moparisthebest
/
tmk_keyboard
mirror of https://github.com/moparisthebest/tmk_keyboard
1
0
Fork 0
Code Issues Releases Wiki Activity

added note about external pull resistor on DATA line.

This commit is contained in:
tmk 2011-02-13 23:02:08 +09:00
parent 5bc29b50ef
commit a96085faf6
1 changed files with 4 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

4
adb/README
View File

@ -8,6 +8,10 @@ This firmware converts ADB keyboard protocol to USB.
Build
-----
0. Connect ADB keyboard to Teensy by 3 lines(Vcc, GND, Data).
You need a external pull-up resistor on DATA line in most case,
in particular when you want to use a long or coiled cable.
This converter uses AVR's internal pull-up, but it seems to be too weak.
The external pull-up resistor is strongly recommended.
PSW line is optional. See ADB.txt for details.
1. Define following macros for ADB connection in config.h:
ADB_PORT