Shop OBEX P1 Docs P2 Docs Learn Events
RS232 level input — Parallax Forums

RS232 level input

ArchiverArchiver Posts: 46,084
edited 2002-11-20 00:37 in General Discussion
Hi,

I found the following simple schematic to provide
a RS232 level input to a SX18. Will this also work
on the Basic Stamp (SX28) and Javelin Stamp (SX48)
or do I need additional components to protect the
I/O input?
(use monospace font courier new to view schematic)

EIA-232 |
Input |
<
+--- 33K ---| PA0
| |
180K
|
<
+
|
V GND

Regards peter
Sign In or Register to comment.