M5StackをMicroPythonで遊ぼう

Transcript

1. 1.

   M5Stack+MicroPython M5StackΛMicroPythonͰ༡΅͏ 2018-05-19 PyCon mini Osaka @mitszo

2. 2.

   M5StackΛMicroPythonͰ༡΅͏ ΞδΣϯμ ▸ ࣗݾ঺հ
   ▸ .4UBDLͷ঺հ
   ▸ .JDSP1ZUIPOʹ͍ͭͯ
   ▸ .4UBDLͷ։ൃ؀ڥ
   

   ▸ .4UBDLͷ.JDSP1ZUIPO؀ڥ
3. 3.

   M5StackΛMicroPythonͰ༡΅͏ ࣗݾ঺հ ▸ ࠓ௡ॆਖ਼ʢ͍·ͮΈͭ·͞ʣ
   !NJUT[P
   ▸ גࣜձࣾεΠοναΠΤϯεʢגࣜձࣾ-BCʣۈ຿
   ▸ ҹ࡮԰Ͱ%51
   ˠ
   डୗ։ൃձࣾ
   ˠ
   3"%*64ϝʔΧʔ
   ˠ
   ݱ৬
   ▸ ओʹϚωδϝϯτɺ࣌ʑίʔυ
   

   ▸ 1ZUIPO͞ΘΓ࢝Ίͨͷ͸͋ͨΓ͔Β
   ▸ ϋʔυ΢ΣΞ͸ڵຯ͋Δ͚Ͳॳ৺ऀϨϕϧ
4. 4.

   M5StackΛMicroPythonͰ༡΅͏ ࠷ۙͷ͓࢓ࣄ

5. 5.

   M5StackΛMicroPythonͰ༡΅͏ ࠷ۙͷ͓࢓ࣄ

6. 6.

   M5StackΛMicroPythonͰ༡΅͏ ࠷ۙͷ͓࢓ࣄ https://www.switch-science.com/catalog/3800/

7. 7.

   M5Stack

8. 8.

   M5Stack M5Stack ▸ )PNFQBHF
   IUUQTXXXNTUBDLDPN
   ▸ UXJUUFS
   
   !.4UBDL
   ▸ (JU)VC
   IUUQTHJUIVCDPNNTUBDL

9. 9.

   M5Stack M5Stack ͷಛ௃

10. 10.

    M5Stack M5Stack ͷಛ௃ ▸ σΟεϓϨΠ෇͖
    ▸ ࠷ॳ͔ΒέʔεʹೖͬͯΔ
    ▸ ๛෋ͳ*0ͱωοτϫʔΫ
    ▸

    1ZUIPOΛ஌ͬͯΕ͹ָ͠ΊΔ
11. 11.

    M5Stack M5Stack ͷಛ௃ ▸ ແઢ-"/ʢ()[ʣ
    ▸ #MVF5PPUI
    ▸ 
    Y
    
    -$%
    ▸

    όοςϦʔ
    ▸ Ϙλϯ
    ▸ εϐʔΧʔ
    ▸ *4
    
    ▸ NJDSP4%
    ▸ (307&ʢ*$ʣ
    ▸ 41*
12. 12.

    M5Stack M5Stack ͷ੡඼

13. 13.

    M5Stack ৽੡඼ M5Go ▸ IUUQCVZNHPNTUBDLDPN

14. 14.

    M5Stack εΠοναΠΤϯεͰചͬͯ·͢ʢએ఻ʣ ▸ IUUQTXXXTXJUDITDJFODFDPNDBUBMPHMJTU

15. 15.

    MicroPython

16. 16.

    MicroPython MicroPython ▸ IUUQNJDSPQZUIPOPSH
    ▸ ϚΠίϯ޲͚ͷ
    1ZUIPO
    
    ॲཧܥ
    ▸ ίϯύΠϥɺϥϯλΠϜɺ3&1-ΛؚΉ
    ▸ ϥΠϒϥϦ
    
    

    ▸ IUUQEPDTNJDSPQZUIPOPSHFOMBUFTUQZCPBSEMJCSBSZJOEFYIUNM
    ▸ ඪ४ϥΠϒϥϦʢ$1ZUIPOʣͷαϒηοτ
    ▸ lVzϥΠϒϥϦ
    ▸ .JDSP1ZUIPOϥΠϒϥϦ
    ▸ ର৅ϋʔυ΢ΣΞ༻ϥΠϒϥϦ
17. 17.

