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Tips for ESP32 board beginners
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Shingo Fukui
November 27, 2018
Programming
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790
Tips for ESP32 board beginners
obniz×M5Stack×NefryBT三つ巴Meetup!【ESP32開発ボードLT祭】
の発表資料
Shingo Fukui
November 27, 2018
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Transcript
COPYRIGHT ©2018 SHINGO FUKUI ʮΘʔ͍ɺαϯϓϧϓϩάϥϜ͕ಈ͍ͨʂʯ ͷ࣍ʹਐΉͨΊͷ౾ࣝ 201811݄27 obniz×M5Stack×NefryBTࡾͭMeetup! ʲESP32։ൃϘʔυLTࡇʳ Ҫ
ᚸޗ
COPYRIGHT ©2018 SHINGO FUKUI ࣗݾհ Ҫᚸޗ @SilkAndTikit ιϑτΣΞΤϯδχΞʢJava, JavaScript, …ʣ
IoTͷษڧΛ࢝Ίͯ̏ܦա 2 IoTϋϯζΦϯ։࠵ ࣗಈਫΓػ৬ਓ https://iot-gym.connpass.com
COPYRIGHT ©2018 SHINGO FUKUI αϯϓϧϓϩάϥϜΛಈ͔͢ͷ؆୯ʂ ྫɿM5GO IoT Starter Kit ίωΫλʔͷ৭Λ߹Θͤͯܨ͙͚ͩ
3
COPYRIGHT ©2018 SHINGO FUKUI ެࣜҎ֎ͷ෦Λܨ͝͏ͱ͢Δͱ ྫɿGroveαʔϘϞʔλΛM5GOʹܨ͙ 4 A,B,CͷͲ͜ʹܨ͙ʁ ͳͥͦ͜ͳͷʁ ଞμϝͳͷʁ
ϓϩάϥϜͰͷPIN൪߸ ԿΛࢦఆ͢Δʁ
COPYRIGHT ©2018 SHINGO FUKUI ϐϯ൪߸ͱػೳͷؔ 5
COPYRIGHT ©2018 SHINGO FUKUI υΩϡϝϯτΛݟͯΈΔͱ M5GOͷ߹ 6
COPYRIGHT ©2018 SHINGO FUKUI υΩϡϝϯτΛݟͯΈΔͱ Nefry-BTͷ߹ 7 ɿ্ਤҪ͕࡞ͨ͠ਤͰ͢ɻNefry-BT R3ͷใͰ͢
COPYRIGHT ©2018 SHINGO FUKUI ESP32͕࣋ͭػೳͱGroveϐϯͷؔ σδλϧೖྗɾग़ྗ Ξφϩάೖྗɾग़ྗ PWM(Pulse Width Modulation)
I2C SPI UART ɹɹɾɾɾ 8 ICνοϓͷϐϯ Groveϐϯ ػೳׂΓͯʢՄมʣ ݻఆଓ G21
COPYRIGHT ©2018 SHINGO FUKUI ESP32ͷϐϯͷػೳׂΓͯ 9 http://wiki.ai-thinker.com/_media/esp32/docs/esp32_chip_pin_list_en.pdf
COPYRIGHT ©2018 SHINGO FUKUI ྫ͑ 10 PORT໊ PIN൪߸ ೖग़ྗ σϑΥϧτػೳ
PORT A 21 ೖྗɾग़ྗ I2C SDA 22 ೖྗɾग़ྗ I2C SCL PORT B 26 ೖྗɾग़ྗ 36 ೖྗͷΈ PORT C 16 ೖྗɾग़ྗ UART RXD ? 17 ೖྗɾग़ྗ UART TXD ?
COPYRIGHT ©2018 SHINGO FUKUI σόΠεͷΈΛཧղ͢Δ 11
COPYRIGHT ©2018 SHINGO FUKUI ྫɿobnizͷαʔϘϞʔλʔϥΠϒϥϦ ճస֯Λࢦఆ͢Δؔ ύϥϝʔλઃఆ༻ม 12 ɾͱΓ͋͑ͣಈ࡞ͤ͞Δ͚ͩͳΒangle( )ͰOK
ɾಈ࡞ͷਫ਼Λ্͛ΔʹrangeͷΛมߋ ɾͦͷҙຯΛཧղ͢ΔʹαʔϘϞʔλͷ੍ޚํࣜͷཧղ͕ඞཁ
COPYRIGHT ©2018 SHINGO FUKUI αʔϘϞʔλͷ੍ޚํࣜ ճసൣғ180 पظ 50Hzʢ20msʣ ύϧε෯ 0°:
600μs 90°: 1,500μs 180°: 2,400μs Tower Pro SG92Rͷ߹ ύϧε෯ͷͰճస֯Λ੍ޚ͢Δ
COPYRIGHT ©2018 SHINGO FUKUI ใೖखઌ 14
COPYRIGHT ©2018 SHINGO FUKUI ESP32 ݩͷυΩϡϝϯτ https://www.espressif.com/en/support/download/ documents?keys=ESP32 εΠοναΠΤϯεͷղઆϖʔδ(WROOM-32ͷใ?ʣ https://trac.switch-science.com/wiki/esp32_tips
ଞʹɺάάΔͱ͍ͬͺ͍ग़ͯ͘Δ ɹݕࡧϫʔυɿESP32, WROOM-32ͳͲ 15
COPYRIGHT ©2018 SHINGO FUKUI Facebookάϧʔϓ obniz: obnizϑΝϯɹ https://www.facebook.com/groups/515801048886860/ M5Stack M5Stack
User Group Japan https://www.facebook.com/groups/154504605228235/ Nefry NefryϢʔβάϧʔϓ https://www.facebook.com/groups/nefry/ 16
COPYRIGHT ©2018 SHINGO FUKUI obnizͷใ ൢചݩɿ CambrianRobotics inc. https://obniz.io ϑΥʔϥϜɿ
https://forum.obniz.io FacebookΞΧϯτɹObniz https://www.facebook.com/obniz.io/ connpassάϧʔϓɹobniz.ioɹhttps://obniz.connpass.com FacebookάϧʔϓɹobnizϑΝϯɹ https://www.facebook.com/groups/515801048886860/ 17
COPYRIGHT ©2018 SHINGO FUKUI M5Stackͷใ ൢചݩɹM5Stack Inc. http://m5stack.com/ ຊࠃൢചཧళɹεΠοναΠΤϯε https://www.switch-science.com
Facebookάϧʔϓ M5Stack User Group Japan https://www.facebook.com/groups/154504605228235/ connpasάϧʔϓɹM5Stack User Group Japan https://m5stack.connpass.com ͦͷଞ ࣾͷJimmy Lai͞Μ͕Facebookάϧʔϓtwitterʹසൟʹߘͯ͠ ͍Δɻ24࣌ؒಇ͍͍ͯΔʁɹӨऀ͕ࡾਓ͙Β͍͍Δʁ 18
COPYRIGHT ©2018 SHINGO FUKUI Nefryͷใ ൢചݩɹdotstudio,inc https://dotstud.io Facebookάϧʔϓ ɹNefryϢʔβάϧʔϓ https://www.facebook.com/groups/nefry/
connpassάϧʔϓɹNefryUserMeetup https://nefry.connpass.com ͦͷଞ twitterͰnefryͱ͍͏จࣈྻΛೖΕͯʮಈ͔ͳ͍ʯʮࠔͬ ͨʯͱঢ়گΛͭͿ͘ͱɺ࡞ऀ͕ϔϧϓͯ͘͠ΕΔʢ ߹͕ଟ͍ʣɻ 19