今！ソフトウェアエンジニアがハードウェアに手を出すには

by mackee

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ࠓʂιϑτ΢ΣΞΤϯδχΞ͕ ϋʔυ΢ΣΞʹखΛग़͢ʹ͸ େ٢঵ࣉ.pm 2025/09/06 11:25ʙ @mackee_w

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͸͡Ίʹ ͳͥʮϋʔυ΢ΣΞΛ࡞Ζ͏ʂʯ ͱ͍͏࿩Λ͢Δͷ͔

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! CAUTION ! ͜ͷτʔΫΛ੒ཱͤ͞ΔͨΊͷ ۃ୺ͳҙݟΛ͜Ε͔Βड़΂·͢

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ੈ͸େ AI࣌୅

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ʮख࡞Γιϑτ΢ΣΞʯͷՁ஋͕૬ରతʹݮΓͭͭ͋Δ • ίʔσΟϯάΤʔδΣϯτʹ Αͬͯ࡞ΒΕͨιϑτ΢ΣΞΛ ద༻Ͱ͖ΔྖҬ͕֦େ • ࣗΒͷखͰίʔσΟϯά͢Δ࣌ ͕ؒݮͬͨ • ࣮༻తͳ෺Λ࡞Δͱ͍͏ߦҝͷ ಺༰͕ม࣭ͭͭ͋͠Δ ࢈ۀֵ໋ʹΑͬͯొ৔ͨ͠ྗ৫ػ

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ख࡞Γ͢ΔتͼΛײ͍ͯͨ͡Զͨͪ͸… • ͓ͦΒ͘ྺ࢙ͷৗͱͯ͜͠ͷྲྀΕ͔Β͸ٯΒ͑ͳ͍ • AIͷϚωʔδϟʔͱͯ͋͠Δఔ౓͸ੜ͖͍͚ͯΔͰ͠ΐ͏ • AIΛ࢖ΘͣʹࣗΒͷखͰ෺Λ࡞Δߦҝ͸ʮΞʔτʯʮಓָʯʹด͡ࠐ ΊΒΕͯ͠·͏ͷ͔ʁ • ιϑτ΢ΣΞྖҬͰ͸ଟ͕ͦ͘͏ͳΔ͔΋͠Εͳ͍

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ҰମԿΛಘ͍ͯͨɾԿ͕ࣦΘΕͨͷ͔ • ιϑτ΢ΣΞͷར఺: ੡଄ɾෳ੡ͷίετ͕ۃݶ·Ͱখ͍͞ • ࠓ·Ͱ͸ʮઃܭͷίετʯ͸ͦ͏Ͱ͸ͳ͔ͬͨ • AIʹΑͬͯʮઃܭͷίετʯ·Ͱখ͘͞ͳͬͨ • Զͨͪ͸ԿʹتͼΛײ͍ͯͨ͡ͷ͔ͱ͍͏ͱʮઃܭͷίετʯΛ෷͏ ͜ͱͩͬͨͷ͔΋͠Εͳ͍ • HowΛ࣮ߦ͢Δͷָ͍ͬͯ͠͡ΌΜ

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͜ͷτʔΫͷఏҊ ιϑτ΢ΣΞͰ͸ͳ͘ ϋʔυ΢ΣΞͳΒͲ͏͔

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ιϑτ΢ΣΞͱϋʔυ΢ΣΞͷରൺ • ιϑτ΢ΣΞ͸શମ࠷దʹ޲͍͍ͯΔ • ίϐʔ͕༰қͳͷͰɺͲ͜Ͱ΋ಈ͘࠷େެ໿਺తʹͳΔ • ෳࡶʹͳΓ͕ͪͳͷͰҰͭ࡞ͬͨ΋ͷΛ࢖͍·Θ͍ͨ͠ • ϋʔυ΢ΣΞ͸෦෼࠷దʹ޲͍͍ͯΔ • ࢖͏؀ڥʹ߹Θͤͨ࠷దԽΛͯ͠΋ϝϦοτ͕ࣦΘΕͳ͍(͜ͱ͕͋Δ) • ͦ͜·Ͱෳࡶʹ࡞Βͳͯ͘΋࢖͍෺ʹͳΔ͜ͱ͕ଟ͍

