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# CircuitPython Weekly for June 10th, 2019
Video is available here [on YouTube](https://youtu.be/JPNQX99cxws).
Join here for the chat all week: https://adafru.it/discord
The 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.
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.
## Community News
Discord now offers "server boosts" we have 4 on our server (level 1), if we get to 10 boosts we get a banner and some other good features for the community: 150 emojis, 256 Kbps audio, server banner, 50 mb uploads for all members. Stop by and boost! https://adafru.it/discord
Adafruit.io monthly is here! Adafruit IOT Monthly: Azure IoT meets CircuitPython, build an internet-connected wearable love pendant, and more! -
https://io.adafruit.com/blog/notebook/2019/06/06/iot-monthly-june/
Reminder 8/8 is CircuitPython day, a group asked if it was OK to have the event/etc. On that weekend, yep! 8/8 is a Thurs … Sat/Sun or any time is fine :)
ADABOX news, we have less than 50 openings left, we’re about to let the world know that, so if ya wanna join in, this is it - https://www.adabox.com
## 5:14 State of CircuitPython + Libraries
### 5:30 Overall
* 18 pull requests merged
* 15 authors - ntavish, baorepo, jardiamj, TG-Techie, jreese, C47D, anecdata, dhalbert, siddacious, tannewt, caternuson, elvis-epx, jasonlshelton, brentru, kattni
* 6 reviewers - makermelissa, tannewt, kattni, ladyada, sommersoft, brentru
* 9 closed issues by 8 people, 9 opened by 7 people
### 7:33 Core
* 7 pull requests merged
* 7 authors - ntavish, dhalbert, tannewt, baorepo, elvis-epx, jreese, C47D
* 2 reviewers - sommersoft, tannewt
* 7 open pull requests
* https://github.com/adafruit/circuitpython/pull/1932
* https://github.com/adafruit/circuitpython/pull/1931
* https://github.com/adafruit/circuitpython/pull/1925
* https://github.com/adafruit/circuitpython/pull/1858
* https://github.com/adafruit/circuitpython/pull/1845
* https://github.com/adafruit/circuitpython/pull/1363
* https://github.com/adafruit/circuitpython/pull/1274
* 3 closed issues by 3 people, 4 opened by 3 people
* 178 open issues
* https://github.com/adafruit/circuitpython/issues
* 5 active milestones
* 4.x - Features: 40 open issues
* 4.x.x - Bug fixes: 2 open issues
* 5.x: 2 open issues
* Libraries: 8 open issues
* Long term: 119 open issues
* 7 issues not assigned a milestone
Download stats by board:
| Board | 4.0.1 | 4.0.0-rc.3 |
| ----------------------------------------------|--------|-------------|
| arduino_mkr1300 | 2 | 1 |
| arduino_mkrzero | 8 | 1 |
| arduino_zero | 24 | 5 |
| bast_pro_mini_m0 | 0 | 2 |
| capablerobot_usbhub | 1 | 0 |
| catwan_usbstick | 4 | 0 |
| circuitplayground_express | 879 | 77 |
| circuitplayground_express_4h | 5 | 1 |
| circuitplayground_express_crickit | 53 | 5 |
| circuitplayground_express_digikey_pycon2019 | 2 | 3 |
| electronut_labs_papyr | 2 | 4 |
| escornabot_makech | 1 | 0 |
| feather_m0_adalogger | 61 | 10 |
| feather_m0_basic | 42 | 6 |
| feather_m0_express | 142 | 16 |
| feather_m0_express_crickit | 4 | 0 |
| feather_m0_rfm69 | 34 | 9 |
| feather_m0_rfm9x | 32 | 9 |
| feather_m4_express | 141 | 18 |
| feather_nrf52840_express | 36 | 6 |
| feather_radiofruit_zigbee | 2 | 0 |
| gemma_m0 | 87 | 8 |
| gemma_m0_pycon2018 | 3 | 0 |
| grandcentral_m4_express | 83 | 48 |
| hallowing_m0_express | 63 | 7 |
| itsybitsy_m0_express | 46 | 6 |
| itsybitsy_m4_express | 90 | 14 |
| kicksat-sprite | 0 | 0 |
| makerdiary_nrf52840_mdk | 2 | 0 |
| makerdiary_nrf52840_mdk_usb_dongle | 5 | 2 |
| meowmeow | 1 | 0 |
| metro_m0_express | 87 | 21 |
| metro_m4_airlift_lite | 30 | 9 |
| metro_m4_express | 87 | 27 |
| mini_sam_m4 | 4 | 0 |
| particle_argon | 9 | 0 |
| particle_boron | 6 | 1 |
| particle_xenon | 8 | 3 |
| pca10056 | 17 | 0 |
| pca10059 | 28 | 8 |
| pewpew10 | 0 | 0 |
| pewpew13 | 0 | 0 |
| pirkey_m0 | 2 | 0 |
| pybadge | 63 | 21 |
| pygamer | 67 | - |
| pyportal | 326 | 160 |
| robohatmm1 | 0 | 0 |
| sam32 | 0 | 0 |
| sparkfun_lumidrive | 3 | 1 |
| sparkfun_nrf52840_mini | 7 | 4 |
| sparkfun_redboard_turbo | 2 | 2 |
| sparkfun_samd21_dev | 0 | 1 |
| sparkfun_samd21_mini | 3 | 3 |
