terminal_usb: Add note for pull-up resistors

diff --git a/converter/terminal_usb/README b/converter/terminal_usb/README
index 79e31d2ebb14dcf94acc53a1ffc735017978026a..eeb257062b6407ed66005a61d28dc4bc8fbe0e06 100644 (file)
--- a/converter/terminal_usb/README
+++ b/converter/terminal_usb/README
@@ -15,6 +15,7 @@ Data:       PD0
 Clock:      PD1
 
 And VCC and GND, of course. See RESOURCE for keyboard connector pin assign.
+Use 1K ohm pull-up resisters on the signal lines.
 
 
 BUILD
@@ -31,6 +32,7 @@ KbdBabel: http://www.kbdbabel.org/
 RJ45 Connector: http://www.kbdbabel.org/conn/kbd_connector_ibmterm.png
 DIN Connector: http://www.kbdbabel.org/conn/kbd_connector_ibm3179_318x_319x.png
 
+
 Terminal keyboards
 ------------------
 122-key