Hi all, 

My friend and I are working on a solution (actually two separate solutions, for flexibility) to voice-control a stand-alone datalink-controlled BeoGram. 

You may have seen this solution: a BeoGram (obviously), a BeoMaster to connect it to, a BeoLink converter 1611 to convert DataLink to MasterLink, a NL/ML converter to convert MasterLink to NetworkLink, and a BeoLink Gateway to integrate it with Khimo+IFTTT+Google Home/Alexa.

That's a big bunch of boxes for a relatively small task, if all you want to do is to voice-control a BeoGram. And the 2 converters are obsolete, meaning that you would need to find it second hand.

What we want is to simply connect the BeoGram sound output (either from built-in or external riaa preamp) directly to line-in of a product, and then connect "something" to the data-pin of the DIN plug on the BeoGram.

What we have in mind is:

a) A solution where you need a BLGW, a Global Cache IP2IR, optocoupler and remote access (Khimo) + a special DIN plug - quite easy to set up - but also a bit more expensive than solution b (but nowhere near as expensive as the one mentioned above). 

b) A much cheaper solution with a developer board where you don't need any other hardware than a resistor, an optocoupler and a NodeMCU board + a special DIN plug. But it requires a little more work, although I'd say it isn't difficult at all.

We are still working on the documentation, but here's a demo of the end-result (solution b) recorded on a late night in my basement (sorry for the bad light quality).