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ϋʔυ΢ΣΞͷ࡞Δଆʹͱͬͯͷྑ͍ͱ͜Ζ • AIʹཔΕͳ͍ྖҬ͕·ͩͨ͘͞Μ͋Δ • 3DϞσϦϯά, ճ࿏Λ࡞Δ, ϋϯμΛ͢Δ, ૊ΈཱͯΔ, ෦඼બఆ… • ʮखΛಈ͔͍ͨ͠ʯͱߟ͑Δਓʹͱͬͯ͸ྑ͍ͷͰ͸ͳ͍͔ • ϋʔυ΢ΣΞ͸AIίʔσΟϯάొ৔Ҏલͷιϑτ΢ΣΞΤϯδχΞϦ ϯάͷঢ়ଶʹཹ·͍ͬͯΔͱݴ͑Δ • ͔ͦͯ͜͜͠ΒAIίʔσΟϯάొ৔Ҏޙʹ͍͘ͷ͸͠͹Β͘ͳͦ͞͏

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୭ʁ macopy GitHub: mackee X: mackee_w, mixi2: macopy ໘ന๏ਓΧϠοΫ όοΫΤϯυ, SRE, ΞʔΩςΫτ ISUCON11༏উ, ISUCON12ग़୊

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એ఻: Ξϯνੜ੒AIͰ͸ͳ͍ https://fortee.jp/yapc-fukuoka-2025/proposal/ fb 1e7046-74ea-4856-9311-7b7cd62a6018

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͜ͷτʔΫͷલఏ: ϋʔυ΢ΣΞ = ిࢠ޻࡞ • ϋʔυ΢ΣΞͱ͸ϚΠΫϩίϯτϩʔϥʔ౳͕͋ΓϞʔλʔ΍LED౳ʹ ग़ྗ͢Δిࢠճ࿏த৺ͷγεςϜͷ͜ͱΛࢦ͠·͢ • ΩʔϘʔυ, ϦϞίϯ, ωοτϫʔΫԹ࣪౓ܭetc… • ΋ͬͱΰϦΰϦػցػߏ(Τϯδϯͱ͔)͸ؚΈ·ͤΜ • ΋ͬͱσΟεΫϦʔτIC΍ΞφϩάΰϦΰϦճ࿏͸ؚΈ·ͤΜ • ʮSWE͕औΓ૊Ήʹ͸ʯͱ͍͏ςʔϚͳͷͰ

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͜ͷςʔϚʹ࠷ۙυϯϐγϟͷຊ͕ग़ͨ • վగ৽൛ ిࢠ޻࡞ೖ໳Ҏલ • جૅͷͱ͜Ζ໢ཏతʹॻ͍ͯ͋Δ • ిؾͷྺ࢙͔Βςελͷ࢖͍ํ·Ͱ • ࢲͷτʔΫͰڵຯΛ࣋ͬͨํ͸ੋඇ https://gihyo.jp/book/2025/978-4-297-15070-9

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࠷ۙͷ࢓ࣄ: Ξʔέʔυड෇ • ήʔϜᝑମͷܗΛͨ͠ΦϑΟεΤϯτϥ ϯεͷड෇ػ • ࢲ͸ιϑτ΢ΣΞͱ಺෦ج൘Λ୲౰ • σδλϧϑΝϒϦέʔγϣϯ(CNC/3Dϓ Ϧϯλ)ͱWebٕज़Ͱग़དྷ͍ͯΔ

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Ξʔέʔυड෇ͷ࡞Γํ • ᝑମ: 3D CADͰϞσϦϯά, ShopBot(໦ ޻CNC)Ͱ੾Γग़͠ • Raspberry Pi + Ξέίϯ༻ج൘ • ιϑτ΢ΣΞ: ReactΞϓϦ on Chrome https://shopbot.vuild.co.jp/detail/prsalpha

