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Quorten Blog 1

First blog for all Quorten's blog-like writings

Raspberry Pi notes.

Come on! Do I really have to buy an expensive video display if I want to have a Raspberry Pi like a standalone computer? Not so. I’ve got a handful of old laptops around that already have those expensive LCD panels inside of them. All I’ve got to do is connect them to the Raspberry Pi.

So, what is required for this? Basically, you have to buy an LCD controller board to connect to that LVDS interface already on the panel. These run for around $25, but they can be more expensive if you build your own from an FPGA. Make sure you get the right controller board for the monitor you have. Purportedly, those with VGA output are cheapest, so you’ll have to use that standard HDMI to VGA converter with your Raspberry Pi. Other than that, you should be able to reuse all the other parts. Unfortunately you’re going to have to reverse engineer many other details such as the pinout, the specifics of the LVDS data format, etc.

20180525/DuckDuckGo use laptop lvds display with raspberry pi
20180525/https://raspberrypi.stackexchange.com/questions/848/connect-pi-to-an-old-laptop-screen
20180525/https://www.ebay.in/itm/271008855606?ViewItem=&item=271008855606
20180525/https://elinux.org/RPi_Screens#DSI_port
20180525/https://www.raspberrypi.org/forums/viewtopic.php?f=7&t=2061#p39441
20180525/https://g3nius.org/lcd-controller/
20180525/https://www.cnx-software.com/2016/02/05/re-using-your-old-laptop-screen-with-raspberry-pi-or-your-computer/

Ah, interesting. Motorola LapDock. Unfortunately that is rather expensive, although it has been used by many to reuse a laptop keyboard and display for a Raspberry Pi.

20180525/https://www.cnx-software.com/2012/06/06/make-your-own-raspberry-pi-laptop-with-a-motorola-lapdock/
20180525/http://www.instructables.com/id/Home-Raspberry-Pi-Desktop-With-Old-Laptop-Screen/

Okay, now another thing that would be nice, and we’ve ought to be clear on. Power a Raspberry Pi from a laptop battery pack. That would save me a ton and be very convenient. Yes, it is possible. In fact, someone has used both the LVDS hack and the battery hack. In addition, they’ve added keyboard and speaker support. Wi-Fi antennas? Unfortunately that must not be utilized yet.

20180525/DuckDuckGo power raspberry pi from laptop battery
20180525/https://hackaday.com/2017/12/30/laptop-with-raspberry-pi-inside-learns-to-speak-battery/
20180525/https://github.com/thedalles77/Pi_Teensy_Laptop
20180525/https://www.youtube.com/watch?v=Gh3VTcLiJrI