Latest development from me.......

[ecca]

Here's an original eTap non-valve conversion to auto working.
It uses the same box and power supply, it's for Roger Bayliss.

https://www.facebook.com/photo.php?fbid=10204883030978740&l=a5769224f3

and here's the innards.......

https://www.facebook.com/photo.php?fbid ... 931422bd6e

[roger bayliss]

It looks great ol Pal thankyou. You will have to educate me on how to use it ! Look forward to a session with it.

Cannot comment on it on Facebook as it says post has been removed ?

[Twang46]

That's a busy box there Ecca.

What's the usb port for ?

Dick.

[ecca]

To program the Arduino.......

[alanbakewell]

To program the Arduino.......

I had an Arduino as a child. We fed it Grasshoppers. It chewed through my Dad's slipper.

[Twang46]

To program the Arduino.......

Ah, so grasshopper ................

[ecca]

Here's another little step - an EF86 pre-amp..... not tried yet but not far away.

ef86preamp.JPG

(681.35 KiB) Downloaded 12605 times

[ecca]

......and it works a treat !
Sounds brilliant, uses the AC 15 input circuit.