UPDATE A TEXTBOX WITH COM PORT DATA

Shafique

Board Regular
Joined
Nov 23, 2018
Messages
119
Hi Everyone....
I am developing a WEIGHT SCALE Database In MSAccess
HERE i connect a digital weight scale with my computer via COM1 port
I set two command buttons
1: = GROSE
2: = TARE
how it possible that i click cmdGROSS and the weight displayed in txt1st TEXTBOX that displaying on scale's weight indicator

as it is with cmdTARE to txt2nd
 

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You would need to look at the manual to see how that scal sends data or answers requests for data?
Bit like using a scanner, all are or can be different.
 
Upvote 0
Google for it. You will be suprised how many manuals are out there.
I just download one for a device I had for years and lost the manual.

Two steps really.
1. Find out what the scale sends.
2. Find out how to read the COM port to get that value.
 
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