    MicroPython ϋʔυ΢ΣΞ ▸ QZCPBSE
    ▸ &41
    ▸ &41
    ▸ .JDSPCJU

18. 18.

    MicroPython CPythonͱͷҧ͍ ▸ .JDSP1ZUIPO
    EJ⒎FSFODFT
    GSPN
    $1ZUIPO
    ▸ γϯλοΫε
    ▸ ݴޠ࢓༷ʢΫϥεɾؔ਺ɾଞʣ
    ▸ ૊ΈࠐΈܕ
    

    ▸ Ϟδϡʔϧ
19. 19.

    MicroPython CPythonͱͷҧ͍ - γϯλοΫε ▸ ਺஋ϦςϥϧͱΩʔϫʔυͷؒʹεϖʔε͕ඞਢ >>> print(1or 0) 1

    >>> print(1or 0) Traceback (most recent call last): File "<stdin>", line 1 SyntaxError: invalid syntax for integer with base 10 MicroPython ʢM5Stack൛ʣ Python 3.6.4
20. 20.

    MicroPython CPythonͱͷҧ͍ - γϯλοΫε ▸ 6OJDPEF
    OBNF
    FTDBQF͕࢖͑ͳ͍ >>> print('\N{LATIN SMALL LETTER

    A}') a >>> print('\N{LATIN SMALL LETTER A}') NotImplementedError: unicode name escapes MicroPython ʢM5Stack൛ʣ Python 3.6.4
21. 21.

    MicroPython CPythonͱͷҧ͍ - ྫ֎νΣΠϯ ▸ ྫ֎νΣΠϯʢ1&1ʣ͕ະ࣮૷
    ▸ ྫ֎Ϋϥεʹ
    @@DBVTF@@
    ΍
    @@DPOUFYU@@
    ͕ͳ͍ɻ

22. 22.

    >> try: ... try: ... a = {}['a'] ... except

    KeyError as e1: ... raise ValueError() from e1 ... except ValueError as e2: ... print(type(e2.__cause__)) ... <class ‘KeyError'> MicroPython CPythonͱͷҧ͍ - ྫ֎νΣΠϯ Python 3.6.4
23. 23.

    >>> try: ... try: ... a = {}['a'] ... except

    KeyError as e1: ... raise ValueError() from e1 ... except ValueError as e2: ... print(type(e2.__cause__)) ... Warning: exception chaining not supported Traceback (most recent call last): File "<stdin>", line 7, in <module> File "<stdin>", line 7, in <module> AttributeError: 'ValueError' object has no attribute '__cause__' >>> e = Exception() >>> dir(e) ['__class__', 'args'] MicroPython CPythonͱͷҧ͍ - ྫ֎νΣΠϯ MicroPython ʢM5Stack൛ʣ
24. 24.

    MicroPython CPythonͱͷҧ͍ - ྫ֎ͷϢʔβʔଐੑ ▸ ྫ֎ΠϯελϯεʹϢʔβʔଐੑΛੜ΍ͤͳ͍ɻ

25. 25.

    >>> try: ... try: ... a = {}['a'] ... except

    KeyError as e1: ... e1.user_attribute = 'abc' ... raise e1 ... except Exception as e2: ... print(e2.user_attribute) ... abc MicroPython CPythonͱͷҧ͍ - ྫ֎ͷϢʔβʔଐੑ Python 3.6.4
26. 26.

