ႎ๔
8×8LED ࡑ࠻࡝ࠢࠬࠍ↪޿ߚ㔚శឝ␜᧼ᢎ᧚ߩ㐿⊒ߣߘߩᵴ↪
⪲ጊ ᷡノ㧖
Development and utilization of educational material of the electrical display using 8×8 matrix LED
Kiyoteru Hayama㧖
Hobby electronics is a good opportunity to learn information, communication and electronics engineering. In this study, the
electrical display using 8×8 matrix LED is developed for educational material. Additional board for expansion of the display area
is also developed. The display is utilized for the subject of our open campus, public lecture etc.
ࠠ࡯ࡢ࡯࠼㧦.'& ࡑ࠻࡝ࠢࠬ㧘㔚శឝ␜᧼㧘#84 ࡑࠗࠦࡦ
Keywords㧦LED matrix, display, AVR
㧝㧚ߪߓ߼ߦ
ᢥሼ߇Ꮐ߆ࠄฝߦᵹࠇߥ߇ࠄ౉ജߒߚᢥሼ೉߇⴫␜ߐࠇ
㔚ሶᎿ૞ߪ㔚ሶᖱႎ♽ߩᛛⴚࠍりㄭߦᗵߓߡ߽ࠄ߃ࠆᯏ
ࠆࠃ߁ߦߥߞߡ޿ࠆ㧚ᦨᄢ 25 ᢥሼߢછᗧߩᢥሼ೉ࠍ 4 ߟࠬ
ળߢ޽ࠅ㧘ᧄᩞߩࠝ࡯ࡊࡦࠠࡖࡦࡄࠬ㧘౏㐿⻠ᐳ㧘಴೨᝼
ࠗ࠶࠴ࠍ૶ߞߡ౉ജߢ߈ࠆ㧚න 3 ဳੇ㔚ᳰ 2 ᧄߢേ૞น⢻
ᬺߢ߽ࠃߊⴕࠊࠇߡ޿ࠆ㧚቟ଔߢ⍴ᤨ㑆ߦᎿ૞ߢ߈ታ↪ᕈ
ߢ޽ࠆ㧚
ߢߩ㕙⊕ߐߩ޽ࠆ㔚ሶᎿ૞ߩ㗴᧚ߣߒߡ 8×8LED ࡑ࠻࡝ࠢ
