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avernois, to random

I've made some changes in my office today.
This was my desk this morning

avernois,

This was my desk at lunch time

avernois, to diy

I think I just started to work on a new clock :)

avernois,

And it works \o/
I'll works on the others once I received the capacitor (it works without, but it's better to have them).
And now that I know this will work, I can invest time of the whole thing :)
#pcb #ws2812b #LedClock

avernois,
avernois,

After assembling 2 pcb, I had some doubts.
So I made a prototype case, to have a better idea on how it'll look like. And after some tweaking, I'm reassured. This should end looking nice.
I also gain some idea for the next iteration in the process :)
#LedClock #pcb #LaserCut #ws2812b

video/mp4

avernois,

So I have done some soldering this afternoon.
And it looks nice.

But next time, I'll get a stencil. Applying solder paste by hand was not funny.

#LedClock #pcb #ws2812b

avernois,

Also, yesterday I lasercut some layers to get a better feeling of the clock and try to figure out where I'm going to put the electronic and how I'm going to make it stand.

Usually, all esp8266/ws2812b clocks are using the same pcb. But I think I'm going to design a new one for that clock and try to make it as slim as possible.

#LedClock #pcb #ws2812b #LaserCut

avernois,

And we have a clock!

#LedClock #ws2812b #LaserCut

avernois,

There is still a lot of work to do. That's what the back looks like :)

avernois,

So I designed a new boad for the controller, thinner than the one I usually use.
I'll wait to receive it (hopefully next week) to finish the design of the clock.
In the mean time, I'll probably experiment with the way to display time.
#pcb #LedClock #ws2812b #LaserCut

avernois,

The last components arrived today.
And after for 4 hours of tests, experiments and reading datasheets and obscure forums, I made it works :)
(gipio15 needs to be pulled low, to boot).
I still got some noise on the data line. I'll figure that out tomorrow.

#esp8266 #LedClock #ws2812b #pcb

avernois,

Took me 2 hours, and more tests, experiments and obscure forum but I solve the glitch \o/
It had nothing (almost) to do with the data line. The capacitor on the ldo was just too small (despite being the one suggested on the datasheet).

Next step is to order some bigger smd capacitors, and add the missing resistor to the design and we should be good on that part of the project :)

#esp8266 #LedClock #ws2812b #pcb

avernois,

new version of the pcb designed and ordered.
Now, the wait starts :)

avernois,

And we're back in business :)
The plan is to replace the electrolityc capacitor with the ceramic I received today in the previous pcb and check it still works fine.
If that's good, I'll have to desolder everything and solder it back on the new version of the pcb.

avernois,

As I should have expected, things did not really went according to the plan yesterday :)
First I broke the copper pad when desoldering the capacitor making it difficult to test that board with the new ceramic capacitor.
So I did not, and, naively, went directly to solder the new board

Obviously, it did not work. The glitch I thought the capacitor would fix was back. Maybe it was not a capacity problem ?

After few hours of theories, experiments, failures I ended up stacking to capacitors and it works. Maybe it was a capacity problem ?

I guess I'll have to learn how capacitors really works, and the difference between each kind :)

avernois,
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