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Yes, you are right about the GPIO pins, i tested with no gateway attached. Selecting 'none' as output of course has no real meaning, but should be in line with the GPIO , where i can select 'none'. I am using a Isense; is there a way to switch on the backlight from OTmonitor. I am planning to mount ...

Back again, after some time, i picked up my gateway project. I found out that now some new features have been implemented. However, i still have some questions : Does the software recocnize the differences between a DS18B20 and a DS18S20. (at the moment i have a NTC, connected to a pic 16F1825.on th...

As promised some pictures of my gareway. I designed a single layer PCB with Sprint Layout and used a switching power supply. (less than .3 W total power consumption) As my main purpose was to display the outside temperature on the iSense, i also made a piggy back PCB to which i connect the temp. sen...

i got my OTG working at last. It seems that the optocouplers are quite critical. I used some standard single oc, bought from a local dealer, but they did not work. Probably the transferrate is to small or the max. frequency to low. Two oc's taken from defective switching power supplies did work. How...

Some boilers have, some dont. Remeha Avanta and Tzerra dont have an input. However, the sell a gateway (but dont realy support it), to connect an outdoor sensor to. I was triggerd by this website http://www.tclcode.com/opentherm/index.html, but i cannot find the proper software and obviously there i...

Hi, i am new to this forum. I was interested in the Remeha gateway to connect to my new Tzerra 39 to be able to read outside temperatures. However that would set me some € 129,- back just to do that. Because i am planning to install a second Tzerra 39 to be able to control work and living area of my...