20 very interested!Hi Kay,!!Chris