From 4cb288ce9cfe31cd344d8d789c4ac1e87fdc6934 Mon Sep 17 00:00:00 2001 From: Morgan Redfield Date: Sun, 3 Jul 2016 14:27:34 -0700 Subject: [PATCH] Created HamShield Computer Audio adapter (markdown) --- HamShield-Computer-Audio-adapter.md | 19 +++++++++++++++++++ 1 file changed, 19 insertions(+) create mode 100644 HamShield-Computer-Audio-adapter.md diff --git a/HamShield-Computer-Audio-adapter.md b/HamShield-Computer-Audio-adapter.md new file mode 100644 index 0000000..4d82317 --- /dev/null +++ b/HamShield-Computer-Audio-adapter.md @@ -0,0 +1,19 @@ +The Computer Audio adapter is a cross-over adapter that connects the microphone pin of a computer's TRRS audio port to the speaker output of the HamShield, and vice versa. All you have to do to use it is assemble it and plug it in. + +# Assembly + +Assembly of the adapter requires access to a soldering iron. Populate the components as follows: + +R1 = 1.2 kOhms (brown, red, red, gold) +R2 = 10 kOhms (brown, black, orange, gold) +R3 = 1.2 kOhms (brown, red, red, gold) + +C1 = 0.01 uFarads +C2 = 0.01 uFarads + +JP1 = four pin male header +J1 = TRRS jack + +You will also need to solder a four pin female header to JP3 on the HamShield (just to the side of the HamShield's audio jack). + +When you plug the audio adapter in to the HamShield, the TRRS jack of the adapter should line up with the TRRS jack of the shield. \ No newline at end of file