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# CircuitPython Weekly for July 13th, 2020
Welcome to the CircuitPython Weekly meeting notes! Feel free to add your Hug Reports and Status Updates early. During the meeting, we go through them as a round robin sorted by username. If you can’t make the meeting and would still like to participate, add your notes with a “(missing meeting)” after your username and we’ll read them off for you.
Add any longer-form discussion topics or general questions you have to the “In the weeds” section.
Thanks! We hope to see you in the meeting!
Video is available here [on YouTube](https://youtu.be/sbDt0nD5eaI).
Join here for the chat all week: http://adafru.it/discord
The CircuitPython Weekly happens normally at 2pm ET/11am PT on Mondays. Check the #circuitpython 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
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.
________________
## 3:24 Community News
CircuitPython day will be celebrated September 9. Stay tuned for more information, and let us know what you would like to see.
### Summer of Making
GitHub is working with Hack Club students to sponsor the Summer of Making. $50k in hardware will be given to teenage makers around the world. If you’re a teenager, tell them what you want to build this summer to get some electronics to support you! Need inspiration? Check out what hackers like @LambdAurora and Prithul are building - More Information.
A Wireless and USB-C Keyboard Powered by CircuitPython
### M60 Mechanical Keyboard
Makerdiary has developed a mechanical keyboard using the nRF52840 microcontroller to provide connectivity through USB-C and BLE 5.0 Bluetooth. And the keyboard runs using CircuitPython so it's fully customizable (just drop a new file onto the flash drive the board presents) - Makerdiary and GitHub.
### 5:00 The Adafruit Discord Server surpasses 22,000 members 22,098 THANKS
The Adafruit Discord community, where we do all our CircuitPython development in the open, reached over 22,000 humans in the last week! Thank you! Adafruit believes Discord offers a unique way for CircuitPython folks to connect. Join today at https://adafru.it/discord.
### 5:15 Build a Custom Animated LED Sign Assembly Animated LED Sign
Melissa demonstrates Part 1 of her Custom Animated RGB LED Scrolling Message Sign Series, covering the assembly of the sign and everything you need to do to build the hardware - YouTube.
### 5:28 Serpano, a CircuitPython Development Board for Breadboards
Serpano Serpano is a CircuitPython dev board designed for breadboards. It delivers 3.3V @ 2A and 5V @ 2A, an adjustable 1.8-12V @ 3A, current measurement, and a Feather-ish pinout. It can be powered from USB, a 4.5-12V DC jack, or a LiPo battery. Also includes a 1.3" 240x240 LCD for data visualization! - Twitter.
### 5:56 CircuitPython on Orange Crab
5:56 An update to CircuitPython being ported to the Orange Crab FPGA board. '14216 bytes used, 117426296 bytes free in RAM' - Twitter and GitHub.
### Blog Running on Solar Power
6:07 Louwrentius's blog now running on solar power. It uses a Raspberry Pi 3B+ with sensing provided by an Adafruit INA260 sensor read via the CircuitPython Blinka layer - Louwrentius.
### The CircuitPython Weekly Newsletter
6:23 The [CircuitPython Weekly Newsletter](https://www.adafruitdaily.com/category/circuitpython/) is a CircuitPython community-run newsletter emailed every Tuesday. The complete archives are here. It highlights the latest CircuitPython related news from around the web including Python and MicroPython developments. To contribute, edit next week's draft on GitHub and submit a pull request
________________
## 7:06 State of CircuitPython, Libraries and Blinka
### 7:38 Overall
* 45 pull requests merged
* 12 authors - martymcguire, hierophect, tannewt, deshipu, dherrada, dunkmann00, rhooper, jepler, arms22, Arudinne, makermelissa, kmatch98
