Lmst

#makevember A quick writeup of my music camera thingy https://planb.nicecupoftea.org/2025/12/01/makevember.html

#makevember 30 and final - not as finished as I wanted it to be but ported some of the music player to javascript so I can run it in chromium headless on the pi. Now it should be easy to change tempo, synth etc etc. Currently playing a single note in the wrong order though.

#makevember 29 - big old fail getting chromium to recognise the camera on trixie or on bookworm 😑

#makevember 28: decided to give up on python and go for headless chromium on the pi instead. Turns out it's a bit annoying to debug now but it does still work - you have to use an ssh tunnel since 109 - https://issues.chromium.org/issues/40261787 https://stackoverflow.com/questions/40538197/chrome-remote-debugging-from-another-machine#comment85700709_44200427

#makevember 27 - decided I needed more control over the type of sound and the speed than musicalbeeps / simplaudio was giving me, so spent ages getting pyaudio to make a terrible noise 😩

My seventh #Makevember is a chicken coop night light. Made from some repurposed electronics, the bulb from a light bulb, lollipop stick, and hot glue.

A night light on a flat surface. Left to right, lollipop stick, green printed circuit board with a lipo battery, copper wires, and the bulb from a light bulb shining red.

#makevember 26 Detecting coloured bricks using a cv2 mask based on saturation

a screenshot of a video of 6 lego bricks in different colours, outlined in red and marked with their coordinates

#makevember 25: Removed the can from a dud Texas Instruments 2N1308 NPN germanium transistor. Photographed the die, on the header, and saw the melted bond wire. Must've passed more than the rated 300mA, at least briefly

2N1308 transistor with TO5 can removed, showing melted bond wire

#makevember 25: scaled up the generation of data (which was initially very tiny as each datapoint was one pixel) using cv2.resize with interpolation=cv2.INTER_AREA to fit A4, and printed out a couple of different keys. Not sure what it means to play one key in terms of another though.

tiny blurry squares on a white background

lovely crisp squares scattered on a white background

#makevember 24: got streaming to a webpage working while playing music, so chuffed with that (and it makes it easier to debug too). Apologies for the state of my computer.

My sixth #Makevember is winterizing oak acorns and oak tree seedlings.
This year I've put layers of acorns, in damp sand, in 5 gallon buckets, buried in soil. In the early spring I'll dig up the buckets and sow the acorns in to containers or beds.
I buried last year's containers of seedling in the ground.
And protected some older oak seedlings by surrounding them in leaves.

An small bare oak tree seedling plant in the ground, with some leaves and snow on the ground.

A tripod made of sticks stuffed with leaves, some burlap at the top of the tripod. This is to protect the oak seedlings from the cold and wind.

The lids of two 5 gallon buckets poking out of the soil in a shallow trench. Each bucket contains damp sand and layers of oak acorns, afterwards more soil will be piled on top.

A garden bed piled with soil, some snow is visible outside the bed. The left side has shallow boxes buried in the ground with seedling oak trees buried in boxes, on the right is two buried buckets of acorns and sand.

#makevember 23: remembered I had this foot button from the Scrapstore (it's for a smoke machine). Hooked it up to an Arduino, though not sure what to do with it. It's a simple beast.

The innards of the button - 3 wires connecting an led and the button

pressing the button lights up the led and sends a serial message from the Arduino

#makevember 22 - been a bit slack today because to I don't want to go to the shed in the rain, and just done a bit of research as to the kinds of controls I want to have for the paper-and-camera data-music generator. I think speed, synth type and key are the main ones, stretch goal would be adding chords or arpeggios. Idea is to make this kind of thing faster to iterate - https://planb.nicecupoftea.org/2025/09/03/accounts-music.html

#makevember 21 - for some reason my pi's camera or opencv thinks that the orange brick is blue

a load of black squares scattered on a white A4 sheet of paper. A blue lego piece is visible, and the text "orange colour"

#makevember 20: trying to make some control bricks and identify them by colour using openCV

a picture of my data (black squares on white) via a camera and opencv with an orange lego brick outlined in red

#makevember 19 Leads and test clips for the component tester. Handy when the component won't fit easily into the ZIF socket, e.g. the GET882 PNP germanium transistor with unequal-length leads

Components: test clips, wire, and 2.54mm header pins

Assembled: wires soldered to header pins and test clips, with heatshrink sleeving over the pins

In use: testing a GET 882 germanium PNP transistor

RE: https://mastodon.me.uk/@libbymiller/115577405217763835

and this is actually my #makevember 19 (changing the camera). I also turned the piece of paper the right way up.

My fifth #Makevember is a bird feeder made of pallet wood and other reclaimed materials.

A bird feeder on top of a post in the foreground, with snow covered ground and trees in the background.
The bird feeder is made of pallet wood, has a lower box/platform for the food, two uprights, hold a simple pitched roof.
Inside the feeder is a Black-capped Chickadee looking at sunflower seeds.

#makevember 18: beeps are happening. The wrong beeps, but that's a callibration issue.

#makevember 17: printed squares representing income per event for a month at @cubecinema normalised to midi values of the key of C above middle C. Now to play it!

#makevember

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