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This video shows How to check a 2 port zone valve is working using the lever to feel the whether it is manually open by feeling the tension of the spring.
At this point, if you reboot, system video will be sent to the 3.5" LCD (if attached) - the HDMI port will not work. No worries though - your SSH session "look" will not change. NOTE: To re-enable the HDMI port, you can edit the config.txt file using the following command:
A failed Synchron valve motor will prevent a 2-port motorised valve from working. The valve won’t be driven open and the end switch will not be made (connected) so power will not be sent on to the boiler or pump.
Build your own working Simpsons TV with this guide! The guide provides sty files for 3d printing and everything you need to know to setup your Raspberry Pi Work
I think 2.8 inch is the sweet spot for the novelty and adding hdmi out and maybe a usb port on the case to allow bigger screen use. That's currently my plan. Still waiting for the parts while encoding videos and fixing the design and code
Im using a 3.5inch waveshare DPI, and have installed the drivers and overlays as specified from the waveshare wiki. everything seems to be working ok in terms of the code etc, but when the player.py code is executed the video starts to play with a red tint/overlay. The raspberry pi boots up normal but its just the video
7 Σεπ 2021 · Pretty certain the problem is with the three port valve. With the electricity off, I've removed the head and taken a video to show what happens internally when I move the lever. As you'll see, it slips and clunks.
