Temperature & Humidity Sensor compatible with RFXCOM/Domoticz
Moderator: leecollings
-
- Posts: 78
- Joined: Wednesday 30 September 2015 19:33
- Target OS: Linux
- Domoticz version:
- Contact:
Temperature & Humidity Sensor compatible with RFXCOM/Domoticz
Hi,
I am looking for a cheap(£10 or lesser) temperature & humidity sensor compatible with RFXCOM/Domoticz.
Any suggestions?
thanks!
I am looking for a cheap(£10 or lesser) temperature & humidity sensor compatible with RFXCOM/Domoticz.
Any suggestions?
thanks!
-
- Posts: 267
- Joined: Tuesday 14 January 2014 14:50
- Target OS: Raspberry Pi / ODroid
- Domoticz version:
- Contact:
Re: Temperature & Humidity Sensor compatible with RFXCOM/Domoticz
Have you searched here http://www.domoticz.com/forum/viewforum.php?f=12
Running Domoticz on Pi3 with RFXtrx433e. LWRF power sockets and dimmer switches. Integrated my existing wirefree alarm PIRs and door contacts with domoticz. Geofencing with Pilot. Harmony Hub. Tado for Heating. Now playing with mysensors.
-
- Posts: 78
- Joined: Wednesday 30 September 2015 19:33
- Target OS: Linux
- Domoticz version:
- Contact:
Re: Temperature & Humidity Sensor compatible with RFXCOM/Domoticz
Thanks markk.
I found Cresta TX-320 mentioned in http://www.domoticz.com/forum/viewtopic ... 12&t=10417
I found Cresta TX-320 mentioned in http://www.domoticz.com/forum/viewtopic ... 12&t=10417
-
- Posts: 78
- Joined: Wednesday 30 September 2015 19:33
- Target OS: Linux
- Domoticz version:
- Contact:
Re: Temperature & Humidity Sensor compatible with RFXCOM/Domoticz
Cresta TX-320 doesn't seem to be available in the UK. Shipment costs from Netherlands, seems to cost euro 19.
I am back to square one, not being to find a cheap Temp/Hum sensor under £10
I am back to square one, not being to find a cheap Temp/Hum sensor under £10
- Westcott
- Posts: 423
- Joined: Tuesday 09 December 2014 17:04
- Target OS: Raspberry Pi / ODroid
- Domoticz version: Beta
- Location: UK - Glos
- Contact:
Re: Temperature & Humidity Sensor compatible with RFXCOM/Domoticz
I got one from Banggood - it worked straight away with RFXtrx
http://www.banggood.com/433MHz-Wireless ... 8820141020
http://www.banggood.com/433MHz-Wireless ... 8820141020
Zwave - Sigma Z+ stick, Fibaro, Horstmann, Neo Coolcam, EUROtronic
RFlink - IR detectors and temperatures
Wifi - YeeLights, ESP32s, Anoop sockets
Zigbee - lots with zigbee2mqtt and ZbBridge
RFlink - IR detectors and temperatures
Wifi - YeeLights, ESP32s, Anoop sockets
Zigbee - lots with zigbee2mqtt and ZbBridge
-
- Posts: 78
- Joined: Wednesday 30 September 2015 19:33
- Target OS: Linux
- Domoticz version:
- Contact:
Re: Temperature & Humidity Sensor compatible with RFXCOM/Domoticz
Super! thanks a lot Westcott!
Ordered two of them!
Ordered two of them!
