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Karel The Robot Comes To CircuitPython

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Kandungan disediakan oleh Adafruit Industries. Semua kandungan podcast termasuk episod, grafik dan perihalan podcast dimuat naik dan disediakan terus oleh Adafruit Industries atau rakan kongsi platform podcast mereka. Jika anda percaya seseorang menggunakan karya berhak cipta anda tanpa kebenaran anda, anda boleh mengikuti proses yang digariskan di sini https://ms.player.fm/legal.
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4849 episod

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Karel The Robot Comes To CircuitPython

Adafruit Industries

72 subscribers

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Manage episode 456293142 series 1242341
Kandungan disediakan oleh Adafruit Industries. Semua kandungan podcast termasuk episod, grafik dan perihalan podcast dimuat naik dan disediakan terus oleh Adafruit Industries atau rakan kongsi platform podcast mereka. Jika anda percaya seseorang menggunakan karya berhak cipta anda tanpa kebenaran anda, anda boleh mengikuti proses yang digariskan di sini https://ms.player.fm/legal.
Visit the Adafruit shop online - http://www.adafruit.com ----------------------------------------- LIVE CHAT IS HERE! http://adafru.it/discord Subscribe to Adafruit on YouTube: http://adafru.it/subscribe New tutorials on the Adafruit Learning System: http://learn.adafruit.com/ -----------------------------------------
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4849 episod

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Join Scott as he goes over a new optimization of the CP VM's garbage collection. He'll also answer any questions folks have. Visit the Adafruit shop online - http://www.adafruit.com Thanks to dcd for timecodes 0:00 getting started 0:47 hello everyone 1:24 intro to the Adafruit Metro rp2350 microprocess 5:00 Future plans while Scott is out/part time 5:59 Fruit Jam OS - ( capture video recording ... ) 8:47 with audio - recording that shows a couple of bugs ( 128 mS gaps triggered by garbage collection ) 11:00 Audio buffer with DMA through PSRAM which was too slow ( moved to SRAM ) 15:00 Bitmaps are not DMA'ed, but are still allocated outside the Python VM 17:00 Description of GC process 18:30 Mark-and-sweep in MicroPython and CircuitPython 20:28 Changing allocation to identify if there are allocations that don't containing pointers (for GC) 21:15 Bitmap.c - 22:36 gc.c gc_mark_+subtree 23:22 micropython split heap 25:49 Shared-bindings / displayio / Bitmap.C - mp_obj_malloc() vs. m_malloc() 30:49 misc.h allocations 32:43 dive into malloc.c and gc.c 44:00 continuing debugging with gdb 49:00 perhaps renaming the function will clarify things 53:22 gc_realloc() 56:17 if block is moved, need to copy the state 1:06:00 How do these improvements apply to micropython 1:09:10 Assertion failure in gc.c 1:13:51 Allocation/Debugging tools 1:28:42 handling re-alloc 1:31:55 consider TLSF tradeoffs 2:01:09 will be pushing the code to the leaf allocation branch 2:06:39 wrap up - should be here next week ----------------------------------------- LIVE CHAT IS HERE! http://adafru.it/discord Subscribe to Adafruit on YouTube: http://adafru.it/subscribe New tutorials on the Adafruit Learning System: http://learn.adafruit.com/ -----------------------------------------…
 
