Upgrade to Pro — share decks privately, control downloads, hide ads and more …
Sign up for free

Workshops On Designing Electronic Toys #11

Avatar for Hirotaka Nakajima Hirotaka Nakajima
June 17, 2014
180
0

Workshops On Designing Electronic Toys #11

Avatar for Hirotaka Nakajima

Hirotaka Nakajima

June 17, 2014

More Decks by Hirotaka Nakajima

See All by Hirotaka Nakajima
暗号資産カストディアンとセキュリティ
Avatar for Hirotaka Nakajima nunnun
0
170
W3Cについて - インターネット標準勉強会 - 若者編
Avatar for Hirotaka Nakajima nunnun
0
780
プロフェッショナルSSL/TLS勉強会 PKIに対する攻撃 (第4章)
Avatar for Hirotaka Nakajima nunnun
0
1.6k
Paper Summary Encore: Lightweight Measurement of Web Censorship with Cross- Origin Requests
Avatar for Hirotaka Nakajima nunnun
0
230
インターネット -第10回- Firefox OSアプリ開発 応用編
Avatar for Hirotaka Nakajima nunnun
0
940
Introduction to Server Operations and Automations
Avatar for Hirotaka Nakajima nunnun
1
320
Exploring the knowledge on Web
Avatar for Hirotaka Nakajima nunnun
2
130
インフラエンジニアのための次世代プロトコル入門 - 
July TechFesta 2014
Avatar for Hirotaka Nakajima nunnun
36
13k
Workshops On Designing Electronic Toys #10
Avatar for Hirotaka Nakajima nunnun
0
220

Featured

See All Featured
A Soul's Torment
Avatar for Nat Ma seathinner
8
3.6k
svc-hook: hooking system calls on ARM64 by binary rewriting
Avatar for Akira Moroo retrage
2
570
jQuery: Nuts, Bolts and Bling
Avatar for Doug Neiner dougneiner
66
8.6k
The AI Revolution Will Not Be Monopolized: How open-source beats economies of scale, even for LLMs
Avatar for Ines Montani inesmontani
PRO
3
3.7k
What Being in a Rock Band Can Teach Us About Real World SEO
Avatar for Ade Holder 427marketing
0
1.1k
世界の人気アプリ100個を分析して見えたペイウォール設計の心得
Avatar for Akihiro Kokubo akihiro_kokubo
PRO
74
42k
Are puppies a ranking factor?
Avatar for Jono Alderson jonoalderson
2
3.9k
Connecting the Dots Between Site Speed, User Experience & Your Business [WebExpo 2025]
Avatar for Tammy Everts tammyeverts
11
1k
DevOps and Value Stream Thinking: Enabling flow, efficiency and business value
Avatar for Helen Beal helenjbeal
1
390
The Pragmatic Product Professional
Avatar for Laura Van Doore lauravandoore
37
7.4k
Building Experiences: Design Systems, User Experience, and Full Site Editing
Avatar for Michelle Schulp Hunt marktimemedia
1
610
sira's awesome portfolio website redesign presentation
Avatar for ElsiraPls elsirapls
0
410

Transcript

  1. 5IFTFTMJEFTBSFDPQZSJHIU˜)JSPUBLB/BLBKJNB3FEJTUSJCVUFBOEEJTDMPTVSFPGUIFTFTMJEFTBSFOPUQFSNJUUFEXJUIPVUQFSNJTTJPOT ,FJP6OJWFSTJUZMPHPJTMJDFOTFECZJUTDPQZSJHIUIPMEFST Workshops On Designing Electronic Toys #11 Hirotaka Nakajima

    / @nunnun http://about.me/nunnun 1

  2. 5IFTFTMJEFTBSFDPQZSJHIU˜)JSPUBLB/BLBKJNB3FEJTUSJCVUFBOEEJTDMPTVSFPGUIFTFTMJEFTBSFOPUQFSNJUUFEXJUIPVUQFSNJTTJPOT ,FJP6OJWFSTJUZJTMJDFOTFECZJUTDPQZSJHIUIPMEFST Agenda 2 • Using I2C Sensor • Work

    time

  3. 5IFTFTMJEFTBSFDPQZSJHIU˜)JSPUBLB/BLBKJNB3FEJTUSJCVUFBOEEJTDMPTVSFPGUIFTFTMJEFTBSFOPUQFSNJUUFEXJUIPVUQFSNJTTJPOT ,FJP6OJWFSTJUZJTMJDFOTFECZJUTDPQZSJHIUIPMEFST Sensors 3 • Kind • Temperature / Humidity