ࠬࠍ↪޿ߚ㔚శឝ␜᧼㧔એਅ㧘㔚శឝ␜᧼㧕ߩࠠ࠶࠻ࠍ㐿
ᠲ૞ᣇᴺߩ⺑᣿
⊒ߒ㧘ߘߩᔕ↪ߦߟ޿ߡ߽ᬌ⸛ߒߚ㧚ታ㓙ߦࠝ࡯ࡊࡦࠠࡖ
ࡦࡄࠬ╬ߢᵴ↪ߒߚ੐଀߽ႎ๔ߔࠆ㧚
ࠬࠗ࠶࠴ߩ௛߈ߪ㧘એਅߩࠃ߁ߦഀࠅᒰߡߡ޽ࠆ㧚
ฝࠬࠗ࠶࠴㧦ᰴߩᢥሼ߳㧘 2 ⑽㐳᛼ߒߢࡕ࡯࠼ಾᦧ㧔౉ജ
ࡕ࡯࠼ߣ⴫␜ࡕ࡯࠼㧕
㧚
㧞㧚㔚శឝ␜᧼ߩ㐿⊒
Ꮐࠬࠗ࠶࠴㧦೨ߩᢥሼ߳㧘2 ⑽㐳᛼ߒߢࡔࡕ࡝ᶖ෰㧘ᦝߦ 2
᭎ⷐ
⑽㐳᛼ߒߢ࠺ࡕ(‫ߩޠࠎߖ߁ߎߣ߽߹ߊޟ‬ᢥሼ೉)ࠍ⴫␜㧚
࿑ 1 ߦ㐿⊒ߒߚ 8×8LED ࡑ࠻࡝ࠢࠬࠍ↪޿ߚ㔚శឝ␜᧼
ਅࠬࠗ࠶࠴㧦50 㖸㗅ߦᢥሼࠍㅍࠆ㧘ᦨᓟߦⓨ⊕㧘Ộὐߥߤ㧚
㐳᛼ߒߢ⥄േㅍࠅ㧚
ࠍ␜ߔ㧚
਄ࠬࠗ࠶࠴㧦50 㖸ߩㅒ㗅ߦᢥሼࠍᚯߔ㧘㐳᛼ߒน⢻
ᠲ૞ᚻ㗅ࠍએਅߦ⸥ߔ㧚
1㧕Ꮐࠬࠗ࠶࠴ࠍ㐳᛼ߒߒߡࡔࡕ࡝ࠍᶖ෰ߒ㧘‫␜⴫ࠍޠ޽ޟ‬
ߐߖࠆ㧚
2㧕਄ਅࠬࠗ࠶࠴ߢ౉ജߒߚ޿ᢥሼࠍㆬ߱㧚
3㧕ฝࠬࠗ࠶࠴ࠍ᛼ߔߣⓨ⊕ߦߥࠆߩߢᰴߦ౉ജߒߚ޿ᢥሼ
ࠍㆬ߱㧚
4㧕ห᭽ߦฝࠬࠗ࠶࠴ࠍ᛼ߒ㧘਄ਅࠬࠗ࠶࠴ߢᢥሼࠍㆬࠎߢ
޿ߊ㧚
5㧕Ꮐฝߩࠬࠗ࠶࠴ߢᢥሼࠍㅍࠆߎߣߢ㧘౉ജߒߚᢥሼ೉ߩ
⏕⹺߇ߢ߈ࠆ㧚ୃᱜߒߚ޿ߣ߈ߪୃᱜߒߚ޿ᢥሼ߇⴫␜
ߐࠇߚߣߎࠈߢ਄ਅࠬࠗ࠶࠴ߢᢥሼࠍㆬ߮⋥ߖ߫⦟޿㧚
6㧕
ᢥሼߩ౉ജ߇⚳ࠊߞߚࠄฝࠬࠗ࠶࠴ࠍ⚂ 2 ⑽㐳᛼ߒߔࠆ㧚
ߔࠆߣ⴫␜ࡕ࡯࠼߇ಾࠅᦧࠊࠅ㧘౉ജߒߚᢥሼ߇Ꮐߦᵹ
࿑ 1 8×8LED ࡑ࠻࡝ࠢࠬࠍ↪޿ߚ㔚శឝ␜᧼
ࠇߥ߇ࠄ⴫␜ߐࠇࠆ㧚
ߥ߅㧘⴫␜ࡕ࡯࠼ࠍಾࠅᦧ߃ߚߣ߈ߦ౉ജߒߚᢥሼ߇ࡑ
㧖
ᖱႎㅢାࠛ࡟ࠢ࠻ࡠ࠾ࠢࠬᎿቇ⑼
‫ޥ‬861-1102 ᾢᧄ⋵วᔒᏒ㗇ደ 2659-2
Dept. of Information, Communication and Electronic Engineering,
2659-2 Suya, Koshi-shi, Kumamoto, Japan 861-1102