    >>> try: ... try: ... a = {}['a'] ... except

    KeyError as e1: ... e1.user_attribute = 'abc' ... raise e1 ... except Exception as e2: ... print(e2.user_attribute) ... Traceback (most recent call last): File "<stdin>", line 8, in <module> File "<stdin>", line 8, in <module> AttributeError: 'AttributeError' object has no attribute 'user_attribute' MicroPython CPythonͱͷҧ͍ - ྫ֎ͷϢʔβʔଐੑ MicroPython ʢM5Stack൛ʣ
27. 27.

    MicroPython CPythonͱͷҧ͍ - ྫ֎ͦͷଞ ▸ XIJMFϧʔϓͷܧଓ৚݅Ͱྫ֎͕ൃੜͨ࣌͠ͷߦ൪߸ද͕ࣔ ҟͳΔɻ
    ▸ ϧʔϓϘσΟͷ຤ඌߦ͕Ϩϙʔτ͞ΕΔɻ
    ▸

    ྫ֎Ϋϥεʹ͸
    @@JOJU@@
    ϝιου͕ͳ͍ɻ
    ▸ ૊ΈࠐΈྫ֎ΫϥεͷαϒΫϥεԽͷαϙʔτ͕ෆ׬શɻ
28. 28.

    MicroPython CPythonͱͷҧ͍ - จࣈྻ ▸ TUSFOETXJUI
    ͰΠϯσοΫεࢦఆ͕࢖͑ͳ͍
    ▸ TUSGPSNBU
    Ͱଐੑࢦఆ͕࢖͑ͳ͍ >>> 'abc'.endswith('c',

    2) Traceback (most recent call last): File "<stdin>", line 1, in <module> NotImplementedError: start/end indices >>> '{a[0]}'.format(a=[1, 2]) Traceback (most recent call last): File "<stdin>", line 1, in <module> NotImplementedError: attributes not supported yet
29. 29.

    MicroPython CPythonͱͷҧ͍ - จࣈྻ ▸ TUSؔ਺ͰΩʔϫʔυҾ਺ࢦఆ͕Ͱ͖ͳ͍ >>> print(str(b'abc', encoding='utf-8')) Traceback

    (most recent call last): File "<stdin>", line 1, in <module> NotImplementedError: keyword argument(s) not yet implemented - use normal args instead >>> print(str(b'abc', 'utf-8')) abc
30. 30.

    MicroPython CPythonͱͷҧ͍ - จࣈྻ ▸ SKVTU
    MKVTU͕ະ࣮૷ɻ
    ▸ STQMJUͷୈҾ਺ʹ/POFΛࢦఆͰ͖ͳ͍ɻ
    ▸

    TUSͷαϒΫϥεͱTUSͷൺֱͷڍಈ͕ҟͳΔɻ
31. 31.

    MicroPython CPythonͱͷҧ͍ - εϥΠε ▸ CZUFBSSBZͰࠨลʹεϥΠεΛࢦఆͨ͠୅ೖ͕Ͱ͖ͳ͍
    ▸ CZUFT จࣈྻͷεϥΠεͰ
    TUFQ
    ࢦఆ͕Ͱ͖ͳ͍
    ▸

    MJTUͷ࡟আͰ
    TUFQ
    ࢦఆ͕Ͱ͖ͳ͍
    ▸ MJTUͷεϥΠε୅ೖͰ࢖͑Δͷ͸MJTU͔UVQMF >>> ba[0:1] = [1, 2] >>> print(b’123’[0:3:2]) >>> del lst[0:4:2] >>> lst[0:1] = range(4)
32. 32.

    MicroPython CPythonͱͷҧ͍ - jsonϞδϡʔϧ ▸ 4FSJBMJ[BCMF͡Όͳ͍ΦϒδΣΫτΛEVNQͯ͠΋5ZQF&SSPS ʹͳΒͳ͍ɻ

33. 33.

    MicroPython CPythonͱͷҧ͍ - jsonϞδϡʔϧ >>> import json >>> data =

    bytes(range(10)) >>> print(json.dumps(data)) Traceback (most recent call last): … TypeError: Object of type 'bytes' is not JSON serializable Python 3.6.4
34. 34.

