Project 1 : Make Serial Conventer
From serial HPLX (10 pin ) to DB9 ( 9 pin)
I m too poor man to buy serial pack HPLX ;-) and I has good idea to make conventer myself, 1st I lookfor in my "garbage" collection , and find Hardisk Notebook conventer and i'm buy DB9 serial head and finish, u wanna create to ? and Let's go Create that :
I Make the schematic :
1. The serial port of your HP 200 LX looks like this
(Look at the right side of your palmtop). The numbers are the pin numbers of the
serial port, to which all of the following will refer to.
| [backup battery, IR] [1 2 3 4 5 ] [12V DC
jack] [6 7 8 9 10] |
2. The Male DB9 look front
_______________________
\ /
\ 5 4 3 2 1 /
\ /
\ 9 8 7 6 /
\ /
------------
3 . You must Connection with the Formula
|
HP200LX |
Connect |
DB9 Male |
| 1 |
<------> |
1 |
| 2 |
<------> |
3 |
| 3 |
<------> |
2 |
| 4 |
<------> |
6 |
| 5 |
<------> |
5 |
| 6 |
<------> |
4 |
| 7 |
<------> |
8 |
| 8 |
<------> |
7 |
| 9 |
<------> |
9 |
| 10 |
<------> |
not conected |
4. Serial converter