* 9 reviewers - ladyada, hierophect, kattni, tannewt, dherrada, dhalbert, siddacious, makermelissa, FoamyGuy
* 22 closed issues by 13 people, 12 opened by 11 people
### 10:09 Core
* 10 pull requests merged
* 7 authors - rhooper, dunkmann00, jepler, arms22, hierophect, Arudinne, deshipu
* 3 reviewers - tannewt, hierophect, dhalbert
* 17 open pull requests
* https://github.com/adafruit/circuitpython/pull/2780 (Open 85 days)
* https://github.com/adafruit/circuitpython/pull/2879 (Open 61 days)
* https://github.com/adafruit/circuitpython/pull/2914 (Open 56 days)
* https://github.com/adafruit/circuitpython/pull/2966 (Open 45 days)
* https://github.com/adafruit/circuitpython/pull/2985 (Open 41 days)
* https://github.com/adafruit/circuitpython/pull/3003 (Open 38 days)
* https://github.com/adafruit/circuitpython/pull/3044 (Open 25 days)
* https://github.com/adafruit/circuitpython/pull/3061 (Open 19 days)
* https://github.com/adafruit/circuitpython/pull/3101 (Open 10 days)
* https://github.com/adafruit/circuitpython/pull/3099 (Open 10 days)
* https://github.com/adafruit/circuitpython/pull/3107 (Open 9 days)
* https://github.com/adafruit/circuitpython/pull/3131 (Open 3 days)
* https://github.com/adafruit/circuitpython/pull/3130 (Open 3 days)
* https://github.com/adafruit/circuitpython/pull/3136 (Open 2 days)
* https://github.com/adafruit/circuitpython/pull/3144 (Open 1 days)
* https://github.com/adafruit/circuitpython/pull/3143 (Open 1 days)
* https://github.com/adafruit/circuitpython/pull/3141 (Open 1 days)
* 5 closed issues by 3 people, 3 opened by 3 people
* 322 open issues
* https://github.com/adafruit/circuitpython/issues
* 7 active milestones
* 5.x.0 - Features: 11 open issues
* 5.x.x - Bug Fixes: 28 open issues
* 6.0.0: 10 open issues
* 7.0.0: 1 open issues
* Libraries: 11 open issues
* Long term: 252 open issues
* Support: 4 open issues
* 5 issues not assigned a milestone
* Core download stats available at https://circuitpython.org/stats
### 13:00 Libraries
* 34 pull requests merged
* 6 authors - dunkmann00, rhooper, martymcguire, tannewt, kmatch98, dherrada
* 8 reviewers - ladyada, kattni, tannewt, dherrada, dhalbert, siddacious, makermelissa, FoamyGuy
* Merged pull requests:
* https://github.com/adafruit/Adafruit_CircuitPython_ESP32SPI/pull/88 (Days open: 157)
* https://github.com/adafruit/Adafruit_CircuitPython_ESP32SPI/pull/29 (Days open: 119)
* https://github.com/adafruit/Adafruit_CircuitPython_ImageLoad/pull/34 (Days open: 8)
* https://github.com/adafruit/Adafruit_CircuitPython_BNO055/pull/50 (Days open: 7)
* https://github.com/adafruit/Adafruit_CircuitPython_Display_Text/pull/59 (Days open: 6)
* https://github.com/adafruit/Adafruit_CircuitPython_Pypixelbuf/pull/21 (Days open: 4)
* https://github.com/adafruit/Adafruit_CircuitPython_miniesptool/pull/21 (Days open: 3)
* https://github.com/adafruit/Adafruit_CircuitPython_Pypixelbuf/pull/23 (Days open: 2)
* https://github.com/adafruit/Adafruit_CircuitPython_74HC595/pull/13 (Days open: 1)
* https://github.com/adafruit/Adafruit_CircuitPython_AdafruitIO/pull/39 (Days open: 1)
* https://github.com/adafruit/Adafruit_CircuitPython_ADT7410/pull/12 (Days open: 1)
* https://github.com/adafruit/Adafruit_CircuitPython_ADXL34x/pull/24 (Days open: 1)
* https://github.com/adafruit/Adafruit_CircuitPython_AHTx0/pull/2 (Days open: 1)
* https://github.com/adafruit/Adafruit_CircuitPython_Pypixelbuf/pull/24 (Days open: 1)
* https://github.com/adafruit/Adafruit_CircuitPython_Display_Text/pull/66 (Days open: 1)
* https://github.com/adafruit/Adafruit_CircuitPython_Display_Text/pull/64 (Days open: 1)
* https://github.com/adafruit/Adafruit_CircuitPython_PCT2075/pull/11 (Days open: 1)
* https://github.com/adafruit/Adafruit_CircuitPython_RA8875/pull/22 (Days open: 1)
