Workshops On Designing Electronic Toys #9

5IFTFTMJEFTBSFDPQZSJHIU)JSPUBLB/BLBKJNB3FEJTUSJCVUFBOEEJTDMPTVSFPGUIFTFTMJEFTBSFOPUQFSNJUUFEXJUIPVUQFSNJTTJPOT ,FJP6OJWFSTJUZMPHPJTMJDFOTFECZJUTDPQZSJHIUIPMEFST Workshops On Designing Electronic Toys #9 Hirotaka Nakajima
/ @nunnun http://about.me/nunnun 1

5IFTFTMJEFTBSFDPQZSJHIU)JSPUBLB/BLBKJNB3FEJTUSJCVUFBOEEJTDMPTVSFPGUIFTFTMJEFTBSFOPUQFSNJUUFEXJUIPVUQFSNJTTJPOT ,FJP6OJWFSTJUZJTMJDFOTFECZJUTDPQZSJHIUIPMEFST Agenda 2 • Demo (Prof. Takefuji) • Sensors
• Schematic Editor • Serial Communication (LED3)

5IFTFTMJEFTBSFDPQZSJHIU)JSPUBLB/BLBKJNB3FEJTUSJCVUFBOEEJTDMPTVSFPGUIFTFTMJEFTBSFOPUQFSNJUUFEXJUIPVUQFSNJTTJPOT ,FJP6OJWFSTJUZJTMJDFOTFECZJUTDPQZSJHIUIPMEFST Demo 3

5IFTFTMJEFTBSFDPQZSJHIU)JSPUBLB/BLBKJNB3FEJTUSJCVUFBOEEJTDMPTVSFPGUIFTFTMJEFTBSFOPUQFSNJUUFEXJUIPVUQFSNJTTJPOT ,FJP6OJWFSTJUZJTMJDFOTFECZJUTDPQZSJHIUIPMEFST Final Project 4 • According to Syllabus:  It
is mandatory to present/demonstrate your masterpiece (electronic gadget) with written reports. ! • Electronic Gadget • Must have some sensor • Report • Written reports • Circuit Diagram

5IFTFTMJEFTBSFDPQZSJHIU)JSPUBLB/BLBKJNB3FEJTUSJCVUFBOEEJTDMPTVSFPGUIFTFTMJEFTBSFOPUQFSNJUUFEXJUIPVUQFSNJTTJPOT ,FJP6OJWFSTJUZJTMJDFOTFECZJUTDPQZSJHIUIPMEFST Sensors 5 • Kind • Temperature / Humidity
• Gyroscope / Accelerometer • Photo sensor (LED sensor) • Pressure • Way to connect • Analog • Digital • I2C

5IFTFTMJEFTBSFDPQZSJHIU)JSPUBLB/BLBKJNB3FEJTUSJCVUFBOEEJTDMPTVSFPGUIFTFTMJEFTBSFOPUQFSNJUUFEXJUIPVUQFSNJTTJPOT ,FJP6OJWFSTJUZJTMJDFOTFECZJUTDPQZSJHIUIPMEFST Schematic Editor 6 • Circuit Diagram • Show
the components and   connections ! ! • Fritzing  http://fritzing.org/download/

5IFTFTMJEFTBSFDPQZSJHIU)JSPUBLB/BLBKJNB3FEJTUSJCVUFBOEEJTDMPTVSFPGUIFTFTMJEFTBSFOPUQFSNJUUFEXJUIPVUQFSNJTTJPOT ,FJP6OJWFSTJUZJTMJDFOTFECZJUTDPQZSJHIUIPMEFST Draw LED2 circuit diagram 7 • LED0 circuit
diagram  http://hirotaka.org/led0.fzz • Change diagram from led0 to led2

5IFTFTMJEFTBSFDPQZSJHIU)JSPUBLB/BLBKJNB3FEJTUSJCVUFBOEEJTDMPTVSFPGUIFTFTMJEFTBSFOPUQFSNJUUFEXJUIPVUQFSNJTTJPOT ,FJP6OJWFSTJUZJTMJDFOTFECZJUTDPQZSJHIUIPMEFST Serial Communication 8 • Way to communicate between
PCs • Wireless LAN • Ethernet • Serial: Most basic / old network • Serial (RS-232C, UART) • Simple pin assign (Tx / Rx / GND) • end-to-end communication • Very slow  (max 115,200 bps, e.g. WiFi 54Mbps = 54000kbps)