| trellis_m4_express | 79 | 39 |
| trinket_m0 | 248 | 29 |
| uchip | 0 | 1 |
| ugame10 | 3 | 1 |
| ----------------------------------------------|--------|-------------|
| Total | 2934 | 589 |
| ----------------------------------------------|--------|-------------|
Download stats by language:
| Board | 4.0.1 | 4.0.0-rc.3 |
| -----------------|--------|-------------|
| ID | 7 | 0 |
| de_DE | 55 | 5 |
| en_US | 2668 | 553 |
| en_x_pirate | 38 | 6 |
| es | 56 | 5 |
| fil | 2 | 0 |
| fr | 71 | 11 |
| it_IT | 8 | 2 |
| pl | 10 | 1 |
| pt_BR | 13 | 5 |
| zh_Latn_pinyin | 6 | 1 |
| -----------------|--------|-------------|
| Total | 2934 | 589 |
| -----------------|--------|-------------|
### 9:20 Libraries
* 11 pull requests merged
* 8 authors - jardiamj, TG-Techie, anecdata, siddacious, caternuson, jasonlshelton, brentru, kattni
* 5 reviewers - makermelissa, tannewt, kattni, ladyada, brentru
* 29 open pull requests
* https://github.com/adafruit/Adafruit_CircuitPython_SK9822/pull/2
* https://github.com/adafruit/Adafruit_CircuitPython_WS2801/pull/4
* https://github.com/adafruit/Adafruit_CircuitPython_GFX/pull/6
* https://github.com/adafruit/Adafruit_CircuitPython_Debouncer/pull/8
* https://github.com/adafruit/Adafruit_CircuitPython_DS18X20/pull/10
* https://github.com/adafruit/Adafruit_CircuitPython_BitbangIO/pull/1
* https://github.com/adafruit/Adafruit_CircuitPython_TLC59711/pull/5
* https://github.com/adafruit/Adafruit_CircuitPython_MAX31865/pull/9
* https://github.com/adafruit/Adafruit_CircuitPython_BME280/pull/26
* https://github.com/adafruit/Adafruit_CircuitPython_HT16K33/pull/37
* https://github.com/adafruit/Adafruit_CircuitPython_Fingerprint/pull/11
* https://github.com/adafruit/Adafruit_CircuitPython_framebuf/pull/14
* https://github.com/adafruit/Adafruit_CircuitPython_Hue/pull/6
* https://github.com/adafruit/Adafruit_CircuitPython_MIDI/pull/13
* https://github.com/adafruit/Adafruit_CircuitPython_AdafruitIO/pull/21
* https://github.com/adafruit/Adafruit_CircuitPython_AdafruitIO/pull/20
* https://github.com/adafruit/Adafruit_CircuitPython_LSM303/pull/11
* https://github.com/adafruit/Adafruit_CircuitPython_DotStar/pull/36
* https://github.com/adafruit/Adafruit_CircuitPython_DotStar/pull/35
* https://github.com/adafruit/Adafruit_CircuitPython_EPD/pull/23
* https://github.com/adafruit/Adafruit_CircuitPython_Bitmap_Font/pull/6
* https://github.com/adafruit/Adafruit_CircuitPython_BNO055/pull/30
* https://github.com/adafruit/Adafruit_CircuitPython_PyPortal/pull/39
* https://github.com/adafruit/Adafruit_CircuitPython_PyPortal/pull/34
* https://github.com/adafruit/Adafruit_CircuitPython_PyPortal/pull/20
* https://github.com/adafruit/Adafruit_CircuitPython_CircuitPlayground/pull/57
* https://github.com/adafruit/Adafruit_CircuitPython_CircuitPlayground/pull/51
* https://github.com/adafruit/Adafruit_CircuitPython_ESP32SPI/pull/45
* https://github.com/adafruit/Adafruit_CircuitPython_ESP32SPI/pull/29
* 6 closed issues by 6 people, 5 opened by 4 people
* 110 open issues
* https://circuitpython.org/libraries/contributing
### 11:16 Library updates in the last seven days:
**New Libraries**
* [Adafruit_CircuitPython_DS3502](https://github.com/adafruit/Adafruit_CircuitPython_DS3502)
**Updated Libraries**
* [Adafruit_CircuitPython_MCP230xx](https://github.com/adafruit/Adafruit_CircuitPython_MCP230xx)
* [Adafruit_CircuitPython_ADS1x15](https://github.com/adafruit/Adafruit_CircuitPython_ADS1x15)
* [Adafruit_CircuitPython_PyPortal](https://github.com/adafruit/Adafruit_CircuitPython_PyPortal)
* [Adafruit_CircuitPython_CircuitPlayground](https://github.com/adafruit/Adafruit_CircuitPython_CircuitPlayground)
* [Adafruit_CircuitPython_ESP32SPI](https://github.com/adafruit/Adafruit_CircuitPython_ESP32SPI)
## 11:53 Hug reports
20:06 @brentru
* Group hug this week
* @ladyada for assistance with SMD stenciling
@cater - Lurking
20:40 @charlesburnaford
* To people working on MCP9600
@dakotah.redstone - lurking
20:57 @danh
* @C47D for fixing WaveFile sampling rate issue
* @kevinjwalters for noting sampling rate issue, and helping out the community in the forums and discord
@DonK
* Group hug to all!