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ࠓɺϋʔυ΢ΣΞʹ௅ઓ͢Δϋʔυϧ͸Լ͕͍ͬͯΔ • ϋʔυ΢ΣΞઃܭͱ੡଄͕ιϑτ΢ΣΞͰఆٛͰ͖ΔྖҬ͕૿͑ͨ • ઃܭ: CAD • ੡଄: 3DϓϦϯλ, ϨʔβʔΧολʔ, CNC • গྔੜ࢈ͷΤίγεςϜͷॆ࣮ • தࠃʹج൘ൃ஫͸͔ͳΓ༰қʹ • ੜ੒AIʹखॿ͚ͯ͠΋Β͑ΔྖҬ͸࣮͸͔ͳΓ͋Δ

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ࠓճͷτʔΫͰ͸ • ੜ੒AI͚ͩͰ͸೉͍͠ͱ͜ΖΛ࿩͠·͢ • ϝϯλϧϞσϧ • ೖग़ྗͷྫ • ࡞Γ͍ͨ΋ͷΛ૝ىͤ͞Δ • ࣮ࡍͷϢʔεέʔε ݱ୅తͳ΍Γํ΋ఴ͑ͯ • Ψϫͷ࿩

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ιϑτ΢ΣΞΤϯδχΞ͕ ϋʔυ΢ΣΞʹ௅Ήͱ͖ͷϝϯλϧϞσϧ ϋʔυ΢ΣΞ͸ؔ਺Ͱ͢ʂʂ

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ϋʔυ΢ΣΞ͸ؔ਺Ͱ͋Δ • ೖྗͱग़ྗͷ૊Έ߹Θ͕ܾͤ·Ε͹ɺ࢒Γ͸ιϑτ΢ΣΞ ͷ໰୊ʹग़དྷΔ • ೖྗͷྫ: εΠον, ηϯα, ϚΠΫ, Χϝϥ౳ • ग़ྗͷྫ: σΟεϓϨΠ, Ϟʔλʔ, LED, ωοτϫʔΫͰAPIୟ͘౳

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ೖग़ྗ + MCUͷద༻ྫ: Ϛϧνίϓλʔ • ैདྷϔϦίϓλʔ͸ػցػߏͱߏ଄্ ͷ޻෉Ͱ҆ఆͯ͠ඈ΂Δػցͩͬͨ • Ϛϧνίϓλʔ͸ηϯαͱιϑτ΢Σ ΞͰߴ଎ʹϞʔλʔ΁ͷϑΟʔυόο ΫΛߦ͍ͳ͕ΒඈͿػց • ϋʔυ΢ΣΞͷҰ෦ιϑτ΢ΣΞԽʹ Αͬͯ࡞Γ΍͘͢ͳΔ͜ͱ͕͋Δ Alexander Glinz - photo by Alexander Glinz / uploaded by Joadl, CC BY-SA 3.0 at, https://commons.wikimedia.org/w/index.php?curid=29727889ʹΑΔ

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ʮೖྗʯͷྫ

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ೖྗεΠον • εΠονͱ͸ిؾΛಋ௨ͤͨ͞Γ੾அ͢ Δ෦඼ • େମϓϧΞοϓ઀ଓ͢Δ • େମ͸pinMode(PIN, INPUT_PULLUP) ͢Ε͹಺෦ϓϧΞοϓճ࿏͕࢖ΘΕͯ εΠονҎ֎ͷ෦඼͸͍Βͳ͍ • ยํ͸άϥϯυ(0V)ଆ΁ https://www.kailh.net/products/kailh-box-v2-switch-set

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ϩʔλϦʔΤϯίʔμ • εςοϓ͕͋ΔμΠϠϧ • த਎͸εΠονͷू߹ • ৔ॴʹΑͬͯಋ௨͢Δϐϯͷ૊Έ߹Θ͕ͤ มΘΔ • Մม఍߅ث(ޙड़)ͱҧͬͯແݶʹճͤΔ https://akizukidenshi.com/catalog/g/g106357/