5IFTFTMJEFTBSFDPQZSJHIU)JSPUBLB/BLBKJNB3FEJTUSJCVUFBOEEJTDMPTVSFPGUIFTFTMJEFTBSFOPUQFSNJUUFEXJUIPVUQFSNJTTJPOT ,FJP6OJWFSTJUZJTMJDFOTFECZJUTDPQZSJHIUIPMEFST Serial in Arduino 9 • Atmega 328p has
UART(≒Serial) interface • RX (pin2), TX (pin3) (Check with pin mapping)  http://arduino.cc/en/Hacking/PinMapping168 • Connect RX to TX, TX to RX • 328 TX -> AE-UW232R RxD • 328 RX -> AE-UW232R TxD • Use Serial library to setup serial connection • Serial.begin to setup the connection • Serial.println to send the data to PC

5IFTFTMJEFTBSFDPQZSJHIU)JSPUBLB/BLBKJNB3FEJTUSJCVUFBOEEJTDMPTVSFPGUIFTFTMJEFTBSFOPUQFSNJUUFEXJUIPVUQFSNJTTJPOT ,FJP6OJWFSTJUZJTMJDFOTFECZJUTDPQZSJHIUIPMEFST 10

5IFTFTMJEFTBSFDPQZSJHIU)JSPUBLB/BLBKJNB3FEJTUSJCVUFBOEEJTDMPTVSFPGUIFTFTMJEFTBSFOPUQFSNJUUFEXJUIPVUQFSNJTTJPOT ,FJP6OJWFSTJUZJTMJDFOTFECZJUTDPQZSJHIUIPMEFST LED3 11 • Send the data to PC
through serial • http://web.sfc.keio.ac.jp/~takefuji/led3.tar ! • If you have done, draw diagram • AE-UM232R fritzing data  http://www.densikit.com/home/fritzing

5IFTFTMJEFTBSFDPQZSJHIU)JSPUBLB/BLBKJNB3FEJTUSJCVUFBOEEJTDMPTVSFPGUIFTFTMJEFTBSFOPUQFSNJUUFEXJUIPVUQFSNJTTJPOT ,FJP6OJWFSTJUZJTMJDFOTFECZJUTDPQZSJHIUIPMEFST 12 int ledPin=8; int sensorPin = A0; int
sensorValue = 0; ! void setup(){ pinMode(ledPin, OUTPUT); Serial.begin(9600); } ! void loop(){ sensorValue = analogRead(sensorPin); if(sensorValue>250){ digitalWrite(ledPin, 0); } else { digitalWrite(ledPin,1); } Serial.println(sensorValue,DEC); delay(1000); }

5IFTFTMJEFTBSFDPQZSJHIU)JSPUBLB/BLBKJNB3FEJTUSJCVUFBOEEJTDMPTVSFPGUIFTFTMJEFTBSFOPUQFSNJUUFEXJUIPVUQFSNJTTJPOT ,FJP6OJWFSTJUZJTMJDFOTFECZJUTDPQZSJHIUIPMEFST LED3’ 13 • LED is turned on if
the sensor value is > 250 • It works with speciﬁc LED but not works mine (for example) • Threshold should be based on the environment • Sensor LED data several times • Determine the threshold ! • Let’s change the program!

5IFTFTMJEFTBSFDPQZSJHIU)JSPUBLB/BLBKJNB3FEJTUSJCVUFBOEEJTDMPTVSFPGUIFTFTMJEFTBSFOPUQFSNJUUFEXJUIPVUQFSNJTTJPOT ,FJP6OJWFSTJUZJTMJDFOTFECZJUTDPQZSJHIUIPMEFST 2VFTUJPO $PNNFOUT IJSP!BXBTGDLFJPBDKQ IUUQBCPVUNFOVOOVO !OVOOVO 14

Workshops On Designing Electronic Toys #9

Workshops On Designing Electronic Toys #9

Hirotaka Nakajima

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5IFTFTMJEFTBSFDPQZSJHIU)JSPUBLB/BLBKJNB3FEJTUSJCVUFBOEEJTDMPTVSFPGUIFTFTMJEFTBSFOPUQFSNJUUFEXJUIPVUQFSNJTTJPOT ,FJP6OJWFSTJUZMPHPJTMJDFOTFECZJUTDPQZSJHIUIPMEFST Workshops On Designing Electronic Toys #9 Hirotaka Nakajima

5IFTFTMJEFTBSFDPQZSJHIU)JSPUBLB/BLBKJNB3FEJTUSJCVUFBOEEJTDMPTVSFPGUIFTFTMJEFTBSFOPUQFSNJUUFEXJUIPVUQFSNJTTJPOT ,FJP6OJWFSTJUZJTMJDFOTFECZJUTDPQZSJHIUIPMEFST Agenda 2 • Demo (Prof. Takefuji) • Sensors

