[evanft]

Here's my problem.

I have a JVC projector with multiple picture modes that I have set up for SDR/HDR and games/movies under USER1/2/3/4. I would like to switch the picture mode any time I change activities using my Harmony hub. Unfortunately, the Harmony hub does not appear capable of this since these settings cannot be changed with a single remote button press.

It appears, however, that the picture mode can be changed directly through the RS-232 and ethernet ports on the back of the unit.

Is there any product available that has an IR receiver that can convert IR commands to RS-232 or ethernet? If not, is this something that can be built with something like a Raspberry Pi and a IR receiver of some sort?

 

[AlienWarlock]

Since you mentioned Raspberry Pi... yes that is the solution. You would need a IR receiver connected to the gpio pins (a few $) and the configure LIRC on the PI by having it learn the particular IR commands from your remote that you want to trigger some action. Then it would just be a little bit of shell scripting to have button 1 call script A to set mode X on your projector. Either a serial or ethernet connection to the projector would work. Serial would require a USB to serial adapter and might be slightly more reliable than the ethernet connection.


The ir receiver: https://www.adafruit.com/product/157 (the only piece you need if you just want to receive IR)

The guide that I used to setup LIRC on the PI: http://alexba.in/blog/2013/01/06/setting-up-lirc-on-the-raspberrypi/

 

[Wendell R. Breland]

I have a JVC projector with multiple picture modes that I have set up for SDR/HDR and games/movies under USER1/2/3/4. I would like to switch the picture mode any time I change activities using my Harmony hub. Unfortunately, the Harmony hub does not appear capable of this since these settings cannot be changed with a single remote button press.

Do you have the discrete code set for the JVC? If not, ask your dealer for one or check the JVC site. Most likely that code set will have many commands not available on the factory remote. Someone else will have to help you get them into the Harmony.

Xantech used to make an IR to RS232 but I believe it has been discontinued. Search for Model IRS232A.

 

[evanft]

I was actually able to find a solution. An older projector, the RS500, has the picture mode commands available in the Harmony database. I added it to my setup and the commands worked for my RS520 without a hitch.

 

[markmon1]

I was actually able to find a solution. An older projector, the RS500, has the picture mode commands available in the Harmony database. I added it to my setup and the commands worked for my RS520 without a hitch.

All the JVC discrete codes are listed here:
https://www.convertthisfile.com/help/jvc-ip-control
and I have a button to an online app I wrote there to take any of those and output a pronto code to plug into your harmony software. All picture modes are accessible with a single IR press.

 

[evanft]

All the JVC discrete codes are listed here:
https://www.convertthisfile.com/help/jvc-ip-control
and I have a button to an online app I wrote there to take any of those and output a pronto code to plug into your harmony software. All picture modes are accessible with a single IR press.

Thanks. I could see this being very useful. My current solution is working really well, though inelegant since I have two projectors in my devices, with one only existing to change picture modes.

An issue I'm running into, however, is how long it takes the JVC to boot and get to a point where I can actually change the picture modes. From turning everything on to having control takes about 50 seconds. To account for this, I have to add a delay in my activities that waits 50s before changing the lens and picture modes. Unfortunately, this means that when I switch activities I have to wait 50s for settings to change even if everything is already turned on.

Is there a way around this?

 

[markmon1]

Thanks. I could see this being very useful. My current solution is working really well, though inelegant since I have two projectors in my devices, with one only existing to change picture modes.

An issue I'm running into, however, is how long it takes the JVC to boot and get to a point where I can actually change the picture modes. From turning everything on to having control takes about 50 seconds. To account for this, I have to add a delay in my activities that waits 50s before changing the lens and picture modes. Unfortunately, this means that when I switch activities I have to wait 50s for settings to change even if everything is already turned on.

Is there a way around this?

Cant you separate the power on activity from the other activities to avoid this long wait?

 

[evanft]

Cant you separate the power on activity from the other activities to avoid this long wait?

So basically have two sets of activities:

- Activities for power on/off from cold start. These could maintain the delay with the settings
- Activities ONLY for settings for when I want to switch if I've already got everything on.