    MicroPython CPythonͱͷҧ͍ - Ϟδϡʔϧ >>> import json >>> data =

    bytes(range(10)) >>> print(json.dumps(data)) "\u0000\u0001\u0002\u0003\u0004\u0005\u0006\u0007\u0008\t" MicroPython ʢM5Stack൛ʣ
35. 35.

    MicroPython CPythonͱͷҧ͍ ▸ ଞʹ΋͍Ζ͍Ζ
    ▸ IUUQEPDTNJDSPQZUIPOPSHFOMBUFTUQZCPBSE HFOSTUJOEFYIUNM

36. 36.

    MicroPython OSͷࢧԉ͕ͳ͍ ▸ ωοτϫʔΫ
    ▸ ωοτϫʔΫʹ઀ଓ͢Δͱ͜Ζ͔Β࢝·Δ
    ▸ ূ໌ॻ
    ▸ ূ໌ॻετΞ͕ͳ͍
    

    ▸ ࣌ࠁ
    ▸ ݱࡏ࣌ࠁΛ΋ͬͯͳ͍
    ▸ ϑΝΠϧγεςϜ
    ▸ Ϛ΢ϯτ͢Δͱ͜Ζ͔Β࢝·Δ
37. 37.

    ։ൃ؀ڥ M5Stack

38. 38.

    ։ൃ؀ڥ M5Stackͷ։ൃ؀ڥ ▸ "SEVJOP
    *%&
    ▸ &41
    "SEVJOP
    $PSF
    ▸ .4UBDL
    $MPVE
    ʢ.JDSP1ZUIPO
    8FC
    *%&ʣ
    ▸ .JDSP1ZUIPO
    ʢ0''-*/&ʣ

39. 39.

    ։ൃ؀ڥ M5Stackͷ։ൃ؀ڥ - Arduino IDE .4UBDL
    %PDVNFOUBUJPO
    1.
    64#υϥΠόΠϯετʔϧ
    2.
    "SEVJOP
    *%&ΛΠϯετʔϧ
    3.
    &41
    "SEVJOP
    $PSF
    ϥΠϒϥϦΠ ϯετʔϧ
    

    4.
    ϥΠϒϥϦϚωʔδϟͰ.4UBDL௥ Ճ
40. 40.

    ։ൃ؀ڥ M5Stackͷ։ൃ؀ڥ - M5Stack Cloud IUUQJPNTUBDLDPN
    1.
    ϑΝʔϜ΢ΣΞΛ.4UBDLʹॻ͖ ࠐΉ
    2.
    .4UBDLͷ8J'Jઃఆ
    3.
    .4UBDL
    $MPVEͰσόΠεొ࿥

41. 41.

    ։ൃ؀ڥ M5Stackͷ։ൃ؀ڥ - M5Stack Cloud ϑΝʔϜ΢ΣΞͷμ΢ϯϩʔυ
    IUUQTHJUIVCDPNNTUBDL.$MPVEUSFFNBTUFS pSNXBSFT

42. 42.

    ։ൃ؀ڥ M5Stackͷ։ൃ؀ڥ - M5Stack Cloud ϑΝʔϜ΢ΣΞͷॻ͖ࠐΈ
    IUUQTHJUIVCDPNFTQSFTTJGFTQUPPM
    ‣ FSBTF@qBTI
    ‣

    XSJUF@qBTI
43. 43.

    ։ൃ؀ڥ M5Stackͷ։ൃ؀ڥ - M5Stack Cloud 
    Wͷը໘දࣔ

44. 44.

    ։ൃ؀ڥ M5Stackͷ։ൃ؀ڥ - MicroPython 1.
    ϑΝʔϜ΢ΣΞΛ.4UBDLʹॻ͖ࠐΉ
    • IUUQTHJUIVCDPNNTUBDL.$MPVEUSFFNBTUFSpSNXBSFT0''-*/&
    2.
    1ZUIPOϑΝΠϧΛ.4UBDLʹॻ͖ࠐΉ

45. 45.

