# OPC UA server Client with raspberry pi (4DIAC IDE) **URL:** \ **Category:** General Discussion\ **Created:** [March 13, 2018, 11:47am UTC](https://forum.inductiveautomation.com/t/opc-ua-server-client-with-raspberry-pi-4diac-ide/17339 "2018-03-13T11:47:08Z")\ **Posts on this page:** 3\ **Page:** 1
**Author:** ![anugerahnurisatria](https://avatars.discourse-cdn.com/v4/letter/a/ee7513/32.png) [@anugerahnurisatria](https://forum.inductiveautomation.com/u/anugerahnurisatria)\ **Post date:** [March 13, 2018, 11:47am UTC](https://forum.inductiveautomation.com/t/opc-ua-server-client-with-raspberry-pi-4diac-ide/17339/1 "2018-03-13T11:47:08Z")
I have problems, when i try running this programs, at QX output “merah\_0” has “TRUE” value in client, and i try to connect with raspi, but at gpio raspi can’t switch on the lamp. I use opc ua client and server to communicate all of them and 4diac ide to run the programs. ![](https://us1.discourse-cdn.com/inductiveautomation/original/2X/2/2b7288fb7ee743456af2a6e33c18929e6f6f9aba.jpg) how can i solve this problems? ---
**Author:** ![R.Alamsha](https://avatars.discourse-cdn.com/v4/letter/r/e5b9ba/32.png) [@R.Alamsha](https://forum.inductiveautomation.com/u/R.Alamsha)\ **Post date:** [March 13, 2018, 12:53pm UTC](https://forum.inductiveautomation.com/t/opc-ua-server-client-with-raspberry-pi-4diac-ide/17339/2 "2018-03-13T12:53:25Z")
Did you check this? > **[kevinherron/pi-server](https://github.com/kevinherron/pi-server)** > > OPC UA Server for Raspberry Pi. Contribute to kevinherron/pi-server development by creating an account on GitHub. ---
**Author:** ![anugerahnurisatria](https://avatars.discourse-cdn.com/v4/letter/a/ee7513/32.png) [@anugerahnurisatria](https://forum.inductiveautomation.com/u/anugerahnurisatria)\ **Post date:** [March 13, 2018, 2:18pm UTC](https://forum.inductiveautomation.com/t/opc-ua-server-client-with-raspberry-pi-4diac-ide/17339/3 "2018-03-13T14:18:58Z")
is it okay when i use 4DIAC IDE? is it same with other software to run program?