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Tapo D235 and Byron 776 Chime (with Transformer)

ritchie1

Yesterday - last edited Yesterday

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Registered: 2020-05-30

Tapo D235 and Byron 776 Chime (with Transformer)

Yesterday - last edited Yesterday

Tags: #Firmware #ONVIF/RTSP #Installation

Model: Tapo D235

Hardware Version: V1

Firmware Version: 1.1.14

I've bought the Tapo D235 for the purpose of having a doorbell that I can use the camera feed as a cctv camera and store the recordings on a NAS. After reading that with the firmware update ONVIF/RTSP is now supported (v1.1.14 upwards) - I bought it.

However, ONVIF/RTSP only functions with the always-on mode (which I knew), which requires power (which I have). I can get the doorbell to be powered by the transformer built in to my chime, but cannot enable the always-on mode. As I understand it, this requires the use of the jumper cable (supplied). When I use the jumper cable to connect/short the 2 connections where the doorbell wire attach, the chime/solenoid will constantly engage and buzz, and then the Tapo app will complain it isn't wired correctly.

Can anyone suggest how to get this to work please?

Byron 776 Chime with transformer PDF manual:

byron 776 manual

(The transformer is meant to provide 8V AC 1Amp according to the documentation, but I get 16V AC across pins 0 and 2).

2 Reply

Wayne-TP

10 hours ago - last edited 10 hours ago

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Re:Tapo D235 and Byron 776 Chime (with Transformer)

10 hours ago - last edited 10 hours ago

@ritchie1

Just google this model and find some information on Byron's website, this model's built-in transformer can only provide output of 8V 1A AC, it does not support doorbells that require higher voltage.

https://support.chbyron.eu/en/support/solutions/articles/19000103924-using-the-776-with-ring-nest-or-other-wifi-doorbells

You can try using another qualified transformer to install with the D235, check if similar issue still exists.

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ritchie1

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5 hours ago - last edited 4 hours ago

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Re:Tapo D235 and Byron 776 Chime (with Transformer)

5 hours ago - last edited 4 hours ago

@Wayne-TP

Hi, thanks for the reply. I'll be honest, I'm utterly confused with this set up, but because I actually got it working.

You are right, the transformer is rated as 8V AC 1A in the documentation as I noted, but I was getting 16V AC when I measured. The D235 is rated to accept 8-24v AC so the voltage isn't the problem but at 1A it will be below the 10VA minimum required. I hooked it up yesterday anyway, even though my testing the day before showed it wouldn't work as I wanted.

I don't know why, maybe I got the D235 in a weird state of settings during my testing, but when I hooked it up it worked fine. It is powered by the wires/transformer without the jumper installed and always-on mode is enabled with the ONVIF/RTSP stream connected to my Synology Surveilence Centre. There isn't any buzzing from the chime/solenoid, but as expected, when using the always-on mode I have to use the wifi chime instead to replace it.

A mystery to why it is working in all honesty. At least for the moment.

Tapo D235 and Byron 776 Chime (with Transformer)

Tapo D235 and Byron 776 Chime (with Transformer)

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