#DIY LED

[cutevintagetoys]

🌸 LED Tulip Nightlight Globe 🌸

[jengerxbread]

something something life behind a mask something something its yone!!

costume and wig made by me. 3D file for mask by @/tavi_cosplay_props (insta).

[madsciencepottery]

I made my boy a luminol mound

[bigothteddies]

dreaming of building my own stuck-in-wall glory hole in the spare closet of our bedroom again

[pheadhones]

my DOD FX59 Thrash Master got here today. pictures can’t convey just how pink it is.

I wanted to take a look at the circuit, and when I did I realized how easy swapping the status LED would be, and how desperately it was begging for a pink LED instead of a dim red one. So I did!

A quick A/B between the Crock and DOD and they don’t sound the same. maybe I’ll record the differences sometime.

[offeraliexpress]

Solar Firework Fairy Light LED Outdoor Waterproof Garden Flower Light Christmas Party Decoration DIY Lawn Lamp Holiday Lighting

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$34,21

$2,36

[nerdyqueerandjewish]

Got to hang out with my mom’s festival friends and it’s so fun to be around weird hippies (affectionate) who also believe in vaccines and science lol

They showed me some basics on how to spin fire and it’s definitely something I want to do more of! Maybe it could be my new fun and relaxing thing

[soci-ophobia]

Mirror is all done! Love the way it turned out.💕💕

[eastritual]

photos from our 8/15 show at the 27 club in asheville by amaya avila ⚡️👽

[gobl1nqueen]

Fuck you

[blujayonthewing]

it took a lot of keeping an eye out over months of thrift shopping but I finally found two pieces that work together perfectly as a small brazier-- the kind a wizard might have specifically for casting Find Familiar, for example 😌

[cutevintagetoys]

🌸 LED Tulip Nightlight Globe 🌸

[jengerxbread]

I finally revamped my LED mask and wore Rainy Devil to AX Chibi 2023 after its first debut at AX 2018

[taperwolf]

LED displays are the easiest parts on which to identify the pins when you don't have any information on their pinouts, but they're still very satisfying to get working.

See, I've got a couple of cute little displays with no accompanying data:

The number on the side isn't an identifiable part number, and the markings on the other side — "07817N" — is more likely a date code or batch number than anything else. With this many segments and 24 pins, it's likely either a common-cathode or common-anode device, and not a matrix, so that's somewhere to start; I popped one into a breadboard and started probing with a little LED tester and some jumper wires. The first few pins I tested turned up some red light, so that was very encouraging.

It turned out to be a common cathode device, mostly.

A single-digit common cathode display works like this: you ground the single wire for the whole display — the common cathode of all the LEDs — and supply voltage to each segment's anode. So to make a three on one of these, you put the voltage into the anodes for segments a, b, c, d, and g, and to turn the whole thing off, you stop grounding the cathode.

A multidigit common cathode display works the same way, but all the identically named segment displays are tied together. You usually need a microcontroller to manage the timing, but you have it ground the cathode for the digit and light up the segments, then stop, unground it, and do the same for the next digit. You can't light them with different layouts at the same time, but thanks to human persistence of vision, you don't have to. You just loop through really fast and it looks like it stays lit. On this one, pins 2, 5, 8, and 10 are the cathodes for digits 1-4 respectively, and the pins for segments a-g are 17, 19, 20, 3, 11, 18, and 22. The decimal points for digits 1-3 have their anode at pin 9, while the one for digit 4 (the bottom of the final three dots on the display) is on pin 16 for some reason.

But while the device I have operates like that for the digits, the dots are handled a little differently. The first three are an independent common cathode display, with individual segment pins that aren't connected to anything else (CC on 24, with a on 23, b on 4, and c on 1), and the top two of the last three are the same way (CC on 15, top on 13, middle on 14). The top dots of the middle colons are independent LEDs — the first has its cathode at 12 and anode at 21, and the second has its cathode at 7 and anode at 6.

I'd show off the thing working if it didn't mean breaking out an Arduino board and hooking it to at minimum 11 patch wires. I don't actually have an immediate use for these. I should figure out something synthesizer related that could make use of a wall clock.

[trendingproducts569]

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[yelenaday]

DIY Witch House From Scratch! Moving Hut Diorama🦉Баба Яга