A few days ago I ordered a control board from BlueRail Trains.
The first in what is supposed to be a number of inexpensive systems for controlling your trains from your phone or device.
Today, it arrived in the mail.
I attached a 9V battery to it, started up the software and it appeared on the home screen. Selecting it brought me to the throttle screen. There are three separate ‘skins’ you can use for the throttle, depending on taste.
Pulling out the right hand tab, you get some sound options.
There’s also a more detailed options and setup screen.
The sound comes out of your phone, or, optionally, a bluetooth-enabled speaker.
I wont have this in a locomotive for a couple of weeks, but so far its promising.