ࠗࠦࡦߩౝㇱߩ EEPROM ߦ⸥㍳ߐࠇࠆߩߢ㔚Ḯࠬࠗ࠶࠴ࠍ
ಾߞߡ߽㧔㔚ᳰࠍᛮ޿ߡ߽㧕⸥㍳ߪ଻ᜬߐࠇࠆ㧚ౣᐲ㔚Ḯ
Research Reports of Kumamoto-NCT. Vol. 4（2012）
－ 90 －
ࠍ౉ࠇߚߣ߈ߪ⴫␜ࡕ࡯࠼ߦߥߞߡ޿ࠆߩߢᢥሼࠍ౉ജߒ
PC0 ߆ࠄ PC3 ߩ 4 ᧄߦធ⛯ߐࠇߚࠬࠗ࠶࠴ߢⴕ߁㔚ሶᎿ૞
ߥ߅ߒߚ޿ߣ߈ߪ㧘ฝࠬࠗ࠶࠴ࠍ㐳᛼ߒߒߡ౉ജࡕ࡯࠼ߦ
ࠠ࠶࠻ߣߒߡឭଏߔࠆ႐วߪࡊࡠࠣ࡜ࡓᦠ߈ㄟߺᷣߺߩࡑ
ಾࠅᦧ߃ࠆ߆㧘Ꮐࠬࠗ࠶࠴ࠍ㐳᛼ߒߒߡࡔࡕ࡝ᶖ෰ࠍⴕ߁㧚
ࠗࠦࡦࠍ↪ᗧߔࠆ߇㧘ISP ┵ሶࠍ↪޿ߡࡊࡠࠣ࡜ࡓߩᦠ߈឵
߃ࠍⴕ߁ߎߣ߇ߢ߈ࠆߩߢ᝼ᬺ╬ߩᢎ᧚ߣߒߡ࠰ࡈ࠻࠙ࠚ
㔚శឝ␜᧼ߩ࿁〝
ࠕṶ⠌↪ߦ↪޿ࠆߎߣ߽ߢ߈ࠆ㧚
Ꮢ⽼ߩ 8×8LED ࡑ࠻࡝ࠢࠬ(1)ߩౝㇱ࿁〝ࠍ࿑ 2 ߦ␜ߔ㧚
⵾૞ࠍኈᤃߦߔࠆߚ߼㧘ㇱຠὐᢙࠍዋߥߊߒ㧘ኾ↪ߩၮ
COL ߦធ⛯ߐࠇߡ޿ࠆࡐ࡯࠻ߪᦨೋ౉ജ⁁ᘒ㧔⛘✼⁁ᘒ㧕
᧼ࠍ⸳⸘ߒᄖᵈߒߚ㧚૶↪ㇱຠߩ㈩⟎ߣㇱຠฬ߇ࠪ࡞ࠢශ
ߦߒߡ߅ߊ㧚ROW ߩ 8 ᧄߩାภ✢ߦ L ߹ߚߪ H ࡟ࡌ࡞ߩା
೚ߐࠇߡ߅ࠅ㧘ㇱຠ⴫㧔⴫ 1㧕ߣኻᲧߒߥ߇ࠄㇱຠࠍࡂࡦ࠳
ภࠍਈ߃㧘COL ࠍ 1 ᧄߕߟ㗅⇟ߦ L ࡟ࡌ࡞಴ജߦಾࠅᦧ߃
ઃߌߔࠇ߫ࠃ޿㧚ㇱຠଔᩰߩว⸘ߪ 700 ౞⒟ᐲߣߥߞߚ㧚
ߡ޿ߊߣ㧘1 ೉ߕߟ LED ࠍὐἮߐߖࠆߎߣ߇ߢ߈ࠆ㧚ROW
⴫ 㔚శឝ␜᧼ߩㇱຠ⴫
ߦ࠺࡯࠲ࠍਈ߃ߥ߇ࠄ㜞ㅦߦ COL ࠍಾࠅᦧ߃ࠆ࠳ࠗ࠽ࡒ࠶
᭎ⷰ
ࠢὐἮ೙ᓮߦࠃࠅ⴫␜ࠍⴕ߁㧚
㔚శឝ␜᧼ߩ࿁〝ࠍ࿑ 3 ߦ␜ߔ㧚Atmel ␠ߩ AVR ࡑࠗࠦ
ㇱຠฬ
୘ᢙ
᭎ⷰ
ㇱຠฬ
୘ᢙ
ၮ᧼
㧝ᨎ
㔚ᳰࠤ࡯
ࠬ㧔න 3
ဳ 2 ᧄ㧕
8×8.'& ࡑ࠻
࡝ࠢࠬ
㧝୘
࠲ࠢ࠻ࠬ
ࠗ࠶࠴
㧠୘
ࠬࡍ࡯ࠨ
㧔⿷㧕
㧠ᧄ