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Մม఍߅ • ͜Ε·Ͱͱҧ͍ΞφϩάͰೖྗ • େ͖ͳిྲྀΛྲྀ͢ͱ೩͑ΔͷͰɺ௚઀ LED΍ϞʔλʔͳͲͷग़ྗΛม͑Δͷ ʹ௚ྻͰೖΕΔͷ͸ආ͚ͳ͍ͱ͍͚ ͳ͍͜ͱͷҰͭ • ෼ѹճ࿏ʹͯ͠MCUͷADCͰిѹΛ ݟΔ https://akizukidenshi.com/catalog/g/g114996/

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ηϯαͷྨ • Թ࣪౓ • Ξφϩάग़ྗͷ΋͋Ε͹σδλϧ৴߸ͷ΋ͷ΋ ͋Δ • Ճ଎౓ɾδϟΠϩɾ஍࣓ؾ • ୯ମͩͱΞφϩά͕͋Γࠞࡌͩͱσδλϧ৴߸ • ࣓ؾ, ಈମݕ஌, র౓, CO2, Χϝϥ, ੺֎ઢ, ϚΠΫ etc… https://akizukidenshi.com/catalog/g/g107003/

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σδλϧ৴߸ͷछྨ • MCUʹܨ͙ηϯαଆͷϐϯͷ਺͕গͳ͍΄ͲMCUͷϐϯͷઅ໿ʹͳ Γɺ഑ઢͷखؒ΋ݮΔͷͰخ͍͠ • 1-Wire(1ຊ), I2C(2ຊ), SPI(4ຊ), CAN(2ຊ), USB(2ຊʙ)ͳͲ • ͞Βʹ৴߸ͷ଎౓ͱ͔Ұͭͷόεʹܨ͛ΒΕΔσόΠε਺ͳͲͷཁ ͕݅ग़ͯ͘Δ

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ग़ྗͷྫ

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LED • ిྗΛফඅͯ͠ޫΛൃ͢ΔσόΠε • ిྲྀͷ޲͖͕͋Δ • ܗɾ਺ɾ৭ɾେ͖༷͞ʑͳछྨ͕͋Δ • ৭Ͱඞཁͳిѹ͕େମܾ·Δ https://akizukidenshi.com/catalog/g/g111577/ https://akizukidenshi.com/catalog/g/g108282/

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ϚτϦΫεLEDύωϧ • ͜Ε͸5VͰಈ͘, HUB75ͱ͍͏৴߸ͰޫΔ • HUB75͸͜ͷखͷύωϧͰ͸Ұൠతͳ৴ ߸ํࣜ • ϥΠϒϥϦ͸͋Δ • ύωϧ͝ͱʹগ͠ํݴ͕͋Δ • ॳظԽํ๏ͳͲ

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Addressable LED • WS2812B, SK6812 etc… • ϑϧΧϥʔLED͔ͭݸผ੍ޚՄೳͳ΍ͭ • ిݯ(3.7Vʙ5.3V, 0V)ͱ৴߸ઢͷ3ຊ͕ඞཁ • ਺चܨ͗Մೳ https://akizukidenshi.com/catalog/g/g113254/

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σΟεϓϨΠ • I2C΍SPIͰ୯৭΍ϑϧΧϥʔදࣔՄೳͳ ΋ͷ͕ଟ͘ग़ճ͍ͬͯΔ • OLED, ӷথ • ѻ͏ͨΊͷϥΠϒϥϦ΋ଟ͘ଘࡏ • ߴ଎ͳMCUͰ͋Ε͹HDMI౳΋ΪϦΪϦ ಈ࡞͢Δ͜ͱ΋͋Δ(PicoDVI) https://akizukidenshi.com/catalog/g/g115560/ https://akizukidenshi.com/catalog/g/g114435/

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Ϟʔλʔ • αʔϘϞʔλʔ • ֯౓Λࢦఆ͢Δ • 360౓࿈ଓճసαʔϘͱ͍͏ຊདྷ֯౓Λද͢৴߸ Ͱ଎౓ΛܾΊΔ΍ͭ΋͋Δ • εςοϐϯάϞʔλʔ • ϐϯͷग़ྗΛΦϯΦϑ͢Δ͜ͱͰ಺෦ͷి࣓ੴΛ ੍ޚͯ࣠͠Λճసͤ͞Δ • ύϫʔ͕͋Δ https://akizukidenshi.com/catalog/g/g108761/ https://akizukidenshi.com/catalog/g/g108761/

