Has anyone tried out the LCD adapter kits like this one on ebay. http://m.ebay.com/itm/121124750917?_mwBanner=1 My friend surprised the heck out of himself when he bought a raspberry pi and was able to get it working on his own. HDMI works fine for connecting to his TV. He just needed a little help with a RTC setup. I have a couple of old LCD screens and thought this might be an interesting breakout project. These suppliers all ask for the LCD model and say they will provide the proper cable and firmware. My feeling is that the cable may be pin adapted for their board but a bit of modification is also necessary for the firmware to display correctly. I have three others from the same manufacturer which is Toshiba. Actually two are the ones Peter put up on the list for tinkering some time ago. All over heaters. The oldest is stripped bare and boots SOAS from a flash drive. It is the only on which will run without a battery. The other plan for refloating the MB was kiboshed by my SO, so no joy, except that I salvaged the CD and LCD, perhaps for this project. I have the data sheet for that LCD. LG LP156WH1 tl c2 Thanks, Russell Sent from mobile.
On 2016-08-22 12:17 PM, Russell Reiter via talk wrote:
Has anyone tried out the LCD adapter kits like this one on ebay. http://m.ebay.com/itm/121124750917?_mwBanner=1
Not directly, but I have seen a whole bunch of consoles for ad promotions that use Raspberry Pi + Generic cheap laptop LCD + board almost exactly like this to make a cheap built-in HDMI display. Many of those are touchscreens, though. Matching the backlight inverter to the screen will be the hard part.
My friend surprised the heck out of himself when he bought a raspberry pi and was able to get it working on his own. HDMI works fine for connecting to his TV. He just needed a little help with a RTC setup.
You got the RTC going okay? The most important lessons I've learned are: * Use a DS3231 if at all possible * Don't follow a tutorial that's more than a year old. If it mentions Raspbian Wheezy, run away! cheers, Stewart
On Aug 22, 2016 3:36 PM, "Stewart C. Russell via talk" <talk@gtalug.org> wrote:
On 2016-08-22 12:17 PM, Russell Reiter via talk wrote:
Has anyone tried out the LCD adapter kits like this one on ebay. http://m.ebay.com/itm/121124750917?_mwBanner=1
Not directly, but I have seen a whole bunch of consoles for ad promotions that use Raspberry Pi + Generic cheap laptop LCD + board almost exactly like this to make a cheap built-in HDMI display. Many of those are touchscreens, though. Matching the backlight inverter to the screen will be the hard part.
I have three older Toshiba's which all apparently use the same inverter. All with the same MP bios issue. This particular LCD was the only DOA and since I couldn't Frankenstein the MB in the oven at home to reseat the chip, I disassembled it, mostly for the screws, connectors and such. I still have the original Toshiba I started with which ran only off the battery and could never be set run from AC only. I can test the inverter and panel with it.
My friend surprised the heck out of himself when he bought a raspberry pi and was able to get it working on his own. HDMI works fine for connecting to his TV. He just needed a little help with a RTC setup.
You got the RTC going okay? The most important lessons I've learned are:
* Use a DS3231 if at all possible
My friend lives just around the corner from Creatroninc on College St. A short conversation about the Pi one day and the next day he picked up the Pi, noobs, wireless keyboard and the rtc. DS1307 because it had the pin through fitting.
* Don't follow a tutorial that's more than a year old. If it mentions Raspbian Wheezy, run away!
With noobs the wireless networking worked out of the box and he installed the latest Raspbian. I think that's Jessie, but I'd have to check. In case anyone else gets a recent Pi. Here are instructions for setting up the RTC under Raspbian Jessie. I didn't quite do it this way. Makes me think I'll have to actually reboot the Pi next visit to check for persistance. https://www.raspberrypi.org/forums/viewtopic.php?f=66&t=125003
then cheers, Stewart --- Talk Mailing List talk@gtalug.org https://gtalug.org/mailman/listinfo/talk
Russell Sent from mobile.
| From: Russell Reiter via talk <talk@gtalug.org> | Has anyone tried out the LCD adapter kits like this one on ebay. | | http://m.ebay.com/itm/121124750917?_mwBanner=1 Not me. But thanks for posting this. I'm mildly interested because of two projects that I never get around to. 1) I bought a Kobo Arc 7 HD on boxing day ($40 from Factory Direct), thinking I might butcher it for its 1920x1200 IPS screen and using it for a raspberry pi. But it seems like a shame since the tablet actually works OK. I assume that the interface in the kobo is LVDS. The ebay ad says the board support resolutions up to 2048X1152 (that's 2359296 pixels) and I assume that it would support 1920x1200 (2304000 pixels). 2) A few years ago I bought an Asus 15.6" notebook. I like most of it but the screen is nasty (tn, 1366x768). I looked into replacing the screen with a higher res one but all the places that sold replacement screens refused to even suggest a screen that would work in the Asus. This problem is the reverse of the other one: I want a laptop's video chain to support a better panel. As far as I can tell, Asus never sold a version of this notebook with a higer resolution screen so there may be things missing that are required to do so. (Isn't it sad that the quality and resolution of the 15.6" notebook ($400) is so much less that of the 7" tablet ($40).)
On Aug 23, 2016 10:52 AM, "D. Hugh Redelmeier via talk" <talk@gtalug.org> wrote:
| From: Russell Reiter via talk <talk@gtalug.org>
| Has anyone tried out the LCD adapter kits like this one on ebay. | | http://m.ebay.com/itm/121124750917?_mwBanner=1
Not me. But thanks for posting this. I'm mildly interested because of two projects that I never get around to.
Here's a slightly cheaper one with VGA input only. This place drop ships from Flushing NY, although they say add 30 days for international delivery, most of them sellers I've viewed say that somewhere. These pre assembled device matched units all seem to come from the same manufacturing campus in China. http://m.ebay.com/itm/RTD2270-Universal-LCD-Controller-Board-Kit-VGA-to-LVDS-Signal-For-DIY-Monitor-/181437914509?hash=item2a3e8add8d%3Ag%3ABAwAAOSwGotWrFPZ&_trkparms=pageci%253A9920f25e-6a06-11e6-ae8c-74dbd1805b52%257Cparentrq%253Abcf0fd161560a2a486bce02efffd24dc%257Ciid%253A10 I'm currently thinking of this one. http://www.chalk-elec.com/?page_id=1280#!/HDMI-to-LVDS-converter/p/14647633/... You have to make/repurpose your own LVDS cable. However, there is a ink to step by step instructions and a they provide their own utility for loading EDID. This would be good for me considering where I'm starting from. However, in my case I may be wrong in my assumption these Toshiba's are all using LG. There is also this; as well as the native Linux EDID tools you can use to tinker Xorg. http://developer.amd.com/tools-and-sdks/graphics-development/amd-edid-utilit...
From what I have read so far, it is possible that if any of the adapters sold now is hooked up correctly ie. voltages and pin assignments are correct, you will get some sort of output.
This guy has blogged his RE adventure. https://hackaday.io/project/4177/logs <snip>
(Isn't it sad that the quality and resolution of the 15.6" notebook ($400) is so much less that of the 7" tablet ($40).)
I see this as a transport issue related to supply side economics. You can invest in better technology for smaller items because your risk of damage or loss is spread out over a larger lot per container. The larger the display, the more fragile it becomes and shipping time and distance becomes more problematic.
--- Talk Mailing List talk@gtalug.org https://gtalug.org/mailman/listinfo/talk
Russell Sent from mobile.
participants (3)
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D. Hugh Redelmeier -
Russell Reiter -
Stewart C. Russell