addison45
Posts: 2
Joined: Thu Jun 20, 2019 11:08 am

How do I configure GPIO of the ELB-REV4?

Thu Jun 20, 2019 11:10 am

I need to make several digital interfaces for controlling

drgeoff
Posts: 9738
Joined: Wed Jan 25, 2012 6:39 pm

Re: How do I configure GPIO of the ELB-REV4?

Thu Jun 20, 2019 12:19 pm

This forum supports RPi products and their uses. The ELB-REV4 does not appear to fit into those categories.

https://drive.google.com/file/d/10qSPFX ... k5Nea/view
Last edited by drgeoff on Thu Jun 20, 2019 12:50 pm, edited 1 time in total.

LTolledo
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Re: How do I configure GPIO of the ELB-REV4?

Thu Jun 20, 2019 12:48 pm

could be spam post....
"Don't come to me with 'issues' for I don't know how to deal with those
Come to me with 'problems' and I'll help you find solutions"

Some people be like:
"Help me! Am drowning! But dont you dare touch me nor come near me!"

jamesh
Raspberry Pi Engineer & Forum Moderator
Raspberry Pi Engineer & Forum Moderator
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Re: How do I configure GPIO of the ELB-REV4?

Thu Jun 20, 2019 12:53 pm

LTolledo wrote:
Thu Jun 20, 2019 12:48 pm
could be spam post....
Will keep an eye on it...
Principal Software Engineer at Raspberry Pi (Trading) Ltd.
Contrary to popular belief, humorous signatures are allowed. Here's an example...
"My grief counseller just died, luckily, he was so good, I didn't care."

addison45
Posts: 2
Joined: Thu Jun 20, 2019 11:08 am

Re: How do I configure GPIO of the ELB-REV4?

Thu Jun 20, 2019 1:22 pm

Sorry guys i did not mean to spam but i wanted to know how can i interface Raspberry pi with ELB-REV4. Since ELB-REV4 uses UART i am connecting RPi UART to ELB-REV4 but the communication does seem to work

Rogger-78
Posts: 4
Joined: Tue Jun 04, 2019 3:00 pm

Re: How do I configure GPIO of the ELB-REV4?

Thu Jun 20, 2019 1:27 pm

The reason why you do not see the UART of RPi communicating with ELB-REV4 is because UART of ELB-REV4 uses 5V data signal which is mostly used for industrial purpose. But if you want to want to communicate between the 2 then just convert 3.3V data output of the RPi to 5V data output. using some FTDI chips present online you can use this chipset https://www.reichelt.at/entwicklerboard ... D_BwE&&r=1

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B.Goode
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Location: UK

Re: How do I configure GPIO of the ELB-REV4?

Thu Jun 20, 2019 1:40 pm

addison45 wrote:
Thu Jun 20, 2019 1:22 pm
Sorry guys i did not mean to spam but i wanted to know how can i interface Raspberry pi with ELB-REV4. Since ELB-REV4 uses UART i am connecting RPi UART to ELB-REV4 but the communication does seem to work


The Raspberry Pi Foundation documentation concerning the UART Interface built in to the RPi board is here: https://www.raspberrypi.org/documentati ... on/uart.md

Note the warning about potentially dangerous and incompatible signal levels.

alexandrajacobs1996
Posts: 3
Joined: Fri May 31, 2019 4:30 am

Re: How do I configure GPIO of the ELB-REV4?

Sun Jun 30, 2019 5:01 am

On ELB-REV4 you can configure any GPIO pin to turn on/off or to generate PWM needed for your application. there are example code present in the path /builds/SCADA/filesystem/usr/scada/led you can see example code to turn on/off GPIO or to generate PWM.

Regards

Alexandra Jacobs

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