    ։ൃ؀ڥ M5Stackͷ։ൃ؀ڥ - MicroPython 1ZUIPOϑΝΠϧͷసૹʹ
    BEBGSVJUBNQZ
    Λ࢖͏
    ‣ IUUQTHJUIVCDPNBEBGSVJUBNQZ $ pip install

    adafruit-ampy
46. 46.

    ։ൃ؀ڥ M5Stackͷ։ൃ؀ڥ - MicroPython Usage: ampy [OPTIONS] COMMAND [ARGS]... ampy

    - Adafruit MicroPython Tool Ampy is a tool to control MicroPython boards over a serial connection. Using ampy you can manipulate files on the board's internal filesystem and even run scripts. Options: -p, --port PORT Name of serial port for connected board. [required] -b, --baud BAUD Baud rate for the serial connection. (default 115200) --help Show this message and exit. Commands: get Retrieve a file from the board. ls List contents of a directory on the board. put Put a file on the board. rm Remove a file from the board. run Run a script and print its output.
47. 47.

    ։ൃ؀ڥ M5Stackͷ։ൃ؀ڥ - MicroPython ؀ڥม਺
    ".1:@1035
    Λࢦఆ͓ͯ͘͠ͱָ $ ampy -p /dev/tty.SLAB_USBtoUART ls

48. 48.

    ։ൃ؀ڥ M5Stackͷ։ൃ؀ڥ - MicroPython $ sudo cu -s 115200 -l

    /dev/tty.SLAB_USBtoUART Connected. >>> from m5stack import lcd >>> lcd.print('Python!') >>> ΋ͪΖΜ3&1-΋࢖͑·͢
    .4UBDLΛ64#έʔϒϧͰ઀ଓͯ͠ɺ
49. 49.

    ϓϩάϥϛϯά M5Stack

50. 50.

    M5Stackϓϩάϥϛϯά ඞཁͳϑΝΠϧͱىಈॱ 1.
    CPPUQZ
    2.
    NBJOQZ
    .JDSP1ZUIPOͷυΩϡϝϯτͰ͸ɺ
    ‣ CPPUQZ
    ˠ
    ʢ64#
    DPOpHVSBUJPOʣ
    ˠ
    NBJOQZ
    ‣ ʮNJDSP4%͕ͬͯ͞͞Δ࣌͸ɺqBTIͱTEͲͪΒ͔Βىಈ ͢Δ͔બ΂Δ
    ˠ
    બ΂ͳͦ͞͏

51. 51.

    M5Stackϓϩάϥϛϯά boot.py ͱ main.py ͷ࢖͍෼͚ྫ ‣
    CPPUQZ
    ‣ ॳظԽ΍ಈ࡞ঢ়گΛ੔͑Δॲཧ
    ‣

    8J'Jͷ઀ଓ
    ‣ /51
    ‣
    NBJOQZ
    ‣ ओཁಈ࡞
52. 52.

    M5Stackϓϩάϥϛϯά boot.py ͱ main.py ͷ࢖͍෼͚ྫ ॱ൪͚֮ͩ͑ͯΕ͹͋Μ·Γؾ ʹ͠ͳ͍͍ͯ͘ͱ͓΋͍·͢

53. 53.

    M5Stackϓϩάϥϛϯά M5Cloud/examples/DigitalClock/

54. 54.

    M5Stackϓϩάϥϛϯά M5Cloud/examples/DigitalClock/

55. 55.

    M5Stackϓϩάϥϛϯά M5Cloud/examples/DigitalClock/clock.py from m5stack import * import time, _thread, machine

    def clock(): rtc = machine.RTC() print("Synchronize time from NTP server ...") lcd.println("Synchronize time from NTP server ...") rtc.ntp_sync(server="cn.ntp.org.cn") lcd.clear() lcd.setBrightness(200) lcd.font(lcd.FONT_7seg, fixedwidth=True, dist=16, width=2) while True: d = time.strftime("%Y-%m-%d", time.localtime()) t = time.strftime("%H:%M:%S", time.localtime()) lcd.print(d, lcd.CENTER, 50, lcd.ORANGE) lcd.print(t, lcd.CENTER, 130, lcd.ORANGE) time.sleep(1) _thread.start_new_thread('Clock', clock, ())
56. 56.