ࡦ㧔Atmega168P㧕ࠍ↪޿ߡ޿ࠆ㧚
#84 ࡑࠗࠦࡦ
㧔ࡊࡠࠣ࡜
ࡓᦠㄟߺᷣ
ߺ㧕
Ⓧጀ࠮࡜ࡒ
࠶ࠢࠦࡦ࠺
ࡦࠨ Ǵ(
୘
㧝୘
㧝୘
㔚శឝ␜᧼ߩ࠰ࡈ࠻࠙ࠚࠕ
ࡊࡠࠣ࡜ࡓߩ㐿⊒ߦߪ㧘AVR ߩ⊒ᄁరߢ޽ࠆ Atmel ␠߇
ήఘߢឭଏߒߡ޿ࠆ⛔ว㐿⊒ⅣႺߩ AVR Studio(2)ߦࡈ࡝࡯
࠰ࡈ࠻ߩ C ࠦࡦࡄࠗ࡜ WinAVR(3)ࠍ⚵ߺㄟࠎߛ߽ߩࠍ૶↪
ߒߚ㧚ࡑࠗࠦࡦߩࡊࡠࠣ࡜ࡓᦠ߈ㄟߺߦߪ Atmel ␠ߩ ISP
࠷࡯࡞ߢ޽ࠆ AVR-ISPMkII ࠍ૶↪ߒߡ޿ࠆ㧚
࠰ࡈ࠻࠙ࠚࠕߪ㧘ࡑ࠻࡝ࠢࠬ⴫␜㧘ࠠ࡯౉ജಣℂ㧘ࡕ࡯
࠼▤ℂ㧘ࡈࠜࡦ࠻ࠃࠅ᭴ᚑߐࠇߡ޿ࠆ㧚ࡈࠜࡦ࠻ߦߟ޿ߡ㧘
࿑ 8×8.'& ࡑ࠻࡝ࠢࠬߩ࿁〝
ዊቇ↢ኻ⽎ࠍᗐቯߒߡ߭ࠄ߇ߥࡈࠜࡦ࠻ࠍ 8×8 ࠼࠶࠻ߢ㧘
ROW ߪ AVR ࡑࠗࠦࡦߩࡐ࡯࠻ B㧘COL ߪࡐ࡯࠻ D ߦ⋥
ធធ⛯ߐࠇ߅ࠅߎࠇࠄߩࡐ࡯࠻ߦାภࠍਈ߃ࠆߎߣߢ㧘LED
ࡑ࠻࡝ࠢࠬߩ⴫␜ࠍⴕ߁㧚ࡑࠗࠦࡦ߳ߩ౉ജߪࡐ࡯࠻ C ߩ
ਛቇ↢એ਄ߩኻ⽎ࠍᗐቯߒߡࠕ࡞ࡈࠔࡌ࠶࠻෸߮⸥ภࠍ
8×5 ࠼࠶࠻ߢ⁛⥄ߦ૞ᚑߒߚ㧚
ࡈࠜࡦ࠻ߩ૞ᚑࠍല₸⦟ߊⴕ߁ߚ߼ߦ㧘࿑ 4 ߩࡈࠜࡦ࠻
ࠛ࠺ࠖ࠲ࠍ VisualBasic ࠍ↪޿ߡ೎ߦ㐿⊒ߒߚ㧚
࿑ 3 㔚శឝ␜᧼ߩ࿁〝
࿑ 4 8x8 ࡈࠜࡦ࠻ࠛ࠺ࠖ࠲
熊本高等専門学校　研究紀要　第 4 号（2012）
－ 91 －
8×8LED ࡑ࠻࡝ࠢࠬࠍ↪޿ߚ㔚శឝ␜᧼ߩ㐿⊒ߣߘߩᵴ↪㧔⪲ጊ㧕
߹ߚ㧘2 ᧄߩ࡟ࡃ࡯ߩⷺᐲࠍࡐ࠹ࡦ࡚ࠪࡔ࡯࠲ࠍ↪޿ߡ⸘
૞ᚑߒߚࡈࠜࡦ࠻࠺࡯࠲ߪ㧘ࡋ࠶࠳ࡈࠔࠗ࡞ߣߒߡ೑↪
᷹ߒ㧘ᢥሼ౉ജ࡮⴫␜ࠍⴕ߁଀ࠍ࿑ 7 ߦ␜ߔ㧚଀߃߫㧘੐
ߢ߈ࠆ࠹ࠠࠬ࠻ࡈࠔࠗ࡞ߣߒߡ಴ജߐࠇࠆࠃ߁ߦߒߚ㧚
᡿㧘㓚ኂ╬ߢㆇേᯏ⢻ߦ೙㒢߇߆߆ߞߚ⁁ᘒߢ╬ߢ߽࡟ࡃ
㧟㧚㔚శឝ␜᧼ߩᔕ↪
࡯ߥߤන৻ߩࠕ࠽ࡠࠣ಴ജᯏེߢᢥሼ౉ജ㧘⴫␜߹ߢࠍⴕ