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ϞʔλʔυϥΠό • εςοϐϯάϞʔλʔ͸Ϟʔλʔ υϥΠόΛհ੍ͯ͠ޚ͢Δ • A4988͍ͬͯ͏IC͕3DϓϦϯλͷ Ϟʔλʔ੍ޚͰ͸͔ͭͯఆ൪ͩͬ ͕ͨɺϐϩϐϩ͏Δ͍͞ͷͰ੩͔ ͳϞʔυ͕͋ΔTMC2209͕େମ࢖ ΘΕΔ https://akizukidenshi.com/catalog/g/g129377/

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ؔ਺(MCU)ͷ෦෼

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MCU/ϚΠίϯϘʔυ • ͔ͭͯ͸PIC΍AVRͳͲ8bitϚΠίϯ͕ఆ൪͕ͩͬͨࠓ͸STM32΍ESP32ɺRP2040ͳͲ 32bit ARM΍RISC-VͳͲͷϚΠίϯ͕࢖ΘΕΔ • ϐϯ਺͑͞଍ΓΕ͹ͲΜͳMCUΛબΜͩͬͯྑ͍ • ͕ɺҰൠతʹ͸ిࢠ޻࡞޲͚ϚΠίϯϘʔυΛબͿͷ͕ྑ͍Ͱ͠ΐ͏ • Arduino, M5Stack, micro:bit, Raspberry Pi Pico౳

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MCUͱϚΠίϯϘʔυͷࠩҟ • ্͕RP2040ͰԼ͕ͦΕΛੵΜͩ Raspberry Pi Pico • ΄ͱΜͲͷMCU͸୯ମͰ͸ಈ͔ͳ͍ɻप ลճ࿏͕ඞཁ • ݱ୅ͷMCU͸ϋϯμ෇͚͕ඞཁ • ͦͯ͠RP2040͸खϋϯμ͸΄΅ෆՄೳ

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पลճ࿏(υΩϡϝϯτͷݟํ) • ϋʔυ΢ΣΞσβΠϯ(PDF)ͬͯ΍ͭʹ ࡌͬͯ·͢ • MCUʹΑͬͯ͸σʔλγʔτʹࡌͬ ͍ͯΔέʔε΋͋Δ • NotebookLMʹ৯Θͤͯฉ͘ • ࣮ࡍʹͦͷϖʔδΛݟͯཪΛऔΔ

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M5StackͷҒେ͞ • MCUΛ಺ଂͯ͠Ϙλϯ΍σΟεϓϨΠ͕ ͍͍ͭͯΔϚΠίϯϘʔυM5Stackʹ͸ έʔε͕ॳΊ͔Β͍͍ͭͯΔ • ʮ࠷ऴతʹέʔε͕ඞཁͳͷʹͳͥ έʔε͕෇͍ͯͳ͍Μͩͱ͔ʯ[1] https://shop.m5stack.com/products/m5stack-core2-esp32-iot-development-kit-v1-1 1: https://techno-note.net/article/2023/08/04/617

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தࠃ੡MCUͷຄڵ • தࠃʹ͸ΞϝϦΧઃܭͷICͷޓ׵඼Λ࡞ͬͯ࢖͏จԽ(?)͕͋Γɺͦ͜ ͔Β͜Ε·Ͱݟͨ͜ͱ΋ͳ͍ϝʔΧʔͷ஌Βͳ͍νοϓ͕ग़ͯ͘Δ • ΞϦΤΫ΍100ԁγϣοϓͷΨδΣοτΛ։͘ͱग़ͯ͘Δ • WCHࣾͷCH552Eͱ͍͏ͷ͕100ԁͷͤ͘ʹUSB͠Ό΂ΕΔ • WCHࣾͷ(ࢲͷ)ॳݟ͸΍͍ͬ͢USB-Serialม׵ • ࠓͰ͸STM32ͬΆ͍ܗͷRISC-VϚΠίϯ΋ചͬͯΔ

