
<a href="http://www.casperelectronics.com/images/finishedpieces/sequencers/switchScheme.jpg"><img src="http://www.casperelectronics.com/images/finishedpieces/sequencers/_switchScheme.jpg" width="300" height="214" alt="" title=""  /></a>


I made some changes from the first schematic. Added 1K resistors to ground at the input of each logic gate. This pulls the gate to ground when there is no positive signal coming from the 4017.
The transistorized LED drivers (red outline) are necessary for powering step and channel indicators. Trying to power the LEDs directly from the 4017 or 7408 can will result in dim LEDs and irratic functionality.<br>

I've only tested this circuit with ONE channel. I'm concerned that there may be signal strength issues when I add three more..... but I'll just have to try it and see. I'll post my findings as they're made.