Official Raspberry Pi 45W USB-C Power Supply (0:08) https://www.adafruit.com/product/6320?utm_source=youtube&utm_medium=videodescrip&utm_campaign=newproducts See all the LED Filaments here: (3:08) https://www.adafruit.com/category/536)?utm_source=youtube&utm_medium=videodescrip&utm_campaign=newproducts Number LED Filament - Warm White "9" https://www.adafruit.com/product/6295?utm_source=youtube&utm_medium=videodescrip&utm_campaign=newproducts Number LED Filament - Warm White "8" https://www.adafruit.com/product/6294?utm_source=youtube&utm_medium=videodescrip&utm_campaign=newproducts Number LED Filament - Warm White "7" https://www.adafruit.com/product/6293?utm_source=youtube&utm_medium=videodescrip&utm_campaign=newproducts Number LED Filament - Warm White "6" https://www.adafruit.com/product/6292?utm_source=youtube&utm_medium=videodescrip&utm_campaign=newproducts Number LED Filament - Warm White "5" https://www.adafruit.com/product/6291?utm_source=youtube&utm_medium=videodescrip&utm_campaign=newproducts Number LED Filament - Warm White "4" https://www.adafruit.com/product/6290?utm_source=youtube&utm_medium=videodescrip&utm_campaign=newproducts Number LED Filament - Warm White "3" https://www.adafruit.com/product/6289?utm_source=youtube&utm_medium=videodescrip&utm_campaign=newproducts Number LED Filament - Warm White "2" https://www.adafruit.com/product/6288?utm_source=youtube&utm_medium=videodescrip&utm_campaign=newproducts Number LED Filament - Warm White "1" https://www.adafruit.com/product/6287?utm_source=youtube&utm_medium=videodescrip&utm_campaign=newproducts Number LED Filament - Warm White "0" https://www.adafruit.com/product/6286?utm_source=youtube&utm_medium=videodescrip&utm_campaign=newproducts Adafruit I2C to 8 Channel Solenoid Driver - STEMMA QT / Qwiic (4:22) https://www.adafruit.com/product/6318?utm_source=youtube&utm_medium=videodescrip&utm_campaign=newproducts ----------------------------------------- New nEw NEWs New Products, News, and more: https://www.adafruit.com/newsletter #newnewnew Shop for all of the newest Adafruit products: http://adafru.it/new Visit the Adafruit shop online - http://www.adafruit.com Adafruit on Instagram: https://www.instagram.com/adafruit LIVE CHAT IS HERE! http://adafru.it/discord Subscribe to Adafruit on YouTube: http://adafru.it/subscribe New tutorials on the Adafruit Learning System: http://learn.adafruit.com/ -----------------------------------------…
 
The hush-hush news from Adafruit in Industry City, Brooklyn, New York. Broadcast April 9, 2025 These are items or concept products that may/might/could be introduced into the Adafruit store in the future (or not)! It's not out yet, so please don't ask questions or ask when it'll be available.... Check out the Adafruit store for all the great products that are available and for coming soon products you can sign up to be notified when they are in stock. https://www.adafruit.com/new Visit the Adafruit shop online - http://www.adafruit.com Also visit DigiKey for Adafruit products at http://www.digikey.com/ ----------------------------------------- LIVE CHAT IS HERE! http://adafru.it/discord Adafruit on Instagram: https://www.instagram.com/adafruit Subscribe to Adafruit on YouTube: http://adafru.it/subscribe New tutorials on the Adafruit Learning System: http://learn.adafruit.com/…
 
Join Ladyada as she breaks down how recent tariff shifts impact electronic component availability and pricing, reshoring trends, and what may happen to engineering/BOM and DIY project costs. Get the inside scoop on navigating supply chain challenges while keeping your builds affordable and excellent! Visit the Adafruit shop online - http://www.adafruit.com ----------------------------------------- LIVE CHAT IS HERE! http://adafru.it/discord Subscribe to Adafruit on YouTube: http://adafru.it/subscribe New tutorials on the Adafruit Learning System: http://learn.adafruit.com/ ----------------------------------------- #tariffs #usa #manufacturing…
 
ASK an ENGINEER - featuring TARIFF TALK! 4/9/25 Visit the Adafruit shop online - http://www.adafruit.com ----------------------------------------- LIVE CHAT IS HERE! http://adafru.it/discord Subscribe to Adafruit on YouTube: http://adafru.it/subscribe New tutorials on the Adafruit Learning System: http://learn.adafruit.com/ ----------------------------------------- #tariffs #usa #manufacturing…
 
Larsio Paint Music for Adafruit Fruit Jam demo 1 An homage to SNES Mario Paint Music written in CircuitPython with HDMI, mouse, and I2S DAC. Fruit Jam coming soon, sign up here: https://www.adafruit.com/product/6200 Visit the Adafruit shop online - http://www.adafruit.com ----------------------------------------- LIVE CHAT IS HERE! http://adafru.it/discord Subscribe to Adafruit on YouTube: http://adafru.it/subscribe New tutorials on the Adafruit Learning System: http://learn.adafruit.com/ -----------------------------------------…
 
