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krisander

@krisander

Joined July 24th, 2026

  • 28Devlogs
  • 8Projects
  • 4Ships
  • 3Votes
eletronic geek, knows c++and a bit of python. I love building projects!
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4h 56m 37s logged

I did a lot of work, I printed out the schem sheet and matched it with the actual dimensions and all, but the prb is I didn’t realize that the keyboard switches were too far apart… I have to delete all the wiring before shifting the keyboard switches back and then rewiring….. HELP

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56m 1s logged

i fixed up the neo-pixel problem, i miss took the tiny leds for the ws2812b kind, so i fixed that and the project passed the E.R.C.

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38m 1s logged

started schematics I’m thinking of adding a diode in the key matrix layout so that there is no ghosting in the hek-pad. I wont be able to do much because of my exams. I will get back on as soon as the exams are over.

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5h 39m 3s logged

i finished all the PCB Editing in about 5 hours!! I’m gonna put the PCB files on github soon. I”ll also send it for reshipping… hopefully it will be accepted.

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47m 3s logged

i fixed the schematics of the board. I added switches and labeled everything. I ran through the tests and it passed perfect.

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1h 11m 22s logged

i restarted programming the code and I’m trying to make the audio latency as low as possible, I’m using my home wifi to connect esp32s along with clock.. I also got a new pc yayyy!!!!!

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1h 51m 40s logged

im working on aa new project called tab-tamer, as a part of frictionless. I got this cute extension called cat face on vs code that gets happier the more errors i correct!

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1h 30m 57s logged

got the project working as an extension, i will make it actualy work in the span of about 10 days, i wont be albe to do as much because of my exams.

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Ship Pending review

This is a retro themed mp3 player built around the esp32-wroom-1, this is version 1.3, this verson can play audio, browse through songs, add favorite songs, remane songs, artists and setsong duration. It has an inbuild keyboard wich makes it easy to type and save songs.

  • 13 devlogs
  • 23h build
Video of Project → See source code →
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1h 32m 15s logged

I’m currently fixing the keyboard navigation, and adding code to rename artists as well. I will update agian after fixing it.

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Ship Changes requested

this is a small metall detector built based on the bc547 transistor, it uses a electro magnitic coil to detect fluctuations caused by metal and amplifies the siginal into a led and buzzer. I got the pcb, components and soldered it all after refering to a few wiring diagrams. There is a potentiometer on the pcb to change the cutoff fluctuation limit.

  • 1 devlog
  • 1h build
Video of Project → See source code →
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1h 18m 47s logged

this is a small metall detector built based on the bc547 transistor, it uses a electro magnitic coil to detect fluctuations caused by metal and amplifies the siginal into a led and buzzer.

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41m 9s logged

I added code so that i can rename songs through the player but i have to clike abt 52 times per letter becaue the screen size and buttons are limited . If you have any ideas on optmizing the typing please feel free to suggest it in the comments!

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2h 11m 59s logged

I finished ver1.3, currenty debugging errors in ver1.3… Ill do a timlapse soon stay tuned for the hardware build montage!

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1h 4m 50s logged

ok so the project works but i complete forgt to add the logic part of renaming songs etc, i deleted about 200 lines of code to update it. ill will post a breadboard prototype after fixing this version of code

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