* https://github.com/adafruit/Adafruit_CircuitPython_PCF8523/pull/18 (Days open: 1)
* https://github.com/adafruit/Adafruit_CircuitPython_RGBLED/pull/12 (Days open: 1)
* https://github.com/adafruit/Adafruit_CircuitPython_Display_Notification/pull/6 (Days open: 1)
* https://github.com/adafruit/Adafruit_CircuitPython_CLUE/pull/31 (Days open: 1)
* https://github.com/adafruit/Adafruit_CircuitPython_GFX/pull/18 (Days open: 1)
* https://github.com/adafruit/Adafruit_CircuitPython_BLE_Heart_Rate/pull/10 (Days open: 1)
* https://github.com/adafruit/Adafruit_CircuitPython_BLE_iBBQ/pull/3 (Days open: 1)
* https://github.com/adafruit/Adafruit_CircuitPython_BLE_MIDI/pull/4 (Days open: 1)
* https://github.com/adafruit/Adafruit_CircuitPython_BLE_Cycling_Speed_and_Cadence/pull/5 (Days open: 1)
* https://github.com/adafruit/Adafruit_CircuitPython_BLE_Adafruit/pull/5 (Days open: 1)
* https://github.com/adafruit/Adafruit_CircuitPython_BLE_Apple_Media/pull/7 (Days open: 1)
* https://github.com/adafruit/Adafruit_CircuitPython_BLE_Apple_Notification_Center/pull/10 (Days open: 1)
* https://github.com/adafruit/Adafruit_CircuitPython_FancyLED/pull/21 (Days open: 1)
* https://github.com/adafruit/Adafruit_CircuitPython_CharLCD/pull/48 (Days open: 1)
* https://github.com/adafruit/Adafruit_CircuitPython_BLE_BroadcastNet/pull/12 (Days open: 1)
* https://github.com/adafruit/Adafruit_CircuitPython_LED_Animation/pull/60 (Days open: 1)
* 15 closed issues by 10 people, 8 opened by 7 people
* https://circuitpython.org/contributing
* 165 open issues
* 4 good first issues
* 33 open pull requests (Oldest: 552, Newest: 1)
Library updates in the last seven days:
* (too many to list)
### 15:40 Blinka
* 1 pull requests merged
* 1 authors - makermelissa
* 1 reviewers - kattni
* 2 open pull requests
* https://github.com/adafruit/Adafruit_Blinka/pull/304 (Open 34 days)
* https://github.com/adafruit/Adafruit_Blinka/pull/316 (Open 2 days)
* 2 closed issues by 2 people, 1 opened by 1 people
* 24 open issues
* https://github.com/adafruit/Adafruit_Blinka/issues
* PyPI Downloads in the last week: 3937
Number of supported boards: 52
## 16:32 Hug reports
17:12 @jepler
* Group hug
* Kattni for getting me up to speed to run this meeting, and for being there to dive in as necessary
17:23 @jerryn
* Group Hug
17:35 @kattni
* @jepler for running his first meeting.
* @fede2 for continuing guide translations - currently working on Circuit Playground Express guide.
* @makermelissa for helping me test PWM on Blinka and quickly fixing a bug I found.
* @madbodger for verifying my LED wiring diagram.
* @community moderators for continuing to handle everything coming our way - the Adafruit community wouldn’t be the safe, welcoming place it is without this team. Any one of us alone would have burned out spectacularly by now, but we have the support of a team.
19:35 @kmatch98 text only
* Thanks to maker Melissa for her patience and debug support and foamyguy for coding heavy lifting and kjw for support in updates to label.py in adafruit_display_text.
20:10 @stargirl (offline)
* Hugs to CircuitPython maintainers for having a codebase that’s relatively readable. :)
20:25 @MakerMelissa
* @cater for looking into some issue regarding the FT232H
* @kmatch98 with persisting on fixing Display Text. It seems to be working perfectly now.
* @kattni for handling adding a PWM section to the Raspberry Pi guide
* @kattni for finding a bug with PWMOut on Blinka
* @fede2 for putting together the Election Calendar project
* Group Hug
@Mr. Certainly [lurking]
*
21:04 @tannewt
* @stargirl for her first ban. Thanks for joining the mod team!
* @kattni for documenting how to run the meeting and onboarding Jeff. @jepler for running the meeting
* @GregDavill for the help getting CircuitPython going on the OrangeCrab. Need to look into it further.
* @fede2 for the ElectionCal learn guide and @MakerMelissa for the remake.