#newproducts JP’s Product Pick of the Week 4/8/25 1.28" 240x240 Round TFT LCD Display w MicroSD - GC9A01A w EYESPI Connector https://www.adafruit.com/product/6178 Visit the Adafruit shop online - http://www.adafruit.com ----------------------------------------- LIVE CHAT IS HERE! http://adafru.it/discord Subscribe to Adafruit on YouTube: http://adafru.it/subscribe New tutorials on the Adafruit Learning System: http://learn.adafruit.com/ -----------------------------------------…
 
#newproducts JP’s Product Pick of the Week 4/8/25 1.28" 240x240 Round TFT LCD Display w MicroSD - GC9A01A w EYESPI Connector https://www.adafruit.com/product/6178 Deep discount during livestream Visit the Adafruit shop online - http://www.adafruit.com ----------------------------------------- LIVE CHAT IS HERE! http://adafru.it/discord Adafruit on Instagram: https://www.instagram.com/adafruit Subscribe to Adafruit on YouTube: http://adafru.it/subscribe New tutorials on the Adafruit Learning System: http://learn.adafruit.com/ -----------------------------------------…
 
Build an internet-connected Asteroid Tracker. This tracker displays the asteroid name, date, predicted distance from the moon, predicted distance from Earth and impact percentage. Guide: https://learn.adafruit.com/asteroid-tracker Visit the Adafruit shop online - http://www.adafruit.com ----------------------------------------- LIVE CHAT IS HERE! http://adafru.it/discord Adafruit on Instagram: https://www.instagram.com/adafruit Shop for parts to build your own DIY projects http://adafru.it/3dprinting 3D Printing Projects Playlist: https://www.youtube.com/playlist?list=PLjF7R1fz_OOWD2dJNRIN46uhMCWvNOlbG 3D Hangout Show Playlist: https://www.youtube.com/playlist?list=PLjF7R1fz_OOVgpmWevin2slopw_A3-A8Y Layer by Layer CAD Tutorials Playlist: https://www.youtube.com/playlist?list=PLjF7R1fz_OOVsMp6nKnpjsXSQ45nxfORb Timelapse Tuesday Playlist: https://www.youtube.com/playlist?list=PLjF7R1fz_OOVagy3CktXsAAs4b153xpp_ Connect with Noe and Pedro on Social Media: Noe's Twitter / Instagram: @ecken Pedro's Twitter / Instagram: @videopixil ----------------------------------------- Visit the Adafruit shop online - http://www.adafruit.com/?utm_source=youtube&utm_medium=videodescrip&utm_campaign=3dprinting Subscribe to Adafruit on YouTube: http://adafru.it/subscribe Adafruit Monthly Deals & FREE Specials https://www.adafruit.com/free?utm_source=youtube&utm_medium=videodescrip&utm_campaign=3dprinting Join our weekly Show & Tell on G+ Hangouts On Air: http://adafru.it/showtell Watch our latest project videos: http://adafru.it/latest?utm_source=youtube&utm_medium=videodescrip&utm_campaign=3dprinting 3DThursday Posts: https://blog.adafruit.com/category/3d-printing?utm_source=youtube&utm_medium=videodescrip&utm_campaign=3dprinting New tutorials on the Adafruit Learning System: http://learn.adafruit.com/?utm_source=youtube&utm_medium=videodescrip&utm_campaign=3dprinting Music by Dan Q https://soundcloud.com/adafruit -----------------------------------------…
 
TARIFF TALK! WITH LADYADA 🌍🚢 - Join Ladyada as she breaks down how recent tariff shifts impact electronic component availability and pricing, reshoring trends, and what may happen to engineering/BOM and DIY project costs. Get the inside scoop on navigating supply chain challenges while keeping your builds affordable and excellent! All this week on ASK AN ENGINEER WEDS 8PM ET on all the socials. https://youtu.be/fVrmZe67Xcs Visit the Adafruit shop online - http://www.adafruit.com ----------------------------------------- LIVE CHAT IS HERE! http://adafru.it/discord Subscribe to Adafruit on YouTube: http://adafru.it/subscribe New tutorials on the Adafruit Learning System: http://learn.adafruit.com/ ----------------------------------------- #tariffs #usa #manufacturing…
 