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ԿͰϑΝʔϜ΢ΣΞΛॻ͔͘ • IoTɾిࢠ޻࡞քͷڞ௨ޠ Arduino • ͩ͜ΘΓ͕ͳ͚Ε͹Ұ൪҆ఆײ͕͋Δҹ৅ • ΠϯλϓϦλܕͰࢼ͠΍͍͢MicroPython • C/C++ͰMCU޲͚SDKΛ࢖ͬͯॻ͘ • Rust Embedded, TinyGo, PicoRuby, zig etc… ϦϯΨɾϑϥϯΧ

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Raspberry Pi (not Pico) • GPIOͱ͍͏ΦϯΦϑͷ৴߸΍I2C/SPIͳͲΛѻ͑Δ୺ࢠ͕͋Δ • ࠷ॳ͸͜ΕͰࢼͯ͠ΈΔͷ΋͍͍͔΋͠Εͳ͍ • HUB75΍֤छσΟεϓϨΠ༻ͷϥΠϒϥϦ΋͋Δ • ͓޷͖ͳݴޠͰॻ͚ΔɾωοτϫʔΫʹ؆୯ʹܨ͕Δ • ফඅిྗɾ҆͞ɾϑΥʔϜϑΝΫλͷࣗ༝౓ͳͲͰMCUʹεςοϓ Ξοϓ(μ΢ϯʁ)͍ͯ͘͠ͷ΋ྑ͍Ͱ͠ΐ͏

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۩ମతͳϢʔεέʔε

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۩ମతͳέʔε: ਓؒ༻αϯΩϡʔϋβʔυ • εΠονΛԡ͢ͱं༻ͷ΢ΟϯΧʔ͕఺ ໓+LEDϚτϦΫεύωϧʹʮ͋Γ͕ͱ ͏ʯ͕දࣔ͞ΕΔ

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ೖग़ྗͷਤ https://www.amazon.co.jp/dp/B0D5LSV8N9 https://amzn.asia/d/aTgCYzd

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ཪ໘

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΢ΟϯΧʔ෦෼ • ं༻ͳͷͰ12VͰಈ͘ • MCU͸3.3VͰۦಈ͢Δ • ௚઀ۦಈͰ͖ͳ͍ • ϑΥτϦϨʔΛ࢖༻ͯ͠MCUग़ ྗʹԠͯ͡12VΛม͑Δ

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ग़ྗํ๏ʹ΋͓࡞๏(ΠϯλϑΣʔε)͕͋Δ • ΠϯλϑΣʔε͕ҟͳΔͱ • ιϑτ΢ΣΞ: ΤϥʔΛు͘, ෆ׬શʹಈ͘ • ϋʔυ΢ΣΞ: ՐΛਧ͘, ԎΛਧ͘, શ͘ಈ͔ͳ͍, ෆ҆ఆʹಈ͘ • ࠓճͷέʔεͰ΋͠௚݁ͨ͠Β • ిྗ͕଍Γͳͯ͘Ϧηοτ͢Δ, ҉͘ޫΔ, ౳ʑߟ͑ΒΕΔ • ෺ཧΠϯλϑΣʔε͸੩తܕͰ͸ͳ͍͔΋͠Εͳ͍

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ϑΝʔϜ΢ΣΞ • Arduino IDEͰॻ͍ͯ΋ྑ͔͕ͬͨɺPlatformIOͷCLI൛Ͱѻͬͨ • neovimͰॻ͖͔ͨͬͨͷͰ • ϥΠϒϥϦ͸PlatformIOͰಋೖ • ͜ͷن໛ͩͱΤʔδΣϯτͰ͸ͳ͍ੜ੒AIͰ΋े෼ίʔυΛॻ͚Δ

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࡞ͬͯಈ͖࢝ΊΔͱ΋ͬͱ͜͏͍͕ͨ͠ग़Δ • ͓ͦΒ͘࠷ॳ͸ϝΠϯϧʔϓͷத͚ͩͰ׬݁͢ΔίʔυʹͳΔ • εΠον͕ԡ͞ΕͨΒ͏͙͢൓Ԡ͍ͨ͠ • ଞͷ͜ͱΛ΍͍ͬͯΔؒʹೖྗ͕͋ͬͨΒ͙͢൓Ԡ͍ͨ͠ • ׂΓࠐΈΛ࢖͍·͠ΐ͏ͳͲ • ͜ͷล΋ੜ੒AIʹฉ͍͍͚ͯ͹ͲΜͲΜચ࿅͞Ε͍ͯ͘

