tag:blogger.com,1999:blog-1311381797415896809.post7878439615158590103..comments2022-07-10T08:05:40.337+02:00Comments on Coffee, bits and bikes: It works! Opentherm Interface V2Unknownnoreply@blogger.comBlogger5125tag:blogger.com,1999:blog-1311381797415896809.post-52284983601934732982014-12-25T20:08:55.096+01:002014-12-25T20:08:55.096+01:00Hi R Oort,
The idea was to get a simpler interface...Hi R Oort,<br />The idea was to get a simpler interface and less power wastefull so that the controller could be powered by the boiler.<br />The LP2950-3.3 was not needed since there is one inside the JeeNode. The LM358 is a dual opamp, therefore two appear in the schematic (with different pin numbers) and only one physical IC in the proto.Anonymoushttps://www.blogger.com/profile/14558830794909772691noreply@blogger.comtag:blogger.com,1999:blog-1311381797415896809.post-14898365414801458172014-11-15T11:42:36.901+01:002014-11-15T11:42:36.901+01:00Has the reception of the Opentherm signals improve...Has the reception of the Opentherm signals improved (or gotten worse), When comparing this V2 Design to the Version 1 schematics (using opto-couplers) ?<br /><br />What parts are used ?<br />In the schematics of V2 i notice two LM358 Opmamp's<br />However on the Proto-PCB i only see one.<br />Also the LP2950-33 is lacking .....Anonymoushttps://www.blogger.com/profile/04527732199297518270noreply@blogger.comtag:blogger.com,1999:blog-1311381797415896809.post-85813219204984121382013-03-02T17:19:22.192+01:002013-03-02T17:19:22.192+01:00Hello all,
the project succeeded in reading and wr...Hello all,<br />the project succeeded in reading and writing commands to the boiler. We were unable to power the interface and a jeenode from the loop.<br />The code is hosted by Alex (see my friends blogs).Anonymoushttps://www.blogger.com/profile/14558830794909772691noreply@blogger.comtag:blogger.com,1999:blog-1311381797415896809.post-92183449516311468912012-11-19T23:23:53.832+01:002012-11-19T23:23:53.832+01:00Hi Silva,
I read your post.
Could you share the ...Hi Silva,<br /><br />I read your post.<br /><br />Could you share the project?<br /><br />Regards<br /><br />MIRKO UGOLINIMirko Ugolinihttps://www.blogger.com/profile/05254417836995477516noreply@blogger.comtag:blogger.com,1999:blog-1311381797415896809.post-411277091015481022012-11-19T23:22:00.911+01:002012-11-19T23:22:00.911+01:00Hi Silva,
I read your post.
Any news? how the prot...Hi Silva,<br />I read your post.<br />Any news? how the proto proceed?<br /><br />Could share the wall project and source?<br /><br />Regards<br /><br />Mirko Ugolini <br /><br />mirko.ugolini@gmail.com<br /><br /><br /><br /><br /><br />Mirko Ugolinihttps://www.blogger.com/profile/05254417836995477516noreply@blogger.com