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Better IoT: DIYing a Sonoff Wireless 433Mhz Bridge
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- Опубліковано 16 сер 2024
- Guide: tasmota.github...
Better IoT Playlist: • Level1Series: Building...
Ryan's video on software defined radio: • Terror At 433 MHz: DIY...
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Intro and Outro Music By: Kevin MacLeod (incompetech.com)
Licensed under Creative Commons: By Attribution 3.0 License
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Honestly, L1T NEEDS to make IoT the way it should be.
Allegedly “Thread” is supposed to do this. But it’s been delayed another year. It’ll be a consortium of standards for *secure* interop. I suspect it’ll be much more complicated than MQTT and Pub/Sub which is a bummer, but at the same time it’s probably needed. Fingers crossed it’s not a disaster. I think it’s been delayed another year again though you can pull up the current state
using it with tasmota for around 2 years and a great benefit is that most sensors are much cheaper than the fancy protocol ones. the range depends mostly on the sensors and thats the only negative thing i can see
A standard RfxCom USB transceiver works out of the box for all 433MHz devices. Using it for years with several home automation systems. It never failed me in all those years. Yes, it's a bit more expensive than a Sonoff, but it's just plug and play.
To all SDR USB Adapter user, this way you might get sent data from a remote or sensor. But the sonoff rf Bridge with tasmota is esphome you can send RF codes as well.
Did this a few months ago but switched to a cheap usb SDR with RTL_433 since it couldn't decode my lacrosse temp sensors or work with my wireless food thermometer. Have to say I like the 433mhz stuff though, cheap, low power, and very reliable in my experience.
And most sdr have a much wider listening range. For example mine is 25MHz - 1750MHz. I am listening at 900 MHz where my power meter operates so i can pull in my power usage.
Im sorry for my lack of understanding, but can i assume lacrosse in your context has nothing to do with a field or sports
@@Catsrules1 Yeah my food thermometer runs at a slightly different frequency too, rtl_433 is able to jump between both frequency's and read everything which is pretty neat.
raspberry pi with dvb-t antenna (via usb) and rtl433 does a lot with 433Mhz. besides other things, get the temp/humidity date from my TFA Sensors and my Pool Temperature Sensore :-D
I love how you waited with the 3.3 volt/ murder warning until the end 🤣.
In all seriousness I'm glad you mentioned it at all.
Another option (at least in Europe, no idea if it is sold in US) is the rfxcom USB transceivers for 433 mhz. I have a first gen 433trx hooked up to a raspberry pi. Still going strong after ~8 years. No limit on the number of devices it talks to, unlike the device covered in this video. Not quite as advanced as a software defined radio, but it can do some raw packet sending and receiving if I remember correctly.
It integrates nicely with domoticz (which is what I run), though these days home assistant seems more popular, and according to a quick search it should work with that too.
THIS. IS. SO. COOL!
I’m so excited to watch your past (and future) diy IOT videos now!
This was such an awesome video/topic!
Thank you!
I have been using this for a few years now (home assistant) with PIR sensors and touch remotes and switch remotes, but have recently migrated to esphome and the difference is amazing, I found with tasmota some sensors gave 2 codes so didn't work 100% of the time. The challenge with esphome was soldering that damned wire on to the chip. I have over 30 entities linked to it 👌👌
I' ve been waiting this series comeback for months!
My understanding was you can receive and send any 433 code based on mqtt connection. The limit of a specific number of rf codes is only in the tasmota web ui. But based on raw mode you can send any rf code.
It is advised that you have a Witch Doctor, Shaman, or clergy member familiar with exorcism on speed dial before starting any IoT projects. You have been warned.
0:00 For the face of Wendell when his IoT toys work as they should without any stranger taking control of them with a ransom for 'disabling' them
Damn, i wish this kind of stuff came with PoE instead of wifi and USB-power.
Actually, is have a lot of network socket spread over the house and I use in some locations PoE adapter to just get 5v from a network socket to power wifi/ ZigBee devices. So, you might have to prepare a wifi anyway, but you can use small PoE adapter to power any 5v/12v device.
