1 Topic by David_PhD (edited by David_PhD 2026-03-12 17:24:33)

Topic: Cooldrive and module 4 relays Arduino

I would like to share a couple of items I have designed for QElectroTech. One is something commonly used and recognizable, a 4-relay module for Arduino.

The other is something less well known. It is a board called CoolDrive designed by NResearch. It is designed to extend the life of its own valves. It is something I have not found anywhere else and would be a plus if it were included in your open source program.

Post's attachments

Attachment icon cooldrive_nresearch.elmt 21.76 kb, 10 downloads since 2026-03-12 

Attachment icon cooldrive_nresearch_module_4_relay.zip 4.34 kb, 6 downloads since 2026-03-12 

Attachment icon module_4_relais.elmt 11.05 kb, 8 downloads since 2026-03-12 

  • scorpio810
  • scorpio810
  • QElectroTech Team Manager, Developer, Packager
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Re: Cooldrive and module 4 relays Arduino

Hello David,
please share them, just edit your post to see file upload.

One is something commonly used and recognizable, a 4-relay module for Arduino.

Like this?
https://qelectrotech.org/forum/viewtopi … 661#p13661

"Le jour où tu découvres le Libre, tu sais que tu ne pourras jamais plus revenir en arrière..."Questions regarding QET belong in this forum and will NOT be answered via PM! – Les questions concernant QET doivent être posées sur ce forum et ne seront pas traitées par MP !

3 Reply by David_PhD (edited by David_PhD 2026-03-13 09:36:39)

Re: Cooldrive and module 4 relays Arduino

scorpio810 wrote:

Hello David,
please share them, just edit your post to see file upload.]

One is something commonly used and recognizable, a 4-relay module for Arduino.

Like this?
https://qelectrotech.org/forum/viewtopi … 661#p13661


Sure, I'm not used to forums and didn't know I also had to click on “add file.” Okay, I've uploaded both files and a zip file with both of them.


Yes, it's the link you sent me, which is 8, but I made the 4 relay module which had been missing.