-
- Posts: 329
- Joined: Tuesday 16 July 2013 22:54
- Target OS: Raspberry Pi / ODroid
- Domoticz version: 3.8807
- Location: North East England
- Contact:
Re: Temperature & Humidity Sensor compatible with RFXCOM/Domoticz
Looks good, one question - do they have fixed ids or does it change each time you replace the batteries?Westcott wrote:I got one from Banggood - it worked straight away with RFXtrx
http://www.banggood.com/433MHz-Wireless ... 8820141020
I have 4 LaCrosse temperature / humidity sensors, which are great apart from resetting their ids each time the batteries are replaced meaning they are recognised as new devices in Domoticz each time the battery is replaced, meaning a old temperature sensor in Domoticz has be replaced by new device without loosing log and then renamed to original name so that scripts keep running

Other challenge is physics, the sensor I have outside needs its battery changing about every 4 weeks, whereas the sensor in the roof space lasts for about 1 year. I guess outside temperature changes very frequently so it transmits tempeartures far more often, hence running down the battery rapidly -

Raspberry Pi 2 B - 2A@5V PSU - Raspbian + Domoticz + RFXtrx(89), LightwaveRF House(dimmers, sockets, wireless/mood switches), Owl CM113, 4 LaCross Temp / Humidity Sensors, 4 Siemens PIR, Smappee, Solaredge, ESP8266
- Westcott
- Posts: 423
- Joined: Tuesday 09 December 2014 17:04
- Target OS: Raspberry Pi / ODroid
- Domoticz version: Beta
- Location: UK - Glos
- Contact:
Re: Temperature & Humidity Sensor compatible with RFXCOM/Domoticz
I guess it's fixed. I would test it for you, but the case is well screwed together.
It reports every 34 secs.
I've had it for 6 weeks, the battery is still reporting 100%
It reports every 34 secs.
I've had it for 6 weeks, the battery is still reporting 100%
Zwave - Sigma Z+ stick, Fibaro, Horstmann, Neo Coolcam, EUROtronic
RFlink - IR detectors and temperatures
Wifi - YeeLights, ESP32s, Anoop sockets
Zigbee - lots with zigbee2mqtt and ZbBridge
RFlink - IR detectors and temperatures
Wifi - YeeLights, ESP32s, Anoop sockets
Zigbee - lots with zigbee2mqtt and ZbBridge
- LouiS22
- Posts: 433
- Joined: Friday 27 February 2015 13:21
- Target OS: Raspberry Pi / ODroid
- Domoticz version: beta
- Location: Budapest, Hungary
- Contact:
Re: Temperature & Humidity Sensor compatible with RFXCOM/Domoticz
You know that you can simply replace the new device with the old one and keeping the logs as well? How? Read the manual, http://www.domoticz.com/DomoticzManual.pdf, it's on page 20.simonrg wrote:Looks good, one question - do they have fixed ids or does it change each time you replace the batteries?Westcott wrote:I got one from Banggood - it worked straight away with RFXtrx
http://www.banggood.com/433MHz-Wireless ... 8820141020
I have 4 LaCrosse temperature / humidity sensors, which are great apart from resetting their ids each time the batteries are replaced meaning they are recognised as new devices in Domoticz each time the battery is replaced, meaning a old temperature sensor in Domoticz has be replaced by new device without loosing log and then renamed to original name so that scripts keep running![]()
Other challenge is physics, the sensor I have outside needs its battery changing about every 4 weeks, whereas the sensor in the roof space lasts for about 1 year. I guess outside temperature changes very frequently so it transmits tempeartures far more often, hence running down the battery rapidly -. And as I use rechargeable batteries they report as 100% and then suddenly fail.
Also, these "cheap" sensors don't submit their battery levels. Guess you're expecting too much for that price

One more thing: you didn't specified but my guess is that your batteries are 1.2V ones, while the specs are for 1.5V. That would explain the sudden drop, as they're falling below the minimum expected V value.
-
- Posts: 329
- Joined: Tuesday 16 July 2013 22:54
- Target OS: Raspberry Pi / ODroid
- Domoticz version: 3.8807
- Location: North East England
- Contact:
Re: Temperature & Humidity Sensor compatible with RFXCOM/Domoticz
Thanks, I do just replace the old device with the new one, but it isn't a one step process unless I am missing something - I go to Settings / Accept New Devices for 5 Minutes, then Devices find the new sensor click the green arrow give the new device a dummy name, then Temperature page replace Old device with new device, then rename new device to old device name. Not difficult but not exactly smooth, hence keeping same id would be a real plus.LouiS22 wrote:You know that you can simply replace the new device with the old one and keeping the logs as well? How? Read the manual, http://www.domoticz.com/DomoticzManual.pdf, it's on page 20.
Also, these "cheap" sensors don't submit their battery levels. Guess you're expecting too much for that price
One more thing: you didn't specified but my guess is that your batteries are 1.2V ones, while the specs are for 1.5V. That would explain the sudden drop, as they're falling below the minimum expected V value.
In terms of batteries, as you say I am hoping for too much for the price.