433MHz is the same frequency of tire TPMS sensors, and those sensors transmit their unique ID number. So theoretically, you could track a specific vehicle around a city.
you could also use it to trigger scripts depedning on who gets on the driveway
Or play a specific song when your pressure gets low
@@Henk14789 there is only one song that can be used: ua-cam.com/video/9EcjWd-O4jI/v-deo.html
Wouldn’t this only work when their tire is low on air? Its off until its low then it turns on. If it was the other way around it would use a lot of battery
@@Ultrajamz you can send trigger signals to wake it up. That's how they are programmed.
I have a similar setup, however, I believe if you have it connected to an MQTT server, the 8 device limit doesn't apply (or at least I haven't hit it)
Level1Tech DIY IoT - Next L1T Oranga Soda!
Watching this like 10 times for the algorithm
I'm interested in a proper, secure home automation kit or at least a structure you can use to DIY everything else
I ordered a dev set of ESP32 to do learn more and test some IoT things :) I know, not the same but maybe in the ballpark?
Shelly Pro series uses esp32. Thats some smart switches/relays😎
When purchasing RF bridge, how can you tell if you are getting R2.1 or R2.2. It usually isn't specified in the listing.
Would be cool to see if this works with La Crosse Technology TX141TH-BCH Wireless Transmitting Temp/Humidity Sensors.
ESPHome on the RF Bridge is a major improvement over Tasmota IMO. Especially for motion sensors. It is at least 1-2s faster.
I guess this is because tasmota updates sensor data only every 5 min , and does not consider those information time critical. But you can change the update frequency to make tasmota react similar fast du ESPhome I think.
What would be the range of this bridge? I had the problem with RM4 that it only works within 2 meters.
Thank. So useful! I have a Sonoff RF bridge flashed with Tasmota, but am finding the receivng range (line of sight) somewhat disappointing. Can you make a guide on how the internal antenna could be upgraded to improve this please?
Wait... if you can put this at your basement for the water... can you put it in the basement and it will notify you if a kid ran away from the basement?
Water you talking about? Are you kidding me?
O_o
any way to install a bigger external antenna?
I think you're mistaken about the 8 device limit. I believe you're thinking of a limit on TX(transmission) which I believe is 16.
In raw mode it could listen but past 8 devices it was not forwarding events to the mosquito broker reliably. Could possibly have been a problem with the type of 433 devices I was testing though
@@Level1Techs I have a lot more then that working reliably. Any limit would likely be from devices interfering with each other.
Trying to count in my head.... 10 window sensors each with 2 codes. 1 mail sensor. 1 washer. 8 buttons. 20 devices shooting out 30 codes.
EDIT:. I forgot about an RF remote... That's at least another 8 RF codes.
I think the same. There is no such limit of 8 codes to read and send. some remotes doesn't send the rf code long enough. I found pressing longer the remote makes it more reliable for the bridge. But I am sure that is configurable.
@@0ChAnTi My understanding is it gets a little more complicated if you want to send more then the standard 16 codes the device can memorize. I had an interesting idea though. I believe it's possible to add an IR led to it and you should be able to do both RF and infrared. The RF bridge with Tasmota would then be more capable then the RM pro devices.
Does this work without internet?
I had Home Assistant for a while, I really prefer Openhab
I keep thinking I'd rather have a LAN of things than an Internet of Things. Would be a LoT better for privacy :P
after flashing it is completly local execpt if you (manually) let it search for updates
@@TheH3nn3 people could peep on your sensors with their own IoT 433Mhz receivers. Scary when you think about window sensors etc.
@@DerrickJolicoeur I don't really see that very critical. If you need to know if I'm home or not then there are better ways to find it out. But I wouldn't buy a 433 smart lock for my door ;)
This is outdated. Since latter 2021 it is only available the RFbridge R2 V2.2, that is almost impossible to hack and turn it useful! I just want to read and send a RF door command whenever necessary. But it doesn't recognize it, even if the 433 code isn't a rolling code! The sonoff RFbridge is just junk for me...
I think Sonoff gives 16 ports I am still baffeled how you use them with tasmota
he wears nice shirts
Remember to turn off yalls adblock for these people.
Are we going to see a video on Wi-Fi HaLow? ua-cam.com/video/Y_qmCR1so2c/v-deo.html
Great video, but I'm not a fan of Sh_IoT...
Have you received special high intensity training in the past?
Don't work
Security systems that don’t freq hop are useless
Any emission between 420 - 450 MHz would need a ham radio license. China garbage be damned.
i have my ham radio license and i transmit on 433HMZ or 70cm band