I found a HAT for the Pi that can provide four USB that can be adapted to serial. 2 Button - This button is located below the TV screen. I think the reason I can send to my laptop is the RPI is then acting like a DCE device and not a DTE that can control my TV. 1 Intelligent sensor - Adjusts the image quality and brightness based on the surrounding environment.
You have to come off the GPIO pins with an FTDI adapter. I did some research and it looks like you can’t use a USB to serial adapter to create a full blown RS232 port.
Just wondering if there is an issue because the onscreen keyboard disappears when touched. Maybe an issue with the RPI keyboard being British, will try now that I fixed that. I don’t know if it is a signal level issue or what. When I research using a USB to serial from RPI I only find coming off the IO pins to serial. That works from nymea trigger input to ht when I press ok but it still won’t work to turn off the TV. I can use ht to turn off my TV using ka 01 00 and then enter from keyboard. I have tested sending strings to hyper terminal (ht) on my laptop and can get them thru. Contribute to Segrel/lg-controller development by creating an account on GitHub. I saw where someone else had that issue and believe a fix was made but can’t find that thread again.
In any case when trying to use the keyboard to enter a trigger it closes the keyboard. Press and hold the Settings button (looks like a gear) on the TVs IR remote until the channel number is displayed on the TV then release the settings button. In case you cannot get to the hidden menu, or the hidden menu does not contain the option 'Port Check Test', please try the Factory Reset on the phone.I fixed the British keyboard issue, I thought the little globe key was web browser. (substituted with the numbers in your model's name, for example 3845#* # will be 3845#*505# for LG-D505) It is usually in the top menu or in the 'SVC Menu' submenu. Find the option 'Port Check Test', and set it to 'Enabled'. If the code works a hidden menu will appear. Dial in the following codes onto your phone (without pressing call).Alexa, change to channel 303 on bedroom TV. On the screen of the LG Andriod phone, select the USB connection mode 'LG software'. Below are some examples of Alexa commands that can be used with your Samsung TV.Connect the LG Andriod phone to the PC with a normal USB cable.
Unlock the screen of the LG Andriod phone.How to enable the LG Diagnostic Serial port: This is also vital for the 'Development Support', so that we can in turn support new models for you. If this is not enabled you will get an error during the procedure saying 'Diag port unavailable'. For some functions (for example Imei Repair or Network Factory Reset) you will need to enable the Diagnostic Serial Port.
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