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࠶ܝ: ϋʔυ΢ΣΞ͸ؔ਺Ͱ͋Δʁ ೖग़ྗ͚ͩͰ੒ཱ͢Δʂ...͸ؒҧ͍

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ϋʔυ΢ΣΞΛಈ͔͢ʹ͸ిݯ͕ඞཁ • ೖग़ྗɾMCUΛۦಈͤ͞ΔͨΊͷిݯ • ௚ྲྀిݯ, ަྲྀిݯ౳ • εΠονϯάిݯ, LiPoόοςϦʔ౳ • ෳ਺छྨͷిݯ͕ඞཁͳέʔε΋ • αϯΩϡʔϋβʔυ΋3.3V(MCU), 5V(LEDύωϧ), 12V(΢ΟϯΧʔ)͕ඞཁ Qurren - ౤ߘऀࣗ਎ʹΑΔஶ࡞෺, CC දࣔ-ܧঝ 3.0 https://commons.wikimedia.org/w/index.php?curid=793926ʹΑΔ

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ࢲͷղܾࡦ: USB PD͔ΒऔΔ • USB PD 3.0Ͱ͸5VҎ֎ʹ9V, 12V͕औΕΔ • τϦΨʔέʔϒϧɾϘʔυͱ͍͏΋ͷͰUSB PD ͷిݯ͔Βࢦఆͨ͠ిѹΛऔΕΔ • ࠓճ͸12VΛऔͬͯ΢ΟϯΧʔ༻ʹͯ͠ɺ͔ͦ͜ Β߱ѹDCDCίϯόʔλʔͰ5Vʹམͱ͢ • ϚΠίϯϘʔυ্ͷϨΪϡϨʔλʔͰ3.3VʹͳΔ https://ja.aliexpress.com/item/1005006376332910.html https://ja.aliexpress.com/item/1005005968432828.html

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ਤղ AC100V DC12V τϦΨʔϘʔυ USB PD Ξμϓλ ߱ѹDC/DC DC12V DC5V ج൘಺෦Ͱ3.3V΁ DC12V

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ిݯ͸ૉਓ͕ѻ͏ʹ͸ةͳ͍/೉͍͠ • খ৴߸ͷσδλϧճ࿏ʹൺ΂Δͱߟ͑Δ͜ͱ͕ଟ͍ • ࠷ۙ͸USB PDΞμϓλͱ͍͏༏ल͔ͭೖख͕༰қͳϓϩάϥϚϒϧ ిݯ͕͋ΔͷͰར༻͢Δͱྑ͍ • ݸਓͷ੍࡞Ͱ͸ؔ܎ͳ͍Ͱ͕͢ɺਓʹചΔ੡඼(ྔ࢈)͕ίϯηϯτͷ ిؾΛѻ͏ʹ͸PSEϚʔΫ͕ඞཁͰ͢ • དͷLiPoόοςϦʔΛѻ͏ͷ͸ؾΛ͚ͭΔ

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Ψϫͷ࿩

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Ψϫ(έʔεɾᝑମɾج൘)͸େࣄ • ണ͖ग़͠ͷج൘͕ݪҼͰγϣʔτͱ͔͸ͦΜͳʹى͜Γ·ͤΜ • ͲͪΒ͔ͱ͍͏ͱ഑ઢ΍ηϯαྨ͕ݻఆ͞Εͯͳ͍͜ͱΑΔσϝϦοτ͕͋Δ • ઢ͕ൈ͚ͯγϣʔτ͢Δ(΍ͬͨ͜ͱ͋Δ) • ઢ͕ൈ͚͔͚͍ͯͯಈ࡞͕ෆ҆ఆ(΍ͬͨ͜ͱ͋Δ) • ӡΜͰ͍Δؒʹϐϯ͕౗Εͯ࢖͑ͳ͘ͳΔ(΍ͬͨ͜ͱ͋Δ) • ϗίϦͰϕτϕτʹͳΔ

