Lmst

Жгём-шьём контроллеры и кормим ядерную подсветку

Четыре сгоревших STM32 , три блока питания, 90 ампер, синяя сосиска, 16 бубенчиков и электродиффузия — в этой части кормим подсветку для трёх теликов, пишем с нуля протокол адресных светодиодных лент WS2812b и обматываемся коаксиальными проводами. Осторожно, трафик!

https://habr.com/ru/articles/899556/

#ambilight #diy #ws2812b #stm32 #c++ #C #светодиоды #подсветка #OLED #осциллограф

Жгём-шьём контроллеры и кормим ядерную подсветку

Четыре сгоревших STM32 , три блока питания, 90 ампер, синяя сосиска, 16 бубенчиков и электродиффузия — в этой части кормим подсветку для трёх теликов, пишем с нуля протокол адресных светодиодных лент WS2812b и обматываемся коаксиальными проводами. Осторожно, трафик!

https://habr.com/ru/articles/899556/

#ambilight #diy #ws2812b #stm32 #c++ #C #светодиоды #подсветка #OLED #осциллограф

Учим три телевизора сверкать булочками, часть 0

Как я строил кастомную 500-ваттную подсветку вокруг трёх теликов, какие у неё особенности, и через что пришлось пройти, чтобы всё это родить и написать софт. Осторожно, трафик!

https://habr.com/ru/articles/895340/

#ambilight #diy #ws2812b #светодиоды #подсветка

Studying embedded rust with some WS2812b's and the embedded_graphics crate.

The DrawTarget trait is really nice, you get all sorts of nice graphical primitives just by implementing a few short functions.

#esp32 #rust #ws2812b

I had some free time this sunday to solder the last two board I had, but not enough to test them.
So I did it this evening.
1 led in the wrong direction (on 1296 hand placed leds), and 2 with bad connections. All fix, and the board are running fine now \o/

I have no idea of what I'm gonna do with them. But I'll find out :)

#LedClock #ws2812b #esp8266

One is on the foreground, occupying 2/3 of the image, we see a close up of part of a led matrix ( around 17 columns of 11 rows of leds are visible). They are mostly lit in green, except the right columns which are light blue.
Behind, we see a part of another matrix (32 columns, 5 rows are visible). They are lit with a color gradient: red on the left, to green in the middle and blue on the right.

The two matrixes (60x11 leds each) sit on a black cutting mat.
They are both lit with a color gradient from red to yellow, green, cyan, blue, magenta and red again.

The two matrixes display time (20:36:20)

Humm, I guess I found why it's not working.

Can you? :)

#SpotTheDifference #ws2812b #LedClock #WrongDirection

Close up of a green pcb. About 20 leds are visible, they are align in a grid with a label above each one.
On each led, there is a green dot on its right.
Except one where the dot is on the left. Also, that led has burn mark :(

STM32 Tutorial #37 - Cool RGB LEDs (WS2812 aka. NeoPixel)
Driving WS2812 NeoPixel RGB LEDs with a STM32. In this video we'll go through my library which uses Timer PWM + DMA to drive a string WS2812 NeoPixel RGB LEDs.
#stm32 #tutorial #ws2812 #ws2812b #neopixel #timer #pwm #dma #stm32world
https://www.youtube.com/watch?v=mdZerUTFJUw

I cut another grid on a better plywood and no more visible leaks \o/
There is still one, but in a place I'm not really using, so that's ok (for now).

I'll have to find a better way to make those kind of grid. Maybe 3d printing?

#LedMatrix #ws2812b #LedClock #LaserCut

My tree is up! I think I have all my code ported over from the ESP32 to Raspberry Pi Pico W, but I'm probably gonna wait on that so I can build a new board and 3d print an enclosure.

#trans #pride #LEDart #ws2812b

A "Christmas" tree covered in addressable LED strands. It is lit in such a way that resembles a transgender pride flag, with 5 (roughly) equal stripes. There are light blue stripes on top and bottom and two pink stripes separated by a white stripe in the middle.

A case, and a piece of paper as a diffuser and looks so much better :)

I love it!

I still have some finishing touch, some features to code and a lot of cleaning :)

#LedMatrix #esp8266 #ws2812b

I designed the case, but it's too late to start the laser cutter. It'll wait tomorrow.

Instead, I quickly adapted the code I wrote for the prototype :)

#LedMatrix #ws2812b

So I added a connector, plugged it to a controller and nothing happened.

I had a moment of doubt, maybe the whole thing was faulty.

Then I look closely at the first led of the chain, and one of the pin wasn't correctly soldered.

I fixed it, plugged it again, and boom ! \o/

#LedMatrix #ws2812b

A 11x60 led matrix (with 3 leds missing in each corners).
The 648 leds are displaying all the colors (possible with leds) :)

Only an hour to finish the placing of the leds.
I'm getting better :)

It's ready for the soldering on the hot plate.

#LedMatrix #pcb #soldering #ws2812b

The pcb now has all its led.
It's sitting on top of a small heating table. As the table is to small (60x80mm) for the pcb (45x240mm), a big part of it is not and the table and supported by a wooden box.
The table is in front of 120mm extractor fan.
On top of the fan (whose body is a wooden box) stands an alectronic microscope pointing at the pcb.

90 min later, half of the leds are in place. That's 324.

And 324 leds to go :)

#LedMatrix #pcb #ws2812b

Pcb of led matrix sitting in a wooden 'craddle' (to keep it in place). Half of the fotprints are filled with ws2812b leds in 2020 package. That 324 leds.
323 footprints are still empty

Ich habe mal unseren Schwippbogen mit #WLED gepimt. Hatte zufällig noch ein genau passendes Reststück vom #WS2812b rumliegen 😇

Schönen 1. Advent euch allen

I did not realize when I posted that the video was that bad (it was late).
So, I made a (I think) better one.

I think I'm done with this prototype, I'll start working one the bigger version, maybe 11x50.

#LedMatrix #LedClock #esp8266 #ws2812b

And we have clock ! \o/

This means I will most likely design the definitive pcb during the week end :)

#LedMatrix #esp8266 #LedClock #ws2812b

@jasoncoon of Evil Genius Labs sent me his new 8x8x8 LED Cube. This is a volumetric display made of 512 WS2812 LEDs and a PixelBlaze inside a frosted acrylic box. It was a kit; I soldered and assembled it over the last two days. The PixelBlaze came with many preprogrammed effects, including these three.

It looks even better in person -- the camera oversaturated on the bright parts.

#Blinky #WS2812b

Bugger, #AdhdTax strikes again. I was intending to repair my pretty #ws2812b lights ready for Christmas and solder up a #Esp8266 for use in other projects and then the lights at the right time. Could I find either of them? Could I ever! Not where they were supposed to be, so I've had to order new microcontrollers and not fix up the lights as I've no idea where they are 😭 #adhd #adhdlife

pcb arrived \o/

Damn that's compact.
I knew it (I designed them) but seeing them is something else. That's way smaller than everything I've made before.

So, it's soldering time !

#pcb #LedMatrix #ws2812b

#ws2812b

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