Raspberry Pi 2 B - 2A@5V PSU - Raspbian + Domoticz + RFXtrx(89), LightwaveRF House(dimmers, sockets, wireless/mood switches), Owl CM113, 4 LaCross Temp / Humidity Sensors, 4 Siemens PIR, Smappee, Solaredge, ESP8266
-
- Posts: 329
- Joined: Tuesday 16 July 2013 22:54
- Target OS: Raspberry Pi / ODroid
- Domoticz version: 3.8807
- Location: North East England
- Contact:
Re: Temperature & Humidity Sensor compatible with RFXCOM/Domoticz
Just stumbled across a thread on the forum, that seems to say these sensors are of limted use as the temperature drifts - http://domoticz.com/forum/viewtopic.php ... 3&start=20.Westcott wrote:I got one from Banggood - it worked straight away with RFXtrx
http://www.banggood.com/433MHz-Wireless ... 8820141020
Raspberry Pi 2 B - 2A@5V PSU - Raspbian + Domoticz + RFXtrx(89), LightwaveRF House(dimmers, sockets, wireless/mood switches), Owl CM113, 4 LaCross Temp / Humidity Sensors, 4 Siemens PIR, Smappee, Solaredge, ESP8266
- Westcott
- Posts: 423
- Joined: Tuesday 09 December 2014 17:04
- Target OS: Raspberry Pi / ODroid
- Domoticz version: Beta
- Location: UK - Glos
- Contact:
Re: Temperature & Humidity Sensor compatible with RFXCOM/Domoticz
To be fair, the later posts in that thread seem to say that they are OK
Zwave - Sigma Z+ stick, Fibaro, Horstmann, Neo Coolcam, EUROtronic
RFlink - IR detectors and temperatures
Wifi - YeeLights, ESP32s, Anoop sockets
Zigbee - lots with zigbee2mqtt and ZbBridge
RFlink - IR detectors and temperatures
Wifi - YeeLights, ESP32s, Anoop sockets
Zigbee - lots with zigbee2mqtt and ZbBridge
- LouiS22
- Posts: 433
- Joined: Friday 27 February 2015 13:21
- Target OS: Raspberry Pi / ODroid
- Domoticz version: beta
- Location: Budapest, Hungary
- Contact:
Re: Temperature & Humidity Sensor compatible with RFXCOM/Domoticz
One more observation: I have three Crestas (I know, they're above the budget), but they're battery friendlies. Have them more than a year, reading is in every minute or so, and they're still with their original batteries (1.5V ones).
- LouiS22
- Posts: 433
- Joined: Friday 27 February 2015 13:21
- Target OS: Raspberry Pi / ODroid
- Domoticz version: beta
- Location: Budapest, Hungary
- Contact:
Re: Temperature & Humidity Sensor compatible with RFXCOM/Domoticz
It's not that big deal, and if you're using 1.5V ones, you don't have to repeat the process that often.simonrg wrote:Thanks, I do just replace the old device with the new one, but it isn't a one step process unless I am missing something - I go to Settings / Accept New Devices for 5 Minutes, then Devices find the new sensor click the green arrow give the new device a dummy name, then Temperature page replace Old device with new device, then rename new device to old device name. Not difficult but not exactly smooth, hence keeping same id would be a real plus.LouiS22 wrote:You know that you can simply replace the new device with the old one and keeping the logs as well? How? Read the manual, http://www.domoticz.com/DomoticzManual.pdf, it's on page 20.
Also, these "cheap" sensors don't submit their battery levels. Guess you're expecting too much for that price
One more thing: you didn't specified but my guess is that your batteries are 1.2V ones, while the specs are for 1.5V. That would explain the sudden drop, as they're falling below the minimum expected V value.
In terms of batteries, as you say I am hoping for too much for the price.
-
- Posts: 32
- Joined: Friday 29 January 2016 15:27
- Target OS: Raspberry Pi / ODroid
- Domoticz version:
- Contact:
Re: Temperature & Humidity Sensor compatible with RFXCOM/Domoticz
I just ordered http://www.amazon.co.uk/gp/product/B019I9XYGA
I have no idea if it will work, but it's in stock via amazon uk -- so returns are easy. I don't need the wireless station (I may or may not keep), but the sensor can be ordered standalone, just not via amazon yet. I wanted an easy to return unit so I could figure out what might work.
