Monitor Equipment Temps with the Dallas Temp Sensors, ESPHome, Home Assistant and Grafana

Good video :) Thanks

I find this really intriguing and looks like something I'd like to get into. But I have a really basic question. How do you power all of these little devices scattered all around your house and yard. It would make sense if they were battery powered. Do these all plug into your homes electrical system?

Thanks for this video finally got a pair of sensors working on an ESP32, just need to rig them to the fridge and freezer now without the door seals getting in the way.
Took a lot of messing to get the timing interval sorted out but working now.

FYI it is sold - er - ing NOT SODERING the L is not silent

Thank you, thank you, thank you!!! Really appreciate all your work... this is actually what I was looking for to monitor my hot water heater temp. One thing you might want to mention, if you are having problems connecting to your esp device to upload your code, check your cable. It may be a charging cable and not support transmitting data. Quick question if I may, how many temp probes can you connect to one data line? If you connect more that two, do you need to change the resistor? Thank you again for doing this!!

can you please explain to me how you can have data wires tied together and in the same data pin and get 2 different temps on the browser display? thanks great video

Never realized you were a ham. Looks like an Allstar Node.

Hello Chris! If I will use multiple Dallas Temp Sensor with different cable length, should I use different IO pins and different resistor values? I will have cables ranging from 1 meter to 5 meters...

Actually it doesn't work like described here. Now it demands in settings encryption key. This is generally a major issue for me with HA. You have little or no experience and eventually find some tutorial about whatever you want to do. By my experience there is about 80% chance that those tutorials are wrong bcs HA has already something depreciated or added. Actually I have so far had NEVER found any HA tutorial that was 100% correct.

Do you have a 3d printable enclosure for the D1 board?

Perfect exactly what I was looking for

Chris, great video. What are you using the Truck BLE Transmitter in your esp home to do?

thanks for the tutorial. what software you are using? windows ubuntu debian - is it matter if i use windows 10?

Is it bad if I don’t use the resistor? What could happen?

what distance will the esp8266 drive to the dallas sensor using 16AWG? 20AWG? 24AWG? 10 ft? 100 ft? 1000 ft?

Brilliant video this is going to be my first use of an esp board or anything like this, just a question how do you know that the temp sensors are compatible, what do you look for and you use D2 which is GIOP4......how do you determine which output pin you use? Thanks

Chris, thanks for the great videos! I'm new to home assistant and liked this video about adding the Dallas Temp Sensors to my HA setup. I've followed your setup instructions, but when I go to configure the new device in HA, I'm prompted with the message: "Please enter the encryption key you set in your configuration...". I don't recall any encryption configuration during the setup. I've even uninstalled and re-installed ESPHome and re-ran the installation process but the same "Encryption key" prompt is displayed every time. Can you tell me how to get passed this message? Thanks for another awesome video tutorial! Keep up the great work.

Why do I get this message?: Please enter the encryption key you set in your configuration for fridge-monitor..... I didn't do that!

Thanks Chris! It has inspired me to start my first ESPHome project. Thinking of trying it on an ESP32 as I'd like to make use of bluetooth for some Xiaomi BLE sensors.... will config be more or less the same?

Out of idle curiosity (I really should be working) what is the maximum number of dallas sensors you can wire like this? Is it two? If not what dictates the limit?

Hey. Do you have any more detail on that "drop resister"? Do we need that for other sensors like DHT 22 that only have 1 data wire? What exactly is it for? Thanks

Great video Chris - this is the first electronics project I have built in many years and in the process have remembered how much hot soldering irons and fingers don't get on :)

Liked and subscribed!

Just had some sensors and resistors arrive this morning, seeing this gave me the confidence (as a new HA user) to try it out. Think this will be perfect for monitoring my fridge and freezer temperatures. Thanks so much.

Chris you created a monster! I added another board with 3 temperature sensors on it. It works flawlessly, now I can see my Attic temp, Garage temp, and outside temps. I extended one of the sensor cables about 25 feet using thermostat wire and there is no real difference in temps when probes are right next to each other before I put them in place. Thanks again for doing these videos!

