RS232 level input
Archiver
Posts: 46,084
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
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