I suspect the oregon/TFA/Bressel ones would work OOTB
Interesting to see the banggood ones work fine.
I'll report back, probably tomorrow.
I have no idea if it will work, but it's in stock via amazon uk -- so returns are easy. I don't need the wireless station (I may or may not keep), but the sensor can be ordered standalone, just not via amazon yet. I wanted an easy to return unit so I could figure out what might work.
I suspect the oregon/TFA/Bressel ones would work OOTB
Interesting to see the banggood ones work fine.
I'll report back, probably tomorrow.
-
- Posts: 78
- Joined: Wednesday 30 September 2015 19:33
- Target OS: Linux
- Domoticz version:
- Contact:
Re: Temperature & Humidity Sensor compatible with RFXCOM/Domoticz
@planetf1 - thanks, will look forward to your report tomorrow.
-
- Posts: 32
- Joined: Friday 29 January 2016 15:27
- Target OS: Raspberry Pi / ODroid
- Domoticz version:
- Contact:
Re: Temperature & Humidity Sensor compatible with RFXCOM/Domoticz
@kman - sorry it's a no go. I'm going to see how people report the battery life of the banggood sensor which is know to work for £7 albeit delivery from china, else I may just get a TFA or oregon
The rfx picked up no new device either within domoticz or when moved across to windows/rfxmngr.. Tried all 3 channels, and forced transmit on the sensor (test button). I also had undecoded message reporting enabled on the rfxtrx433e ...
The rfx picked up no new device either within domoticz or when moved across to windows/rfxmngr.. Tried all 3 channels, and forced transmit on the sensor (test button). I also had undecoded message reporting enabled on the rfxtrx433e ...
-
- Posts: 32
- Joined: Friday 29 January 2016 15:27
- Target OS: Raspberry Pi / ODroid
- Domoticz version:
- Contact:
Re: Temperature & Humidity Sensor compatible with RFXCOM/Domoticz
I've decided to order the banggood one. It's perhaps a 1/3 of the cost of any known good working ones (oregon/tfa) from the docs/amazon so worth a shot, especially as I may need a couple more... so it's a case of waiting for delivery now!
Re: Temperature & Humidity Sensor compatible with RFXCOM/Domoticz
Have you tried to integrate RTL_433 (https://github.com/merbanan/rtl_433) ?
I'm using it to receive information from a weather station that is not supported by RFXTRX and submit it to Domoticz via MQTT.
This is a cheap solution if you only need to receive data.
I'm using it to receive information from a weather station that is not supported by RFXTRX and submit it to Domoticz via MQTT.
This is a cheap solution if you only need to receive data.
-
- Posts: 329
- Joined: Tuesday 16 July 2013 22:54
- Target OS: Raspberry Pi / ODroid
- Domoticz version: 3.8807
- Location: North East England
- Contact:
Re: Temperature & Humidity Sensor compatible with RFXCOM/Domoticz
5 minutes with http://www.esp8266.nu/index.php/HumiditySensor
ESPeasy firmware is really easy - just burn the firmware - connect up my DHT22 temp / humdity sensor, create dummy temp /hum sensor in Domoticz, configure ESPeasy web interface on my Wemos D1 Mini and magically data starts being sent to Domoticz - a £8 temperature / humidity sensor. Using a cheaper version of the ESP8266 and DHT11, you could get the price below £5 and buying from China direct about £2.50. You would have to factor in some sort of case / power supply.
ESPeasy firmware is really easy - just burn the firmware - connect up my DHT22 temp / humdity sensor, create dummy temp /hum sensor in Domoticz, configure ESPeasy web interface on my Wemos D1 Mini and magically data starts being sent to Domoticz - a £8 temperature / humidity sensor. Using a cheaper version of the ESP8266 and DHT11, you could get the price below £5 and buying from China direct about £2.50. You would have to factor in some sort of case / power supply.
Raspberry Pi 2 B - 2A@5V PSU - Raspbian + Domoticz + RFXtrx(89), LightwaveRF House(dimmers, sockets, wireless/mood switches), Owl CM113, 4 LaCross Temp / Humidity Sensors, 4 Siemens PIR, Smappee, Solaredge, ESP8266
Who is online
Users browsing this forum: No registered users and 0 guests