Author Archives: twongkee

BrickPi3

over the pandemic, picked up a BrickPi3. We have an older set of Mindstorm NXT lego motors and sensors, not the newer EV3 ones, so the cpu is rather under powered. initial notes: initially planned to use a pi4, but … Continue reading

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Pinephone Megapixels vs cli ffmpeg

here is a comparison, a few seconds apart of the ffmpeg cli vs megapixels app. not identical framing, since I think I moved the phone a slight bit between shots, but close: just used the defaults for megapixels. to my … Continue reading

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Pinephone Camera on CLI with ffmpeg and media-ctl

Still on postmarketOS. using bash, to call media-ctl and ffmpeg take pictures with the pinephone camera. need to setup the camera for the resolution and format required : media-ctl \ -d /dev/media1 \ –set-v4l2 ‘”ov5640 4-004c”:0[fmt:SBGGR8_1X8/2592×1944@1/15]’ then call ffmpeg to … Continue reading

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Toronto, Blue Jay Action Shot!

Spring is here, but the birds still like our feeder: They do not sit at the feeder for very long, they swoop down, grab a seed and then fly off again.

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Old laptop: 32G ram!

This week, updated ram in a 5 year old lenovo gaming laptop to run some recent games. Is an i7, 4 core 8 thread system. The instructions for getting to the memory are on ifixit! One added twist: That laptop’s … Continue reading

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Another USB-C hdmi adapter working with Pinebook PRO

Since working at home, have my “work” computer, which is an apple laptop; I also have been given a USB-C hdmi adapter/hub for that machine. is a grey SATECHI device, which has ethernet, hdmi, 3 USB type a, sd, and … Continue reading

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homework setup

since have been working at home, have a couple of items that make things easier: bluetooth multi device keyboard and mouse. That way I can use the same keyboard for work and home, just by hitting the appropriate hot key. … Continue reading

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Pinebook Pro USB-C Dock and External monitor

Works! (mostly) woo hoo! notes: tried “regular” shipping, and took over a month; was over the December crush, but even so was a bit surprised on how long regular post took. at first did not seem to work, hitting the … Continue reading

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Amazon Prime Photo “Things”

playing with amazon prime photos. Since I have prime, mostly for videos this past year like good omens and the expanse, and various old tv shows… and admit that I have some amazon devices: Fire 8 tablet, Fire TV stick … Continue reading

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Megapixels oddness

still running postmarket-os, manually updating with apk found that the megapixels app, is now fast, but is not saving the .jpg files correctly on my setup? is saving two files, IMGYYYYMMDDHHMMSS.dng and IMGYYYYMMDDHHMMSS.jpg the .dng file seems fine, but since … Continue reading

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