Search found 3 matches

by stoffel67
Fri Apr 29, 2016 11:53 am
Forum: Opentherm Gateway Forum
Topic: Opentherm connected to ESP8266
Replies: 5
Views: 9242

Re: Opentherm connected to ESP8266

Hello, I have connected a ESP8266 to my OTGW too. ( I replaced the 7805 with RECOM R-78E5.0-0.5, the ESP8266 is powered with LF33CV, and between PIC and ESP8266 I use a Levelshifter for the data lines) I see all the replies from the OTGW in the Log ... T901815A4 T80000100 T10149233 ... but when I tr...
by stoffel67
Thu Apr 21, 2016 8:51 pm
Forum: Opentherm Gateway Forum
Topic: OTGW power problem
Replies: 2
Views: 3426

Re: OTGW power problem

Hi Schelte, great tool you have designed... I am impressed... I believe I found the error: The 7805 has disfunction.... evertime I mount the PIC the voltage drops down... I dissasembled the 7805 and tried with an LED ... same effect... voltage is dropping... I soldered another one and VOILA: I get: ...
by stoffel67
Thu Apr 21, 2016 2:47 pm
Forum: Opentherm Gateway Forum
Topic: OTGW power problem
Replies: 2
Views: 3426

OTGW power problem

Hello I am new to OTGW, I got a new heating (ELCO Trigon S with QAA73) and I want to monitor the heating. I bought a OTGW Board and assembled it. I did all the checks from this side. http://otgw.tclcode.com/debugging.html All checks are OK, all current are within the mentioned range. Until: until I ...

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