    M5Stackϓϩάϥϛϯά M5Cloud/examples/DigitalClock/main.py from m5stack import * import clock

57. 57.

    M5Stackϓϩάϥϛϯά Wi-Fi ʹ઀ଓ͢Δ ‣ ઀ଓ
    ˠ
    CPPUQZ
    ‣ ֬ೝ import network wlan

    = network.WLAN(network.STA_IF) wlan.active(True) wlan.connect(ssid, pwd) if wlan.isconnected(): …
58. 58.

    M5Stackϓϩάϥϛϯά Wi-Fi AP ΛεΩϟϯ ‣ εΩϟϯྫ
    ‣ >>> import network

    >>> wlan = network.WLAN(network.STA_IF) >>> for ap in wlan.scan(): ... print(ap) ... (b'ssid', b’\x10101010', 4, -84, 4, 'WPA_WPA2_PSK', False)
59. 59.

    M5Stackϓϩάϥϛϯά time(utime)Ϟδϡʔϧ >>> import time >>> time.localtime() (2018, 5, 12,

    21, 36, 42, 7, 132) >>> time.gmtime() (2018, 5, 12, 13, 36, 47, 7, 132) >>> time.strftime("%Y-%m-%d %H:%M:%S%z") '2018-05-12 13:37:13+0800’ >>> time.strftime("%Y-%m-%d %H:%M:%S%z", time.gmtime()) '2018-05-12 13:37:21+0000’ >>> time.strftime("%Y-%m-%d %H:%M:%S%z", time.localtime()) '2018-05-12 21:37:25+0000'
60. 60.

    λΠϜκʔϯΛࢦఆ M5Stackϓϩάϥϛϯά NTP rtc.ntp_sync("ntp.nict.jp", tz='JST-9')

61. 61.

    +45Ͱऔಘ M5Stackϓϩάϥϛϯά NTP >>> import time >>> time.localtime() (2018, 5,

    12, 23, 8, 31, 7, 132) >>> time.gmtime() (2018, 5, 12, 14, 8, 36, 7, 132) >>> time.strftime('%Y-%m-%d %H:%M:%S%z') '2018-05-12 14:08:50+0900' >>> time.strftime('%Y-%m-%d %H:%M:%S%z', time.gmtime()) '2018-05-12 14:08:57+0000' >>> time.strftime('%Y-%m-%d %H:%M:%S%z', time.localtime()) '2018-05-12 23:09:01+0000'
62. 62.

    M5Stackϓϩάϥϛϯά HTTP ΫϥΠΞϯτ

63. 63.

    M5Stackϓϩάϥϛϯά HTTP ΫϥΠΞϯτ ▸ VSFRVFTUT
    ▸ IUUQTHJUIVCDPNNJDSPQZUIPONJDSPQZUIPOMJC USFFNBTUFSVSFRVFTUT
    ▸ $1ZUIPOͷ
    SFRVFTUT
    ʹࣅͤͨ
    "1*ʢۃҰ෦ʣ

64. 64.

    M5Stackϓϩάϥϛϯά HTTP ΫϥΠΞϯτ - urequests ‣ (&5 >>> res =

    urequests.get('https://unkobtn.com/') >>> print(res.status_code) 200
65. 65.

    M5Stackϓϩάϥϛϯά HTTP ΫϥΠΞϯτ - urequests ‣ 1045 URL = ‘https://maker.ifttt.com/trigger/ev/with/key/..’

    r = urequests.post(URL, json={'value1': 'M5Stack'}, headers={'Content-Type': 'application/json'}, ) lcd.println(r.text)
66. 66.

    M5Stackϓϩάϥϛϯά HTTP ΫϥΠΞϯτ - urequests ▸ αʔόʔূ໌ॻΛݕূ͠ͳ͍

67. 67.