You are the best ever! Super clear directions are very easy to follow. They gave me the confidence to attempt this exact project to monitor a couple of freezers. Being new to the home assistant world your videos are fantastic. Some of your little thrown in hints put the rest of the big picture together for us beginners. I made some mistakes and easily backtracked to get it working. I had everything set up properly, but my router/switch wouldn't always allow it to work on its wifi . After several days of fighting with it, I moved my Home Assistant on the Raspberry PI to the network cable feeding my Google wifi and just like that everything now works flawlessly! Just sent you a couple of cups of coffee! Thanks Ed Mc

Chris, good video. ah, ah, ah ... and I appreciate your demonstration showing how to get each of the dallas address' and adding them to the YAML file. More clear explanation on how they act as a bus device could help others understand this. It would be great to see more examples configuring HA through the YAML. I think there are plenty of soldering video's out there already.

How exact does the resistance 4.7k needs to be? I have a 5.1k ohms, would it affect the Temperature reading?

Thanks for the video! I'm doing something similar myself so this was very insightful!

i keep erroring out before it finishes installing any thoughts, i can show the error message

Awesome thanks!

I tough you will include in the video after install them in the attic what are the readings, but now I remember is not hot enough for test it, could you make another video afterwards?? Thanks

Very useful video thank you! One thing you didn't mention (or maybe I missed or you've covered it elsewhere) is how you are powering the ESP8266 board? - via battery or mains adaptor? I've currently got a few of the dsb1820 sensors hardwired into a couple of pi's but am now looking to run a home assistant server and extend the number of temp sensors etc into places where mains power is not feasible and I don't want to run long cables...

I build "Toys" for grown ups (sort of ;-) ), what would you recommend as an OS to monitor numerous sensors yet not require the web, since they will be "roughing it", off grid and offline for a week or so? I like the ESP devices, and STMicro's products too. Being able to mesh with their phones, tablets, etc. is the goal. 3 different power systems and battery banks come together to mesh into 1200 amp hrs of 12.8 volts of LiFePo4 power with a 270 amp aux. alternator that has LiFePo4 capable regulator and temp sensor on the alternator. While complicated is my middle name, most people are Mickey D's rated and a simple menu driven HMI makes them happy. So there are 5 Dallas sensors, two with the water tanks and the other 3 monitoring the batteries to protect from low temp charging. 5 current sensors, 3 200 amp, and 2 500 amp shunts. One 500 amp shunt monitors the charge current and the other the Inverter drain current. There are 5 heating pads to help, but managing power in tough weather takes a watchful eye.
A new subscriber, maybe I will find my answer scouring your home page. Thanks for the post.

This is going to be one of my first electronics projects to help expand my Home Assistant footprint into my aquarium rack & indoor ponds. Thanks for a great tutorial!

The DS18B20 has always been one of my favourites ! Great video !

Does anyone know how many of these sensors the 8266 can handle? I have three freezers in one location I'd like to monitor.

Thank you man! Cool! I was looking exactly it because I did with one analogic NTC sensor and I needed of two sensors for measuring swimming pool and heat temperatures

Thx for this brillant video.

Chris, do you know of a temperature sensor with home assistant integration that will measure the surface temperature of my wood stove? I was thinking of sitting it on the top of the stove. I want to be notified if it’s gets too hot. Thanks!

Good idea to make a video about this. I did the same thing 6 months ago to measure the temperature of my pond and the outdoor temperature. These Dallas sensors are waterproof so I could just put it in the pond without problem. They work over very long distances. I have about 30 meters of Ethernet cable between my Dallas sensor and my Esp8266

Frozenist 🤣

Great Video Chris. Have you considered using the Shelly UNI, it can support 3xDS18B20 temperature sensors and costs about $15.

Super video! 👍

Nice..

Thanks. Built this based on your recommendation on one of your live stream. working flawlessly inside my freezer

I found they wasn't very stale so I used a filter and over sample it , before I could monitor the temperature reliably.

Do you only need the resistor if you have multiple data lines?

So nicely detailed video. 👌 Really appreciate this video. 🙏 big thanks. Now it's time to order these Dallas sensors.

Nice detailed video. Thanks for it!

Frozenest.... LOL...