22:08 @iraytrace
* Thanks all for help and being such a great community to work with
22:17 @jerryn
* @adammccombs for responding to an urgent moderator plea and handling the situation.
* Thanks to Adafruit for making the new quad featherwing kits!
@kattni
* @siddacious for help with testing the alert pin on the MCP9600 and bearing with me through my first time using an oscilloscope
* @Roy for helping me break down an issue with the MCP9600 to being a fundamental issue with I2C vs a failure in the driver (which is what I assumed)
* @ladyada for figuring out that I was trying to reference 16 bits of a 24 bit register (but it didn’t matter in the end because clock stretching)
* @sommersoft for continuing the good fight with automating the updates for circuitpython.org/libraries
* @danh for finding the errata for the MCP9600 and figuring out it’s an issue with the chip. :shakes_fist:
@KingerNorth - Lurking
14:38 @MakerMelissa
* @dastels for the presentation using the PyBadge code I wrote.
* @cater for helping with some of the issues that cropped up.
* Group Hug to everyone for a great first week full time. There’s way too many small things to list.
@MikeBarela - Lurking
@Mr. Certainly - Lurking
15:13 @siddacious
* @kattni for slogging through the MCP9600 weirdness
* Group hug for everyone being awesome
15:42 @sommersoft
* Just an “I-am-so-unprepared” Group Hug!
* Everything is indeed awesome
16:00 @TammyMakesThings - Text only
* HR to adafruit for making the feather and neopixel featherwing to allow them to make a piece of animated Pride jewlery
16:23 @tannewt
* @cater, @deshipu, @sommersoft and @makermelissa for helping in #help-with-circuitpython
* Alejandro, pt, and andon for Discord nitro
* All mods for extra vigilance while we have pride logo. Thanks to lemon for the heads up.
* Pt for the animated pride logo - (this came from Discord user: Aperture)
* Jreese for the rst2pyi / `make stubs` PR
## 23:02 Status Updates
39:01 @brentru
* Last week:
* ESP32SPI got some mock-methods
* You can now use DigitalOut/PWMOut-like API methods with any board with an ESP32 attached.
* Useful for stuff like GPIO Expansion (smaller M4, less GPIOs exposed? Use an ESP32), twiddling bits, and more!
* CircuitPython_RGBLED released
* Super high level RGB LED manager, similar methods and compatibility with pre-existing NeoPixel library
* PWMOut objects, PCA-based PWM expander, SysFS PWMOut (Blinka, coral boards, orangepi, etc)
* This week:
* Early this week: Currently working on bringing up (physically) two new boards which we haven’t leaked yet
* Exposing the RGB LED work, within WiFi manager - useful for seeing the status of your HTTP requests on the AirLift FeatherWing, Breakout, etc.
* Giving our old RaspI/BBB + DHT guide blinka code, rework.
@cater - Lurking
40:24 @charlesburnaford
* Looking at revising keyboard code to use new 23017 library. Checking it out to try and address a few artifacts
* Playing around with an idea at work at the weather center, trying to use CircuitPython
@dakotah.redstone - Lurking
41:41 @danh
* Implementing BLE Scanner. Moved advertising parsing code to Python. Testing now.
* Then central and BLEHID
* Continuing to update BLE library and bleio.
@DonK - Lurking
43:19 @iraytrace
* Working with ssd1306 feather, there are a bunch of unexposed features that they’re investigating adding, like scrolling and partial updates.
* @tannewt says that some or all of those features are done or coming soon from displayio
* Working on a BNO05 VR app that would normally use bluetooth and instead is using an itsybitsy and BNO05
45:45 @jerryn
* Tested out some new Airlift Feather wings
* Added one to a Grand Central M4 -- nice test platform!