    • Gyroscope / Accelerometer • Photo sensor (LED sensor) • Pressure • Way to connect • Analog • Digital • I2C

  4. 5IFTFTMJEFTBSFDPQZSJHIU˜)JSPUBLB/BLBKJNB3FEJTUSJCVUFBOEEJTDMPTVSFPGUIFTFTMJEFTBSFOPUQFSNJUUFEXJUIPVUQFSNJTTJPOT ,FJP6OJWFSTJUZJTMJDFOTFECZJUTDPQZSJHIUIPMEFST I2C 4 • Inter-Integrated Circuit • Bus spec

    for internal device communication • Bus speed: 100kbps, 400kbps ~ 3.4Mbps • Shared 2 physical pins for I/O • Clock signal (SCL) • Data transfer (SDA) • 10k pull-up resistor • Master-Slave model • Binary protocol

  5. 5IFTFTMJEFTBSFDPQZSJHIU˜)JSPUBLB/BLBKJNB3FEJTUSJCVUFBOEEJTDMPTVSFPGUIFTFTMJEFTBSFOPUQFSNJUUFEXJUIPVUQFSNJTTJPOT ,FJP6OJWFSTJUZJTMJDFOTFECZJUTDPQZSJHIUIPMEFST I2C 5 • 1. Start bit (1 bit)

    • 2. Slave Address (7 bits) • 3. Read / Write flag • 4. Acknowledgement (1 bit) from slave • 5. Data (8 bits) • 6. Data-Acknowledgement (1 bit) from slave • 7. Stop bit (1 bit) Chart: http://nora66.com/avr/prog2.html

  6. 5IFTFTMJEFTBSFDPQZSJHIU˜)JSPUBLB/BLBKJNB3FEJTUSJCVUFBOEEJTDMPTVSFPGUIFTFTMJEFTBSFOPUQFSNJUUFEXJUIPVUQFSNJTTJPOT ,FJP6OJWFSTJUZJTMJDFOTFECZJUTDPQZSJHIUIPMEFST I2C 6 • 1. Start bit (1 bit)

    • 2. Slave Address (7 bits) • 3. Read / Write flag • 4. Acknowledgement (1 bit) from slave • 5. Data (8 bits) from slave • 6. Data-Acknowledgement (1 bit) • 7. Stop bit (1 bit) Chart: http://nora66.com/avr/prog2.html

  7. 5IFTFTMJEFTBSFDPQZSJHIU˜)JSPUBLB/BLBKJNB3FEJTUSJCVUFBOEEJTDMPTVSFPGUIFTFTMJEFTBSFOPUQFSNJUUFEXJUIPVUQFSNJTTJPOT ,FJP6OJWFSTJUZJTMJDFOTFECZJUTDPQZSJHIUIPMEFST I2C with Arduino 7 • Arduino I2C support:

    Wire
 http://www.arduino.cc/en/Reference/Wire • Lots of libraries for sensors • Today we will use GY-80 • L3G4200D (3 axis gyro) • ADXL345 (3 axis accelerometer) • HMC5883L (compass) • BMP085 (temperature & pressure sensor)

  8. 5IFTFTMJEFTBSFDPQZSJHIU˜)JSPUBLB/BLBKJNB3FEJTUSJCVUFBOEEJTDMPTVSFPGUIFTFTMJEFTBSFOPUQFSNJUUFEXJUIPVUQFSNJTTJPOT ,FJP6OJWFSTJUZJTMJDFOTFECZJUTDPQZSJHIUIPMEFST I2C with Arduino 8 • http://web.sfc.keio.ac.jp/~takefuji/gy80.tar • pin

    • Arduino: A4 (SDA), A5 (SCL) • GY-80: SCL, SDA

  9. 5IFTFTMJEFTBSFDPQZSJHIU˜)JSPUBLB/BLBKJNB3FEJTUSJCVUFBOEEJTDMPTVSFPGUIFTFTMJEFTBSFOPUQFSNJUUFEXJUIPVUQFSNJTTJPOT ,FJP6OJWFSTJUZJTMJDFOTFECZJUTDPQZSJHIUIPMEFST 9

  10. 5IFTFTMJEFTBSFDPQZSJHIU˜)JSPUBLB/BLBKJNB3FEJTUSJCVUFBOEEJTDMPTVSFPGUIFTFTMJEFTBSFOPUQFSNJUUFEXJUIPVUQFSNJTTJPOT ,FJP6OJWFSTJUZJTMJDFOTFECZJUTDPQZSJHIUIPMEFST 2VFTUJPO $PNNFOUT  IJSP!BXBTGDLFJPBDKQ IUUQBCPVUNFOVOOVO !OVOOVO 10