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·ͣ഑ઢΛݻఆ͢ΔͨΊʹ ج൘ʹ͢Δ ίωΫλʹ͢Δ

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खϋϯμvsج൘ൃ஫ • ࡢࠓ͸खϋϯμ͕೉͍͠෦඼͕૿͍͑ͯΔ • ͍ΘΏΔϒϨΠΫΞ΢τϘʔυΛ࢖༻͢Δ ͜ͱ͕ଟ͍ • ׳Ε͖ͯͨΒώʔτΨϯ͔ϗοτϓϨʔτ Ͱ෇͚Δέʔε΋͋Δ • ྔ࢈͠ͳ͍ɾύʔπ਺গͳ͍ͳΒϢχόʔα ϧج൘Ͱ͍͍Μ͡Όͳ͍͔(ͱ࠷ۙ͸ࢥ͍ͬͯ Δ

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ج൘΍ηϯαͳͲΛ ෴͏έʔεΛߟ͑Δ

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ैདྷͷϋʔυ΢ΣΞ(ిࢠ޻࡞)ͷΨϫࣄ৘ • λΧνͷέʔε, ϑϦεΫ, 100ԁγϣοϓ, Ϩΰ౳ Kuraken, CC BY-NC-ND https://www. fl ickr.com/photos/kuraken/12987549063 https://akizukidenshi.com/catalog/g/g112048/

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࠷ۙ͸3DϓϦϯλɾϨʔβʔΧολʔͰ έʔεΛࣗ࡞Ͱ͖Δ • ༻్ʹ߹ΘͤͨϐολϦͷαΠζͰ੡࡞Ͱ ͖Δ • Ұ඼෺ͳΒ3DϓϦϯλͰྑ͠ • ྔ࢈඼ͳΒ(͋Δఔ౓͸)ϨʔβʔΧολʔ Ͱྑ͠ • ࣗ෼ͰػࡐΛ࣋ͨͳͯ͘΋੡଄αʔϏε͕ ͋Δ https://www.printables.com/model/267869-raspberry-pi-pico-case-snap fi t-screwless

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খن໛ɾιϑτ΢ΣΞͰ΍ΕΔྖҬ͕૿͑ͭͭ ͋Δ • 3DϓϦϯλɾϨʔβʔΧολʔͱ͍ٕͬͨज़Ͱɺث༻͕͞ͳͯ͘΋ ͋Δఔ౓ͷྖҬ·Ͱ࠶ݱੑ͕͋ΔܗͰ࡞ΕΔ • Ҏલ͸଎౓΍ίετͷ໰୊ͰσΟεΫϦʔτճ࿏Ͱ΍͍ͬͯͨ͜ͱ΋ MCU΍ઐ༻ICͰ؆୯ʹѻ͑ΔΑ͏ʹͳͬͨ • ιϑτ΢ΣΞΤϯδχΞͰ͋ͬͯ΋ɺܦݧΛ׆͔ͯ͠ϋʔυ΢ΣΞΛ ࡞ΕΔΑ͏ʹͳ͖ͬͯͨ

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ϋʔυ΢ΣΞͱੜ੒AIͱͷ෇͖߹͍ํ • தࠃ੡ICͷσʔλγʔτΛಡΉͳͲ͸͔ͳΓָʹͳͬͨ • ෼໺΍ඞཁͳ஌͕ࣝ͋·Γʹ΋ଟذʹΘͨΔ͕ɺ͋Δఔ౓͸ੜ੒AIʹ ฉ͍ͯղܾ͢Δ͜ͱ΋͋Δ • (·ͩ)ϩϘοτΞʔϜΛಈ͔ͯ͠૊ΈཱͯΔͱ͔͸೉͍͠ͱࢥ͏ͷ ͰɺࣗΒಈ͔ͳ͍ͱ͍͚ͳ͍ྖҬ͸େྔʹ͋Δ