surge team took over obxd development

obxf github builds

remapper

remapper

rp2040 breakout board for prototyping

its pretty cool you can just order the gerbers from pcbway, solder some headers and have easy access to those awkward pins to maximize the use of this tiny footprint

rp2040 breakout

rotary

encoder

getting a usb qwerty to be a midi keyboard without a computer

samd2695 + esp32s3

this m5 stack midi module

akai mpk play has built in sounds and a speaker but wasnt a fan. you could get a qy100 or some other old midi module on ebay or a pawn shop. An mt-32, soundcanvas, maybe a proteus. but now for 30$ on ali you can get one of these

djx

samples from my keyboard

how to convert mkv to mp4

so you've recorded a video on linux with guvcview and now you want to play it/edit it on an iphone,
heres a one liner you can use with ffmpeg to convert it to mp4:

for f in *.mkv; do ffmpeg -i "$f" -c:v libx264 -profile:v high -level 4.1 -c:a aac -movflags +faststart "${f%.mkv}.mp4"; done

build your own arduino drum brain

this kit is cool

beam forming

pretty cool these days to be able to dip your toes into medical ultrasound technology using cheaply available microcontrollers and sensors.
diy sonar scanner