@yvertman , sorry to hear that. Can you change log level on esphome yaml file to VERBOSE and send me a log file of the board. It would be ideal if you could turn the system on and off from the remote control, change temp or fan speed, say I can see what’s going on. 2 minutes of logs or less would be enough
Miquel
Actually, what were the error messages that you saw initially? I just realised I introduced a bug in the code a couple of days ago that prevented all commands to be sent. It should now be fixed.
What was your issue? Did the status show on ha?
Thanks a lot for giving me a hand. Here is the YAML for my configuration, and here is the log in VERBOSE mode for a few moments while I was operating the wired remote controller.
https://sharetext.io/bszhrv43
https://sharetext.io/4bfrj3ge
Status appear OFF on HA and can’t change to ON (it switch for a few seconds and turn OFF again ; creates ACK errors in log).
Best regards,
Julien
Hi again, just a quick one: did you use my board as designed? I can see that you invert the UART pins, unless you have made some modifications in the design, the pins should not be inverted and will prevent the system from working properly.
Miquel
Hi,
I use the same board, chatGPT helped with the YAML code …
Here is the new YAML : https://sharetext.io/huy3it34
Here is the new VERBOSE : https://sharetext.io/bdi04hma
Best regards.
Julien
Please continue the conversation in github issue https://github.com/makusets/esphome-toshiba-ab/issues/23, makes it easy for me.
Hi Julien and Miquel,
does anybody still have a Board, that he could sell to me? I am interested, sited in Germany.
You could contact me here or mail me via:
thx!
Hi Karsten, I don’t have any more boards left; however, I have just ordered some more today with an improved design. I will post details soon on the project github. I should be able to send you one when I get them.
Miquel
Hi Miquel, I was wondering if you had success with your improved design and if you had any spare I could buy from you? my A/C has a TCB - SC642TLE2 main panel I hope to control. Thank you in advance.
Hi Dominic, yes the new design seems to work very well with the compatible systems. Given your system remote, looks like it should be fully compatible with the TCC link protocol. Have a look for explanation on the repo.
I can send you a complete populated board for $50 (Australian) or 30 euro, including shipping. Just need your details, including email and phone for postage tracking. And I could send you a PayPal request or give you an IBAN, depends where you are.
Miquel
Hi! Just a heads-up - I opened issue #73 on your esphome-toshiba-ab repo with detailed logs.
Board: v3.2, AC: RAV-SM802BT-E, wall remote: RBC-AMT32E.
Symptom: read works perfectly, but every write (0x11 - temp, power, mode) gets no ACK from master after 5 retries. Tested with autonomous: true and wall remote disconnected - master still ignores our frames (20+
announces, zero ACKs). Source patched to 0x41 and flash_mode: dout both tried, no change.
Looks like the bus drive-strength thing. Could you take a look when you get a moment? Link: Write commands never ACKed by master on v3.2 board with RAV-SM802BT-E + RBC-AMT32E (read works perfectly) · Issue #73 · makusets/esphome-toshiba-ab · GitHub
Thanks!
Hi Muskestes
I Have Toshiba Estia (model HWT-1101H8W-E) and I would like to fully integrate it in HA.
Is you board compatible with estia? Do you have some board for sale? If so, pls contact me via mail ([email protected])
Hi, have a look at the repo, the board is compatible with ESTIA heat pumps but has not been tested in all models. I believe yours should be compatible with the new code upgrade. The hardware should be compatible regardless, as long as you have an AB line connection. The protocol might need some upgrades if your model has different options. I would be happy to help with that.
I do have some boards left, and you could have one for 35 Euros including shipping to CZ. Just let me know if you are interested.
What wall remote do you use? How are you commanding the heat pump at the moment?
Miquel
Hi Miquel,
I'd like to test this on my Toshiba RAV-RM801KRTP-E.
Do you still have any finished circuit boards for sale?
Thanks in advance
Hi Martin, yes, still have some boards left, where are you located? I should be able to get you a complete board shipped for 35 Euro all up or 50 AUD if you are down here.
I'm from Austria / Europe and pretty new to this.
One more question about this...
The board is basically done—I just need to flash it, connect it to the Toshiba RAV-RM801KRTP-E, and it should work, right?
Hi Martin, yeah, the board would be complete and it would have the firmware flashed, which you can then update via OTA. If you have a system with AB connection (sounds like you do) it should work once you connect it. Given your model number, it seems you would use the standard TCC-Link protocol.
Is yours a 4-way cassette model? Do you use a RBC-AMT32E wall remote?
Hi @makusets,
I came across your project while looking for a way to integrate my Toshiba Mini SMMSe VRF system into Loxone. My setup consists of two MMU-UP0301HP-E indoor units connected to an MCY-MHP0604HS8-E outdoor unit, controlled via an RBC-AMS55E wired remote.
I would love to try your board! I am based in Switzerland (Europe), so shipping should be no problem. Would you still be able to send me one assembled board for €30 as mentioned in this thread?
Thanks a lot for the great work on this project!
Best regards
Hi @loxonesmarthome, yeah I still have some board if you want one. Just send me your address, email and a phone number and I will send you a board. I can send you a paypal request if that works for you.
Please note that there are some variations of toshiba communication protocols. Given your setup, your system will probably be using a compatible (decoded) version, the tcc-link. If it uses the tu2c protocol, implementation is not yet ready.
Hi @makusets
First of all, thank you for the great work on the Toshiba AB ESPHome project. It looks like exactly what I've been searching for.
I have a Toshiba installation consisting of:
The controller is connected via the standard A/B bus.
I would like to integrate this system with Home Assistant using your project. Unfortunately, I don't have the equipment or experience to assemble the custom PCB myself.
Would it be possible to purchase one fully assembled board from you (or through any recommended source)? I'm located in Europe and only need a single board for one HVAC system.
Thank you again for sharing your work with the community and for making Toshiba integration finally possible without expensive commercial gateways.
Best regards,
Tomas