Use up down buttons to see work. Has presets plus reset. Use switches to preset then press load button to set. I have not made this circuit exactly as listed here but similar. I removed the logic trains as you can't buy them and I like to make circuits real. Again note to all new comers to Everycircuit. If you click “in Chrome” or tap “in app” on a user names you will see their profile and a list of their public circuits for viewing.