᜛ᒛ↪ࠕ࠲࠶࠴ࡔࡦ࠻ߩ⵾૞
߁ࠪࠬ࠹ࡓߣߒߡ೑↪ߢ߈ࠆߩߢߪή޿߆ߣ⠨߃ߡ޿ࠆ㧚
ታ↪㕙ࠍ⠨ᘦߔࠆߣ 8×8 ࠼࠶࠻ߢߪᢥሼߩⷞ⹺ᕈ߇ᖡ޿㧚
ߘߎߢ㧘⴫␜ㇱಽࠍᮮᣇะߦ᜛ߍࠆߎߣ߇ߢ߈ࠆࠃ߁ߦၮ
᧼ߩᡷ⦟ߣ᜛ᒛၮ᧼ߩ㐿⊒ⴕߞߚ㧚࿑ 5 ߦ᜛ᒛၮ᧼ࠍ૶ߞ
ߡ⴫␜ㇱࠍᐢߍߚ⁁ᘒࠍ␜ߔ㧚᜛ᒛၮ᧼ߪ LED ࡑ࠻࡝ࠢࠬ
ߣหߓ᏷ߢ⸳⸘ߒߡᮮߦㅪ⚿಴᧪ࠆࠃ߁ߦߥߞߡ߅ࠅ㧘㔚
Ḯኈ㊂ߩ⸵ߔ㒢ࠅ᜛ᒛ߇น⢻ߢ޽ࠆ㧚
࿑ 7 ࡟ࡃ࡯ࠍ↪޿ߡᢥሼ౉ജ࡮⴫␜ࠍⴕ߁ⵝ⟎
㧠㧚㔚శឝ␜᧼ᢎ᧚ߩᵴ↪੐଀
㐿⊒ߒߚ㔚శឝ␜᧼ࠍ᭽‫ߥޘ‬႐㕙ߢᵴ↪ߒߡ߽ࠄ߃ࠆࠃ
߁ߦ A4 ߢ 4 ࡍ࡯ࠫߩ⵾૞ࡑ࠾ࡘࠕ࡞㧘⸃⺑ࠍ฽߼ߚ 6 ࡍ
࡯ࠫߩࡑ࠾ࡘࠕ࡞㧘࠰࡯ࠬࡊࡠࠣ࡜ࡓࠍ฽߼ߚ࠰ࡈ࠻࠙ࠚ
࿑ 5 ᜛ᒛၮ᧼ࠍ૶ߞߚ㔚శឝ␜᧼ߩ⴫␜
ࠕṶ⠌ߦ߽೑↪ߢ߈ࠆ⸃⺑ᦠࠍ↪ᗧߒߚ㧚⵾૞ᤨ㑆ߪ㧘ඨ
㔚శឝ␜᧼ߩၮ᧼஥㕙߆ࠄ㔚Ḯ㧘GND㧘ାภ✢ 2 ᧄࠍข
ࠅ಴ߒ㧘᜛ᒛၮ᧼ߣߩធ⛯ࠍⴕ߁㧚᜛ᒛၮ᧼ߪ⴫㕙ߦ
↰ઃߌ⚻㛎⠪ߢ 15 ಽ⒟ᐲ㧘ᧂ⚻㛎⠪ߢ߽ 30 ಽ⒟ᐲ޽ࠇ߫
ቢᚑߢ߈ࠆ㧚
8x8LED ࡑ࠻࡝ࠢࠬ㧘ⵣ㕙ߦ AVR ࡑࠗࠦࡦ㧔ATmega168P㧕
એਅߦ೉᜼ߔࠆᵴ↪੐଀߆ࠄ㧘ዊቇᩞ㜞ቇᐕ⒟ᐲ߆ࠄ⵾
ࠍ㈩⟎ߒߡ㧘㔚శឝ␜᧼ߣߩㅢାࠍⴕ޿ߥ߇ࠄᢥሼߩ⴫␜
૞ߪน⢻ߢ޽ߞߚ㧚ขࠅᛒ޿ᣇᴺ߽ࡑ࠾ࡘࠕ࡞ࠍ⺒߼߫ฃ
࠺࡯࠲ࠍᏀㅍࠅߔࠆᯏ⢻ࠍᜬߚߖߡ޿ࠆ㧚
⻠ኻ⽎⠪ߩ߶ߣࠎߤ߇⠌ᓧน⢻ߢ޽ߞߚ㧚
㧕એਅߩᧄᩞਥ௅ߩኻᄖ੐ᬺߩᢎ᧚㧔࿑ 8㧕
x ߅߽ߒࠈࠨࠗࠛࡦࠬࠊߊࠊߊታ㛎⻠ᐳKPᄤ⨲㨪⑼ቇ
ࠕ࠽ࡠࠣ౉ജߦࠃࠆ೑↪଀
ᄢᅢ߈ੱ㑆ᄢ㓸ว㧍㨪㧔H22.8.28㧕
㔚శឝ␜᧼ߩᏀ┵ߦ↪ᗧߒߚାภ✢ߪࠕ࠽ࡠࠣ౉ജߦ߽
x ߅߽ߒࠈࠨࠗࠛࡦࠬࠊߊࠊߊታ㛎⻠ᐳ㨪⑼ቇᄢᅢ߈
೑↪ߢ߈ࠆ㧚ߘߎߢ㧘ࠕ࠽ࡠࠣ౉ജߦࠃࠅᢥሼㆬᛯࠍⴕ߁