* The SPI WiFI Coprocessor is really working out well
* Still trying to find time to get back to BLE, LoRa and displayio projects
24:49 @kattni
* Last week:
* MCP9600 guide done
* Worked on MCP9600 CircuitPython driver - failure. The temperature byte is 24 bits, not the 16 I was attempting to read.
* Put aside MCP9600 CircuitPython driver until we can sort out the I2C incompatibility with CircuitPython itself
* Forum support
* Started wrap up blog post for PyCon
* Met with Microsoft interns regarding VSCode CPX simulator they’re working on - will be available as an advisor throughout the rest of their process. They’re two weeks in and it looks great!
* This week:
* Running CircuitPython weekly - finish up everything that goes with that
* Library Monday
* Forum support Tuesday/Thursday
* PyBadge/PyGamer general purpose wrapper library - PyBadger
* Finish up blog post for PyCon
* Start/finish second blog post
@KingerNorth - Lurking
30:21 @MakerMelissa
* Last Week:
* Finished Adding Orange Pi R1 to Orange Pi Guide
* Added Odroid C2 Support to Blinka
* Tested I2S microphone RPi guide on latest distro
* Exploring easier way to add I2S microphone to RPi
* Started handling more Arduino Issues/PRs and Forum Support
* This Week:
* Finish Odroid C2 Guide
* Add Dragonboard 410c Support to Blinka
* Start working on Dragonboard 410c Guide
* Working on starting a CircuitPython on Raspberry Pi Write-up
@MikeBarela - Lurking
@Mr. Certainly - lurking
31:56 @siddacious
* Neopixel strip connectors finished
* DS3502 drivers shipped
* LPS35HW guide shipped
* Working on bd3491FS rev b bringup and driver updates
* VCNL4040 arduino driver
* MAX3010x drivers
33:30 @sommersoft
* Last Week
* Adabot:
* Fixed “downloads by language” stats compilation
* Added “new & updated” libraries list to daily report
* circuitpython.org/libraries
* Fixed script typos. Now successfully runs the script. However…..github perms are blocking a direct commit push.
* RosiePi:
* Got the main “build and upload firmware on-demand, run tests” framework complete. For awesome log sample: https://gist.github.com/sommersoft/f975309ce1d187677f0efa36c19f91a8
* Running tests and interaction is in-work. Raw REPL is nice, but `tools/cpboard.py` implementation is a bit limiting at this point.
* Setup the bones of the dev environment for an accompanying RosiePi GitHub App.
* This Week:
* circuitpython.org/libraries:
* Either fall back to submitting a PR vs a direct commit, or iron out the perm issues.
* RosiePi:
* Work through some changes to `cpboard.py` or RosiePi-side interaction with Raw REPL, to run tests.
* Continue working on the GitHub App...or learning how to GitHub App rather. :D
36:17 @TammyMakesThings
* Writeup and code for the Feather and a NeoPixel at https://github.com/tammymakesthings/fw_neopixel_pride
* Designing a CircuitPython/Maxbotix LV-EZ4 sensor for my car to avoid running into the wall when I'm parking at home, because I have bad depth perception.
* Getting my first 3D printer this week, which I'm very excited about.
36:54 @tannewt
* Almost done with partial screen updates. Just one bug (hopefully) to track down.
* Will continue to work on gaming related things this week including gameboy.
## 46:55 In The Weeds
47:15 @jerryn - future plans of ATControl library/guide and Guide for ESP32 SPI Coprocessors
* Should we continue to support AT_control for Argon
* My recommendation - drop it - an Airlift featherwing on a Feather M4 is a much better approach.
* If we are going to keep it, should the library be updated as much as possible?
* @kattni says it will be left as is for now
* Should the guide be revised to focus on the ESP32SPI interface?
* @kattni sez no work is being done on revising it now, chances are the guide will be deprecated
* @brentu sez he can update the Airlift guide to add needed things from the ATContol guide. He will depreciate the old guide
51:42 @MakerMelissa
* Now that CircuitPython 4.0.1 stable is out, what is the plan for moving forward the rest of the displays to Displayio? (monochrome,eInk, etc)
* @tannewt doesn’t have concrete plans but would like to see it be done
* Need to figure out MIPI vs other command sets
* Also figure out pixel shader’s negotiation of what the final bit depth is
* eInk is tricky because it’s more like two one bit displays instead of a 2 bit display, makes things harder. May need parallel pixel shaders to handle outputting to the different “displays”
* Regarding scrolling
* Think of it like a large page/canvas with window that scrolls around it
* @tannewt: display memory maps are an additional wrinkle and some built in scrolling is one direction
* @tannewt and @makermelissa and others interested will work together on a plan
59:39 @charlesburnaford
* How to poll the interrupt pins on the MCP23017? - sommersoft answered
## 1:00:15 Wrap-Up