    M5Stackϓϩάϥϛϯά HTTP ΫϥΠΞϯτ - urequests ‣ $1ZUIPO
    ͷ
    SFRVFTUT
    ͷ৔߹ >>> requests.get('https://192.168.11.6:4433/hello') Traceback

    (most recent call last): ... requests.exceptions.SSLError: HTTPSConnectionPool(host='localhost', port=4433): Max retries exceeded with url: /hello (Caused by SSLError(SSLError(1, '[SSL: CER TIFICATE_VERIFY_FAILED] certificate verify failed (_ssl.c: 777)'),))
68. 68.

    M5Stackϓϩάϥϛϯά HTTP ΫϥΠΞϯτ - urequests ‣ $1ZUIPO
    ͷ
    SFRVFTUT
    Ͱ
    WFSJGZ'BMTF
    Λࢦఆͨ͠৔߹ >>> requests.get('https://192.168.11.6:4433/hello', verify=False)

    /Users/mitszo/.virtualenvs/py3w/lib/python3.6/site- packages/urllib3/connectionpo ol.py:858: InsecureRequestWarning: Unverified HTTPS request is being made. Addin g certificate verification is strongly advised. See: https://urllib3.readthedocs .io/en/latest/advanced-usage.html#ssl-warnings InsecureRequestWarning) <Response [200]>
69. 69.

    M5Stackϓϩάϥϛϯά HTTP ΫϥΠΞϯτ - urequests ‣ .JDSP1ZUIPOͷ৔߹ >>> import urequests

    >>> urequests.get('https://192.168.11.6:4433/hello') <Response object at 3ffcb9e0> >>> _.text 'Hello!\n'
70. 70.

    M5Stackϓϩάϥϛϯά HTTP ΫϥΠΞϯτ - urequests ‣ ࢀߟ
    "SEVJOP
    *%&ͷ৔߹ʢূ໌ॻͷࢦఆ͕ඞཁʣ const char* root_ca

    = \ "-----BEGIN CERTIFICATE-----\n" “MIIDxTCCAq2gAwIBAgIBADANBgkqhkiG9w0BAQsFADCBgzELMA...” void PostMessage() { http.begin(URL, root_ca); http.addHeader("Content-Type", "application/json; charset=utf-8"); String reqBody = "{\"value1\": \"M5Stack\"}"; int status_code = http.POST(reqBody); String body = http.getString() ...
71. 71.

    M5Stackϓϩάϥϛϯά Թ࣪౓ɾؾѹηϯαʔΛ࢖͏ ▸ .4UBDLͰηϯαʔσʔλʔΛ "NCJFOUʹૹΔ
    .JDSP1ZUIPOฤ ▸ #.&౥ࡌɹԹ࣪౓ɾؾѹ ηϯαϞδϡʔϧ

72. 72.

    M5Stackϓϩάϥϛϯά Թ࣪౓ɾؾѹηϯαʔΛ࢖͏ def main(): ntpsync() i2c = I2C(scl=Pin(22), sda=Pin(21)) bme

    = bme280.BME280(i2c=i2c) while True: lcd.font(lcd.FONT_DejaVu18) lcd.text(30, 30, utime.strftime( ‘%Y-%m-%d %H:%M:%S', utime.localtime())) lcd.font(lcd.FONT_DejaVu24) values = bme.values lcd.print(values[0], lcd.RIGHT, 80) lcd.print(values[1], lcd.RIGHT, 110) lcd.print(values[2], lcd.RIGHT, 140) utime.sleep(1)
73. 73.

    M5Stackϓϩάϥϛϯά λΠϜΧʔυελϯύʔ ▸ 8J'J઀ଓ
    ▸ /51ಉظ
    ▸ ࣌ܭදࣔ
    ▸ Ϙλϯԡͨ͠Β1045
    

    ▸ ௚ۙͷσʔλΛ(&5ͯ͠දࣔ
74. 74.

    ςΩετ M5Stack ϢʔβʔͷΈͳ͞Μ https://m5stack.connpass.com/event/84221/

75. 75.

    ͝੩ௌ͋Γ͕ͱ͏͍͟͝·ͨ͠