* Erin, felice and patrick for help with ElectionCal data.
@anecdata (lurking)
@anneb (lurking)
22:38 @brentru
* @tannewt for advice, eyes, and new ideas for a project i'm working on
* Group hug
22:55 @CGrover (text only)
* @jepler for his work on the ulab learning guide. It’s an excellent guide for the newbee (me).
* Group hug for the team and community.
23:12 @charlesburnaford
* Group hugl
23:21 @danh
* @riggs (GitHub) for pointing out an error in how we did SPIM3 on nRF52840.
* @kjw for continued testing and bug finding.
* @jerryn for sending me some spare hardware I can use.
@davep (lurking)
24:29 @DavidGlaude (lurking)
* @tannewt for the Deep Dive w/Scott -CircuitPython networking APIs
* @makermelissa for the displayio on Blinka and other Mini PiTFT learn guide
@deshipu (lurking)
@fede2 (lurking)
24:48 @foamyguy
* Tannewt for the weekly deep dives
* @kmatch98 for continued work on fixing display_text issues as they pop up
* @jerryn for the work on RFM9x especially send/receive with Ack
* @dherrada for automating the readme discord link fixing
* @group hug
25:37 @Hierophect
* Scott and dahanzimin for their help in attempting to get me on wechat. Sadly I am apparently suspicious and am perhaps banned forever but their efforts were greatly appreciated.
* Jeff Epler for helping me walk through the RGBMatrix code and his reviews
* PaintYourDragon for review help as well
* IKEA for making handy furniture
## 27:05 Status Updates
27:45 @jepler
* Last week: Background tasks & ticks
* This week: More of the same -- hopefully in the home stretch
* Running this meeting :)
28:35 @jerryn
* What happened to that week! -- nothing notable to report.
* Next week -- I have no idea...
28:13 @kattni
* Last week:
* Updated board files on GitHub for the TXB0104
* Created PCF8591 Fritzing
* Updated BH1750 fritzing with product copy
* Mostly finished up the guide to running the CircuitPython Weekly meeting
* Started the guide for the PMSA300I, fritzing created, PCB files uploaded.
* Ordered PMSA300I
* Got @fede2 started with translating the Circuit Playground Express guide - this one is huge and includes mirrored pages from other guides, so he’ll begin by translating the MakeCode for CPX guide first, then move on to beginning the CPX Guide proper.
* Removed the PyPortal library from PyPI - I had done most of the work already, but had neglected to delete the project from PyPI. Resolved.
* Verified I have the PM2.5 Air Quality sensor
* Updated the BMP280 guide with the STEMMA QT version
* Wrote up the Welcome blurb for the Adafruit Discord server, got it proofed by the team, it’s basically ready to go.
* This week:
* Create @imitationkattni Discord account and join the Adafruit server to verify what that experience looks like so we can deploy the Welcome channel appropriately, and verify our upcoming Welcome screen.
* Setup Welcome screen on Adafruit Discord server to point people to a few key channels with a little more detail as to what we’re about.
* Update CircuitPython on Linux and Raspberry Pi guide with PWMOut now supported by Blinka, to pulse an LED and control a servo.
* Update the CircuitPython Servo guide to mention Raspberry Pi as it is now supported.
* Once I receive the PSMA300I, finish guide.
* Update PM2.5 guide to use fancy new library - potentially reusing content from PMSA300I (same code).
* Figure out how to update the Contributing to Git and GitHub guide to have references to `main` default branch, while still including `master` until we have moved the entire project over - this will take some consideration.
* Once Git/Hub guide is updated, move a few highly trafficked CircuitPython libraries from `master` to `main` default branch.
* Create accounts needed to start getting PyPI download stats again.
* Help a community member with submitting a library to the community bundle.
34:27 @kmatch98 text only
Last week
* Bug fixes and updates to adafruit_display_text (label.py) to eliminate zero-sized tileGrids and provide memory-reduced option when background color is absent.
This week
* Need to update Sparkline library per foamyguy recommendations
Other projects
* Demo rev1 mechanical seven segment numerical display.
