Shelly H&T goes Homematic - with original firmware (V2)

© 2019 Stefan K. (aka 66er) - detailed information about this at the end of the manual (#3)

Hello everybody,

even the Shelly H & T can be integrated with the original firmware in Homematic.

A flash of third-party firmware like Tasmota is not necessary.

This has the advantage that app and cloud compatibility are preserved.

This description is version 2 of this little prject.

# 1 Introduction and project presentation

# 2 Settings Shelly

# 3 Integration in Homematic

Shelly H&T as a virtual device in Homematic

In addition to temperature and humidity, the battery voltage and battery status can also be displayed as an option.

Furthermore, a failure of the Shelly H & T can be detected and reported.

All App and Cloud Shelly properties are fully retained, regardless of use in Homematic.

Querying the information puts a strain on the battery and shortens its life cycle!

In order to save the battery as best as possible, my implementation recognizes when the Shelly H & T sends its data. And then the information for Homematic is retrieved. An additional awakening of the Shelly H & T does not take place.

The degree of extra battery load depends on the desired data accuracy and the resulting setting in the Shelly H & T.

I myself run all installed Shelly on a Homematic Charly with CCU3 firmware.

Shelly H&T:

There is only 1 entry necessary in the Shelly H & T:

To set the system variable in Homematic to "in order", we use the "Actions" function of the Shelly H & T, which can only be set in the WEB UI via browser.

At this point, the note that currently the data can not be transferred directly via Actions to Homematic.

Code:

http://192.168.1.93:8181/x.exe?Antwort=dom.GetObject("Shelly-HT_Ausfall_1").State(1)

Adapt the IP address and name of the used Homematic-system variable (here: Shelly-HT_Ausfall_1)

That's all in this part of coupling.

Now have fun with it.

Integration in Homematic

If not yet available, please create a device (28) System Exec! Above that the commands are issued. (No entries are made in CUxD-Exec!)

For 1 Shelly H&T we need 4 system-variables in Homematic:

Now, you 've to create:

1 CUxD-device (90)

funktion: Thermostat

name: what ever you want

Icon: should be freely selectable (I take the wall thermostat)The already created variables are assigned to channel 1 of the CUxD device.Futher, we need 1 channel of an existing or new created CUxD-Timer. The setup of the timer:

The code for SYSTEM|CMD_EXEC:

extra/timer.tcl Shelly-HT_Ausfall_1 0

Adapt the name of the system variable (here: Shelly-HT_Ausfall_1)

At least, you create a program:

(The 2nd IF line is not relevant for the process, but part of my CCU, will be omitted from you)

The script in the programm:

!Skript V2.3 zur Gesamt-Datenübernahme vom Shelly H&T mit Originalfirmware (c) 2020 by 66er (alias Stefan K.)
!HT1       = Name des Gerätes, kann angepasst werden


!**** SETUP ******** SETUP ******** SETUP ******** SETUP ***

! ACHTUNG: Beim Anpassen der Adressen keine "" löschen!

! Setup der CUxD-GERÄTE
var url = "http://192.168.1.130/status"; !  IP-Adresse des Shelly H&T anpassen 
var execht = "CUxD.CUX2801001:4";   ! Adresse und Kanal des CUxD-Exec-Device angeben
var shellyht =  "CUxD.CUX9002002:1";  ! Adresse und Kanal des CUxD-Device für den Shelly D/W anpassen


!Setup der SYSTEMVARIABLEN
var htlf = "Shelly_HT1_Luftfeuchte";  ! Name der Systemvariablen anpassen
var htbs = "Shelly_HT1_Batt-Status"; !Name der Systemvariablen anpassen
var htv = "Shelly_HT1_Batt-Spannung"; !Name der Systemvariablen anpassen


!****ENDE SETUP ********ENDE SETUP ********ENDE SETUP ******



!Abfrage des Shelly H&T

dom.GetObject(""#execht#".CMD_SETS").State("wget -q -O - '"#url#"'");
dom.GetObject(""#execht#".CMD_QUERY_RET").State(1);
string Antwort = dom.GetObject(""#execht#".CMD_RETS").State();
string t = dom.GetObject(""#execht#".CMD_RETS").State();
dom.GetObject(""#execht#".CMD_SETS").State("0");  
!WriteLine(Antwort);





! Temperatur
string s;
foreach (s,t.Split (",")) {
  if (s.LTrim ("{").StartsWith ('"tC"')) {
   string e =  (s.StrValueByIndex (":",1).RTrim ("}"));
!   WriteLine(e);
  }
  
}




! Temperatur im CUxD-Gerät setzen
dom.GetObject(""#shellyht#".SET_TEMPERATURE").State(e);



! Luftfeuchte
string word = "hum";
integer word_laenge = word.Length();
integer word_position = Antwort.Find(word);
string daten = Antwort.Substr((word_position + word_laenge +11), 4);
integer word_position = daten.Find(word);
daten = daten.Substr(0, (word_position -3));
! WriteLine(daten);     ! = Luftfeuchte




!Luftfeuchte in der Systemvariablen setzen

dom.GetObject(""#htlf#"").State(daten);




! Batterie-Status
string s;
foreach (s,t.Split (",")) {
   if (s.LTrim ("{").StartsWith ('"bat"')) {
   string e =  (s.StrValueByIndex (":",2).RTrim (","));
!   WriteLine(e);
   }
}  


! %-Angabe in der Systemvariablen setzen

dom.GetObject(""#htbs#"").State(e);


! Batteriespannung
string s;
foreach (s,t.Split (",")) {
   if (s.LTrim ("{").StartsWith ('"bat"')) {
   string e =  (s.StrValueByIndex (":",2).RTrim (","));
!   WriteLine(e);
   }
}  
! WriteLine(daten);   

 

string word = "voltage";
integer word_laenge = word.Length();
integer word_position = Antwort.Find(word);
string daten = Antwort.Substr((word_position + word_laenge +2), 4);
integer word_position = daten.Find(word);
daten = daten.Substr(0, (word_position -3));
! WriteLine(daten);     ! = Batterie-Spannung




! Batteriespannung in der Systemvariablen setzen

dom.GetObject(""#htv#"").State(daten);



daten = "0";

!Ende Skript

Please, as always, adjust the IP address, CUxD addresses and names of system variables

Have fun and success with it.

____________________________________________________________

The instructions including the scripts and pictures are subject to copyright. Anyone who infringes the copyright (for example, pictures or texts illegally copied and published on other websites), according to §§ 106 ff UrhG punishable, can also be warned for a fee and must pay damages (§ 97 UrhG).

© 2019 Stefan K. (aka 66er)

All rights reserved

I have just released the new V2.3 update script.

Modification:

simplified setup (completely at the beginning of the script)

Have fun with it.