ham_radio:easydigi [Jon's Repository of Info]

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====== EasyDigi Radio Interface ======

===== A summary of the device =====

[[https://www.ebay.com/usr/cliffordwareham|CliffordWareHam]] sells a very inexpensive board on eBay that takes care of the interfacing between your computer and your radio for PTT and Audio connections.

===== Why this over a Signalink? =====

Cost. Bar none. That being said, a Signalink is a pretty awesome solution, and is rock solid. However, you can make your own version with an EasyDigi for a lot less.

===== How to use with your radios =====

Most cost efficient way to use the device is to use one EasyDigi for each station location. If you sit at a desk with multiple rigs, use one if you’re only going to use one at a time (don’t multitask!). How to accomplish multiple rigs with one unit? Add a universal connector between your rig and the EasyDigi. I tend to use 9 port serial connectors, but you could also use a 5 pin DIN/MIDI connector as well. Typically, you are using four wires to interface your radio (speaker, mic, ptt, and ground).

==== Recommended parts ====

  * Cases
    * [[https://www.mouser.com/ProductDetail/546-1551KFLBK|Flanged box in black]]
    * [[https://www.mouser.com/ProductDetail/546-1551KBK|Non-flanged box in black]]
    * Experiment with a taller box if you need room using a 5 Pin DIN plug for your universal adapter. Serial will work.
  * Grommets
    * [[https://www.mouser.com/ProductDetail/534-739|3/8 sized, worked well for most of my boxes]]
  * Connectors
    * [[https://www.mouser.com/ProductDetail/485-1799|3.5mm TRRS Plugs (FT-60, TH-9000D, etc)]]
    * [[https://www.mouser.com/ProductDetail/568-NYS231B|3.5mm TRS Plugs (Headphone Audio, UV-5R sound, etc)]]
    * [[https://www.mouser.com/ProductDetail/171-PA2281-2-E|2.5mm TRS Plugs (UV-5R, other Chinese handhelds)]]

==== Adapter section ====

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=== Kenwood Radios (6 Pin Mini-DIN) ===