34:58 @MakerMelissa
* Last Week:
* Finished writing Blinka Displayio/PyPortal library guide
* Built the Election Calendar project on Raspberry Pi and wrote up a blog post
* Fixed bug in Blinka related to PWM and Duty Cycle that Kattni found
* Fixed Arduino ImageReader eInk 1-bit per pixel Bitmap displaying
* Started working on a couple of eInk Bonnet guides
* Fixed a header name issue with the Learn Guide Repo
* This week
* Finish up writing EInk Bonnet guides
@Mr. Certainly [lurking]
35:51 @stargirl (offline)
* Wrote a blog post about how to set up the ADC on the SAMD21 from scratch.
36:01 @tannewt
* Added json.load support for any object with readinto.
* Made good progress on ESP32SPI re-organization. Need to debug why it’s not working to load a webpage.
* Will disable existing native networking APIs
* May start native Wifi and socketpool APIs if re-org is tiresome.
@anecdata (lurking)
@anneb (lurking)
38:27 @brentru
* LW:
* Updated MiniMQTT for compatibility with CPython sockets
* Might still have some things to implement which reduce amount of buffers we create in the library
* Slowly working thru a bug in minimqtt which doesn't allow you to send large files like images, not sure what the problem is.
* TW:
* Spending today looking at Jinja templating to generate code.py files
* Starting with blink.py to get the hang of jinja and flask
* Hopefully will have something interesting/working by wednesday’s S&T
39:43 @CGrover (text only)
* Had a breakthrough with the automated Eurorack module cable detection scheme. The stable prototype is on the bench and working! It can detect up to eight attached TS input cables (with or without a signal) in less than 1ms. Converting the code to a library to make it easier to use. A new RangeSlicer PCB design for the module is in the works as a result.
* Trying to digest more of ulab’s capabilities. Have a couple of EuroClue ideas that will depend on me getting over a hurdle or two, particularly involving FFT functions. May need a brain transplant.
@charlesburnaford (lurking)
40:33 @danh
* Continuing work on HCI version of _bleio. Just started testing advertising.
* Looked into various bootloader trouble reports.
@davep (lurking)
41:50 @DavidGlaude
Last week:
* Testing PMS5003 comparing behaviour with the learn guide code, with the Adafruit_CircuitPython_PM25 and with Pimoroni library. Raising issues, suggesting change, … contacting Limor and Phil (Gadgetoid).
* Recovered my Mini PiTFT 240x240 and started trying to run Gizmo or CLUE exemple code on it. Those have in common the same 240x240, 2 buttons and BLE… so the more or less the same code could run on those three.
@deshipu (lurking)
43:50 @fede2 (lurking)
Last week: es translation at 100%
This week: Testing new json lib from @tannewt.
Slowly learning, hoping to review one day
44:11 @foamyguy
Last week
* Testing a few display_text PRs
* Gorillas game is now playable for 2 players on 1 device. Started on RF version.
* Add Pybadger library support for CPB + Gizmo
* First time setting up MySQL. Done to test an example that shows how to use Blinka to pull data from sensor and store in DB
* Help find and fix invalid discord links in readme files
This week
* Work on 2 player wireless functionality for Gorillas game
* Work on PyBadger support for Hallowing M4
* Solder and learn to use RTC Breakout
* Play with ESP32-S2!
46:21 @hierophect
* Last week:
* Kind of a slow week because of moving stuff.
* Worked on my timer allocator
* Rewrote some RGBMatrix code to fit timer allocator
* Identified a regression in the main branch for PulseIO that may have been caused by the low power feature
* Next week
* Hopefully wrap up all this timer nonsense with finished PRs to both RGBMatrix and Circuitpython
* Add timer support to the H7 and F7
* Add RotaryIO, which should be fairly trivial with the new timer system
* Evaluate priorities after that - probably a mix of bugfixes and ESP32-S2
## 48:40 In The Weeds
@David.Glaude (present but mic not checked… can be done without me or next week if it fail):
* Suggestion to do something similar to https://pinout.xyz/ (for Raspberry Pi) but for FeatherWing. Trying to centralise pin usage and possible compatibility issues between various FeatherWing and Feather. @Gadgetoid is one of the actors behind pinout.xyz and this work is independent from Pimoroni he works for. I believe the site is mostly static to reduce hosting cost and is open source (except the some graphic) where board makers can contribute via GitHub. Compatibility check: https://pinout.xyz/phatstack
* 56:06 Discuss partially supported board on CircuitPython.org (part of issue https://github.com/adafruit/circuitpython-org/issues/501)
## 1:00:06 Wrap-Up