Questions tagged [rs422]

RS-422 is a point-to-point serial communication bus using differential signalling to achieve high data rates.

Filter by
Sorted by
Tagged with
2
votes
1answer
2k views

RS-422 distance sensor with arduino

I need to make a converter to go from RS422 full duplex to my Arduino. I have found lots of different chips which I think can do this, but am slightly confused by the terminology. The RS422 device is ...
3
votes
1answer
423 views

Is the ground necessary with an opto-isolated RS422 signal

I have 8 opto-isolated RS422 ports to install. All of them are coming from a single PC card. It provides the opto-isolation for every RS422 port. Every signal is opto-isolated from the PC ground and ...
1
vote
2answers
2k views

How would I make an Arduino Due recieve RS-232/422 signals?

Background on this question is here: What can I do to decrease the latency from these serial ports which are attached to a PC via a Serial to USB adapter? I'm looking at purchasing an Arduino Due to ...
8
votes
4answers
7k views

What can I do to decrease the latency from these serial ports which are attached to a PC via a Serial to USB adapter?

I think I have accidentally discovered a need in my life for embedded systems. Which is great! And kind of scary. And I need help. Background: I got hired to build a GUI application which takes scans ...
1
vote
3answers
9k views

Can I an RS422 interface to Arduino's serial pins?

I have a custom-designed circuit that communicates to and from the external world through an RS422 interface. I wish to communicate with it with an Arduino, preferably UNO. The RS422, much like the ...