[GreenKeys] Interfacing with the teletype...for newbies [M26 newbie, part 2]

[Gerry Block]

 Harold I am admiring from afar the work you have done on your TU.
I don't know what method you are using to actually solder the flatpack.  
The 'easy' way is to place the package and tack solder two corner pins till it is where you want it.
Then flood one row of pins at a time with liquid flux
Drag a loaded soldering iron tip across the pins.  You can do an entire row in about 5 seconds.
Metcal used to even make a special tip with a small solder reservoir in the end (i.e. a hole) for this purpose...
RegardsGerry Block
    On Monday, July 1, 2024 at 10:31:57 AM PDT, Harold Hallikainen via GreenKeys <greenkeys at mailman.qth.net> wrote:  
 
 I agree that the very inexpensive terminal units on eBay and the XR2211
circuit will do the job. I used the XR2211 in several products I designed
in the late 1970s and 1980s. Very nice chip!

If you'd like to try some surface mount soldering, you could try my DSP TU
( https://w6iwi.org/rtty/DspTU2/ ). I have a few bare boards that could be
free to a good home. I use it on the air daily. I'm working on the WiFi
code so it can copy ITTY without an external computer.

Harold
https://w6iwi.org

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