5IFTFTMJEFTBSFDPQZSJHIU)JSPUBLB/BLBKJNB3FEJTUSJCVUFBOEEJTDMPTVSFPGUIFTFTMJEFTBSFOPUQFSNJUUFEXJUIPVUQFSNJTTJPOT ,FJP6OJWFSTJUZJTMJDFOTFECZJUTDPQZSJHIUIPMEFST Demo 3

5IFTFTMJEFTBSFDPQZSJHIU)JSPUBLB/BLBKJNB3FEJTUSJCVUFBOEEJTDMPTVSFPGUIFTFTMJEFTBSFOPUQFSNJUUFEXJUIPVUQFSNJTTJPOT ,FJP6OJWFSTJUZJTMJDFOTFECZJUTDPQZSJHIUIPMEFST Final Project 4 • According to Syllabus:  It

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

5IFTFTMJEFTBSFDPQZSJHIU)JSPUBLB/BLBKJNB3FEJTUSJCVUFBOEEJTDMPTVSFPGUIFTFTMJEFTBSFOPUQFSNJUUFEXJUIPVUQFSNJTTJPOT ,FJP6OJWFSTJUZJTMJDFOTFECZJUTDPQZSJHIUIPMEFST Schematic Editor 6 • Circuit Diagram • Show

5IFTFTMJEFTBSFDPQZSJHIU)JSPUBLB/BLBKJNB3FEJTUSJCVUFBOEEJTDMPTVSFPGUIFTFTMJEFTBSFOPUQFSNJUUFEXJUIPVUQFSNJTTJPOT ,FJP6OJWFSTJUZJTMJDFOTFECZJUTDPQZSJHIUIPMEFST Draw LED2 circuit diagram 7 • LED0 circuit

5IFTFTMJEFTBSFDPQZSJHIU)JSPUBLB/BLBKJNB3FEJTUSJCVUFBOEEJTDMPTVSFPGUIFTFTMJEFTBSFOPUQFSNJUUFEXJUIPVUQFSNJTTJPOT ,FJP6OJWFSTJUZJTMJDFOTFECZJUTDPQZSJHIUIPMEFST Serial Communication 8 • Way to communicate between

5IFTFTMJEFTBSFDPQZSJHIU)JSPUBLB/BLBKJNB3FEJTUSJCVUFBOEEJTDMPTVSFPGUIFTFTMJEFTBSFOPUQFSNJUUFEXJUIPVUQFSNJTTJPOT ,FJP6OJWFSTJUZJTMJDFOTFECZJUTDPQZSJHIUIPMEFST Serial in Arduino 9 • Atmega 328p has

5IFTFTMJEFTBSFDPQZSJHIU)JSPUBLB/BLBKJNB3FEJTUSJCVUFBOEEJTDMPTVSFPGUIFTFTMJEFTBSFOPUQFSNJUUFEXJUIPVUQFSNJTTJPOT ,FJP6OJWFSTJUZJTMJDFOTFECZJUTDPQZSJHIUIPMEFST 10

5IFTFTMJEFTBSFDPQZSJHIU)JSPUBLB/BLBKJNB3FEJTUSJCVUFBOEEJTDMPTVSFPGUIFTFTMJEFTBSFOPUQFSNJUUFEXJUIPVUQFSNJTTJPOT ,FJP6OJWFSTJUZJTMJDFOTFECZJUTDPQZSJHIUIPMEFST LED3 11 • Send the data to PC

5IFTFTMJEFTBSFDPQZSJHIU)JSPUBLB/BLBKJNB3FEJTUSJCVUFBOEEJTDMPTVSFPGUIFTFTMJEFTBSFOPUQFSNJUUFEXJUIPVUQFSNJTTJPOT ,FJP6OJWFSTJUZJTMJDFOTFECZJUTDPQZSJHIUIPMEFST 12 int ledPin=8; int sensorPin = A0; int

5IFTFTMJEFTBSFDPQZSJHIU)JSPUBLB/BLBKJNB3FEJTUSJCVUFBOEEJTDMPTVSFPGUIFTFTMJEFTBSFOPUQFSNJUUFEXJUIPVUQFSNJTTJPOT ,FJP6OJWFSTJUZJTMJDFOTFECZJUTDPQZSJHIUIPMEFST LED3’ 13 • LED is turned on if

5IFTFTMJEFTBSFDPQZSJHIU)JSPUBLB/BLBKJNB3FEJTUSJCVUFBOEEJTDMPTVSFPGUIFTFTMJEFTBSFOPUQFSNJUUFEXJUIPVUQFSNJTTJPOT ,FJP6OJWFSTJUZJTMJDFOTFECZJUTDPQZSJHIUIPMEFST 2VFTUJPO $PNNFOUT IJSP!BXBTGDLFJPBDKQ IUUQBCPVUNFOVOOVO !OVOOVO 14