Every week we'll 3D print designs from the community and showcase slicer settings, use cases and of course, Time-lapses! This Week: Minecraft Ghast By kirimba makerworld.com/en/models/1202599-minecraft-ghast-tentacles-articulated Bambu X1C Black White Grey PLA 2hr 40mins X:130 Y:111 Z:32mm .2mm layer / .4mm Nozzle 6% Infill / 1mm Retraction 200C / 60C 40g 230mm/s ----------------------------------------- LIVE CHAT IS HERE! http://adafru.it/discord Adafruit on Instagram: https://www.instagram.com/adafruit Shop for parts to build your own DIY projects http://adafru.it/3dprinting 3D Printing Projects Playlist: https://www.youtube.com/playlist?list=PLjF7R1fz_OOWD2dJNRIN46uhMCWvNOlbG 3D Hangout Show Playlist: https://www.youtube.com/playlist?list=PLjF7R1fz_OOVgpmWevin2slopw_A3-A8Y Layer by Layer CAD Tutorials Playlist: https://www.youtube.com/playlist?list=PLjF7R1fz_OOVsMp6nKnpjsXSQ45nxfORb Timelapse Tuesday Playlist: https://www.youtube.com/playlist?list=PLjF7R1fz_OOVagy3CktXsAAs4b153xpp_ Connect with Noe and Pedro on Social Media: Noe's Twitter / Instagram: @ecken Pedro's Twitter / Instagram: @videopixil ----------------------------------------- Visit the Adafruit shop online - http://www.adafruit.com/?utm_source=youtube&utm_medium=videodescrip&utm_campaign=3dprinting Subscribe to Adafruit on YouTube: http://adafru.it/subscribe Adafruit Monthly Deals & FREE Specials https://www.adafruit.com/free?utm_source=youtube&utm_medium=videodescrip&utm_campaign=3dprinting Join our weekly Show & Tell on G+ Hangouts On Air: http://adafru.it/showtell Watch our latest project videos: http://adafru.it/latest?utm_source=youtube&utm_medium=videodescrip&utm_campaign=3dprinting 3DThursday Posts: https://blog.adafruit.com/category/3d-printing?utm_source=youtube&utm_medium=videodescrip&utm_campaign=3dprinting New tutorials on the Adafruit Learning System: http://learn.adafruit.com/?utm_source=youtube&utm_medium=videodescrip&utm_campaign=3dprinting Music by Dan Q https://soundcloud.com/adafruit -----------------------------------------…
 
Notes document is available here, with timecodes: https://github.com/adafruit/adafruit-circuitpython-weekly-meeting/blob/main/2025/2025-04-07.md Join here for the chat all week: http://adafru.it/discord The CircuitPython Weekly normally is held at 2pm US ET/11am us PT on Mondays. Check the #circuitpython-dev channel on Discord for notices of change in time and links to past meetings. Meeting times are also available in iCal format using the following link: https://raw.githubusercontent.com/adafruit/adafruit-circuitpython-weekly-meeting/master/meeting.ical or view it in your browser: https://open-web-calendar.herokuapp.com/calendar.html?url=https://raw.githubusercontent.com/adafruit/adafruit-circuitpython-weekly-meeting/master/meeting.ical CircuitPython development is sponsored by Adafruit. Please support them by purchasing hardware from https://adafruit.com. Reminders: Podcast available on most services. Let us know if we’re missing some. Visit the Adafruit shop online - http://www.adafruit.com ----------------------------------------- LIVE CHAT IS HERE! http://adafru.it/discord Subscribe to Adafruit on YouTube: http://adafru.it/subscribe New tutorials on the Adafruit Learning System: http://learn.adafruit.com/ -----------------------------------------…
 
For our RP2350 Bones boards, we might not use the built-in DC/DC converter on some variants—and it's not required! We could use an external 1.1V regulator, if it can source 200mA. This affects low-power usage, but that might not be important in some cases. If we can source a tiny regulator, this could shave a bit of space off. See the chosen part on DigiKey https://www.digikey.com/short/h95z024d ----------------------------------------- Visit the Adafruit shop online - http://www.adafruit.com LIVE CHAT IS HERE! http://adafru.it/discord Subscribe to Adafruit on YouTube: http://adafru.it/subscribe New tutorials on the Adafruit Learning System: http://learn.adafruit.com/ -----------------------------------------…
 
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