ੱ㑆ᄢ㓸ว㧍㨪㧔H23.5.14㧕
⴫␜ེߣߒߡߩ೑↪ࠍ⠨߃ߚ㧚࿑ 6 ߪ㔚⏛⺃ዉࠍ೑↪ߒߡ 2
x ߅߽ߒࠈࠨࠗࠛࡦࠬࠊߊࠊߊታ㛎⻠ᐳKPᄤ⨲㨪⑼ቇ
ᜰߩ〒㔌ࠍ⸘᷹ߒ㧘ᢥሼ౉ജ࡮⴫␜ࠍⴕ߁ⵝ⟎ߢ޽ࠆ㧚
ᄢᅢ߈ੱ㑆ᄢ㓸ว㧍㨪㧔H23.8.18㧕
࿑ 6 2 ᜰߩ〒㔌ߢᢥሼ౉ജ࡮⴫␜ࠍⴕ߁ⵝ⟎
࿑ 8 ኻᄖ੐ᬺߢߩᵴ↪੐଀
Research Reports of Kumamoto-NCT. Vol. 4（2012）
－ 92 －
㧕ᧄᩞࠝ࡯ࡊࡦࠠࡖࡦࡄࠬߩᖱႎㅢାࠛ࡟ࠢ࠻ࡠ࠾ࠢࠬᎿ
ቇ⑼ߩ૕㛎᝼ᬺߩᢎ᧚
㧕ᖱႎㅢାᎿቇ⑼ 4 ᐕߩ⸘▚ᯏᎿቇߦ߅޿ߡࡂ࡯࠼࠙ࠚࠕ
ߣ࠰ࡈ࠻࠙ࠚࠕṶ⠌ߩᢎ᧚
㧡㧚߅ࠊࠅߦ
㐿⊒ߒߚ㔚శឝ␜᧼ߩࠠ࠶࠻ߪ㧘ታ㓙ߦࠝ࡯ࡊࡦࠠࡖࡦ
ࡄࠬ╬ߢᵴ↪ߒߡᅢ⹏ࠍᓧࠆߎߣ߇ߢ߈ߚ㧚
㔚ሶឝ␜᧼ߩ࿁〝㧘࠰ࡈ࠻࠙ࠚࠕ㧘෸߮ࡈࠜࡦ࠻૞ᚑࠛ
࠺ࠖ࠲ߪࡉࡠࠣ(4)ߢ౏㐿ߒߡ߅ࠅ㧘↳ߒ಴߇޽ࠇ߫㔚ሶ࠺࡯
࠲ߩឭଏ߽น⢻ߢ޽ࠆ㧚ᣢߦᢙઙߩ໧޿วࠊߖߦᔕߓߡ࠰
࡯ࠬࡈࠔࠗ࡞ߩឭଏߥߤࠍⴕߥߞߡ߅ࠅ㧘੹ᓟ߽ᐢߊᢎ᧚
ߣߒߡ೑↪ߒߡ㗂ߌࠇ߫ᐘ޿ߢ޽ࠆ㧚
㧔ᐔᚑ 24 ᐕ 9 ᦬ 25 ᣣฃઃ㧕
㧔ᐔᚑ 24 ᐕ 11 ᦬ 7 ᣣฃℂ㧕
ෳ⠨ᢥ₂
(1) http://akizukidenshi.com/catalog/g/gI-05738/
(2) http://www.atmel.com/dyn/products/tools_card.asp?tool_id=2725
(3) http://winavr.sourceforge.net/
(4) http://plaza.rakuten.co.jp/cpu4edu/
熊本高等専門学校　研究紀要　第 4 号（2012）
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