Does anyone here want help me getting a RGB LED Matrix Panel to run? - Page 1
Forum section: electronics / projects

author: Lord of nothing
author_rank: Super Contributor
timestamp: November 06, 2020, 06:16:25 pm
content: HiI saw many Videos about that different LED Pannels. For example:Since the Blackfriday is comming soon (11.11 on Aliexpress) I think about buy some LED Pannels and use then in my Home office on the Wall for various thinks like show Video and so on...Does anyone help me to get such run? Maybe oneone here still use it?What kind of Mini Computer does I need for?Can someone recommend a Pannel with a narrow pitch who work?Can a Pannel also regulate the intensity for each LED?Thanks

author: coromonadalix
author_rank: Super Contributor
timestamp: November 06, 2020, 06:27:19 pm
content: the panel are called tilesYou have p4 p5 p8 p10 p16 = meaning the led group size in mm ex p10 is a group of led who take 10mm by 10mm "square" on the tilep4-p5 are now a single smt square rgb led or rgbw ledYou have the square one ex 16x16 32x32 64x64You have the rectangles ones 8x16All of theses tiles are workong at 5volts dc, and the data cable is daisy chained, but the more you have, the more power you need, you can easily go up to 100 amp ... or moreThe current needed is calculated when you litght the tiles in white color, you can have 2 reds, 2 blue or 2 green leds tooYou have the red green blue leds, now you have rgb+white leds groupingTo diplay some stuff, you have many controllers cards, you can get the display from an HDMI VGA source / computerYou have serials, wifi or networked controllersYou have single or dual color controllers cards or full collor display cards, dynamic or static display contents with high frame rate.It really depend of your needsSome cards start at 20$ usd and can go up to 300$ .... or moreAnd you can use som raspi , arduino atmel controllers tooI work with big display panels who display publicity videos ...In my case the intensity is managed by the controller card, no tiles have brightness controlIndoor or outdoor use ? some tiles are waterproof others are not.

author: Lord of nothing
author_rank: Super Contributor
timestamp: November 06, 2020, 06:34:40 pm
content: I saw many people using a Mini Computer for. The quick idea was, is,... to use one depend on the recourcen it require for X amount of Tiles. I dont do a research what each Tile would cost but I would stick to a 64x64 with a hight Refresh Rate.QuoteI have a big "old" Bronze Rated Power supply.I thought about "streaming" the Contend via Lan to each "Mico Pc". I dont know if the Pi could handle that? What I know a VLC could for example splitt a Video in different Tiles.

author: coromonadalix
author_rank: Super Contributor
timestamp: November 06, 2020, 06:44:29 pm
content: some controller software will do everything for you, some software work like a "office" word processing for text onlyYou need to know the display size ex: 3600 x3600 pixels, the "pixel" in this case is the led grouping Ie: p10 rgbw led 10mm x 10mmthe bigger the display the slower the refresh rate will be, you can still get very good frame rate like you see on buildings in china, new york etc ...

author: Lord of nothing
author_rank: Super Contributor
timestamp: November 06, 2020, 06:54:54 pm
content: The Main goal could be such think if I know more about writing Code and so on:I would like start just with 1 or maybe 4 tiles if I get crazy. I dont know yet what I have to pay for.QuoteThats why I think about splitting them into multiple Mini Pc in some years,...The think who make the most headache is how to get a Video into the Pixel.

author: coromonadalix
author_rank: Super Contributor
timestamp: November 06, 2020, 08:17:51 pm
content: nope your problem will be syncing them, you'll have timing issuesIf you display animation, you need a single source with a dedicated controller of your choice, and thru it split the content over the tiles, it is done automatically when you do the screen setup ...I wont talk about raspi or any hobbyist stuff, i dont code for themI only know complete systems since i repair and maintain some of themCheck mrled.cn

author: capt bullshot
author_rank: Super Contributor
timestamp: November 06, 2020, 08:25:59 pm
content: Yes:http://wunderkis.de/Blinkenlights/blinkenlights.htmlBeware, this stuff might be quite outdated. The protocol used to drive the tiles evolved somewhat over time, so I suppose my simple controller board might not work anymore with a recent tile.

author: firehopper
author_rank: Frequent Contributor
timestamp: November 06, 2020, 08:39:58 pm
content: you can get a 64x64 p2.5 tile to mess with from adafruit.https://www.adafruit.com/product/3649then use the matrix portal to controll it so you can get used to it.https://www.adafruit.com/product/4745its programmed in python or arduino.

author: coromonadalix
author_rank: Super Contributor
timestamp: November 09, 2020, 02:42:20 am
content: https://www.reddit.com/r/raspberry_pi/comments/j6w8uy/retro_matrix_led_retro_games_and_cellular_automata/

author: Lord of nothing
author_rank: Super Contributor
timestamp: November 12, 2020, 11:25:05 pm
content: ...In a act of insanity I was looking for a Module and bought this:https://de.aliexpress.com/item/32989814389.htmlI wanted some with a narrow Pixel Pitch so I saw that one and I order it.So good or bad? Does I need an adapter (Card) to for an Pi?I saw many video where People speak about a Library I could use.Well I would start to show the current Time (over the Network) at first.

author: coromonadalix
author_rank: Super Contributor
timestamp: November 13, 2020, 12:34:09 am
content: why not this one loll a 64x64 p2https://de.aliexpress.com/item/32855362755.html?spm=a2g0o.detail.1000060.1.344d3734NWO89M&gps-id=pcDetailBottomMoreThisSeller&scm=1007.13339.169870.0&scm_id=1007.13339.169870.0&scm-url=1007.13339.169870.0&pvid=45ff25be-e8d6-4fe4-894b-9277ef14b50a&_t=gps-id:pcDetailBottomMoreThisSeller,scm-url:1007.13339.169870.0,pvid:45ff25be-e8d6-4fe4-894b-9277ef14b50a,tpp_buckets:668%230%23131923%237_668%23808%233772%23233_668%23888%233325%235_668%234328%2319922%2338_668%232846%238114%23796_668%232717%237563%23503_668%231000022185%231000066058%230_668%233468%2315609%23241

author: Lord of nothing
author_rank: Super Contributor
timestamp: November 13, 2020, 12:36:31 am
content: The would charge me € 7,81 for shipping. And i still order the one in my Link.

author: coromonadalix
author_rank: Super Contributor
timestamp: November 13, 2020, 01:10:30 am
content: they use hub75 pinoutshttps://create.arduino.cc/projecthub/CamelCaseName/running-a-32x64-rgb-led-panel-with-only-an-arduino-nano-c19385https://www.hackster.io/aleksand1975/hub75-led-display-driver-777bac