[PDF] Arduino : premiers pas en informatique embarquée

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i i

UPUM= 50 = 5V

UPM

UMUP= 05 =5V

I=U

Rě ĕ A

ě V

U=RI 100
101
102
103
104
106
108
101
i

123+ 022+ 121+ 120

18 + 04 + 12 + 11

i

08 + 04 + 12 + 01 = 2

i i i i 1038
1038
1038
1038
i i i i i i i i i i i i i i i i i U=RI

Ur= 51;2 = 3;8V

R=U

IR=3;8

0;02R= 190

i i i i i 100
i i

ě 330

330
i

27 = 14

(0)10(1111)2(15)10(F)16 (0000)2 (0001)2 (0010)2 (0011)2 (0100)2 (0101)2 (0110)2 (0111)2 (1000)2 (1001)2 i i 2:2k

ā 3:3k

3:9k

ā 4:7k

i i i i i i i i i i i i i i i i i i i F=1 T i i

ěE1=E2 E1E2

ěE1> E2S= 1

ěE1< E2S= 0

ěE1=E2 S=indefini

ě A

A1A4 A4

A1 S1 S10

ě Vcomp= 2:5V Ve= 3:5100V

Ve> Vcomp

S10

ě S10

S9

ě 3:75V

ě Vcomp> Ve

ě S9

ě ĕ S8

ě 3:125V

ě Ve> Vcomp

ǴǴ Vcomp

ǴǴ 210 5

210= 0;0048828125V

Vref 2N

ěVref

ěN

4:883mV

2mV 2LSB

ě 4585

1023= 2:235V

ě 4584:88 = 2:235V

Vsignal= (150

100)5 = 2:5V

Vsignal= (125

100)5 = 3:75V

Vsignal= (175

100)5 = 1:25V

i i 10k

U Us

i F=1 T ěF ěT i

ěT= 1ms

ěa= 0:5

hUi=U1aT+U2(TaT) T i

0aT U1

ĕ aT U1aT

U2 TaT

U2(TaT)

hUi=aU1+U2aU2 hUi=a(U1U2) +U2 i hUi=aU1U2= 0

ěU= 5V

ěC= 1000F

ěRcharge= 1k

ěRdecharge= 1k

i =RC ěR ěC

ĕ ĕ 3

5 T i i

20mstemps190ms

i i y=f(x) y=f(x) y0=g(y) y0 y0=g(y) !y0=g(f(x)) i i i

R=f(E)

ěR

Vs=VeR2

R1+R2

Vsignal= (150

100)5 = 2:5V

Vsignal= (125

100)5 = 3:75V

Vsignal= (175

100)5 = 1:25V

1M i i

ěy= 0:01x0:0003

ěy= 2:056x0:0707

x

Temperature= 0:3/0:01 = 30oC

y= 2:056x0:0707

ĕ y= 2:056x Ǵ

x=y i y= 10x+ 22 y22 = 10x x=y22 10

ě0C,0ms,0

ě75C,20ms,100

ĕ x=75

20= 3:75C/ms

i i td=tv f= 1/T i C=Fr

ěC ĕ

ěF i

9:81N'1kg ā ĕ

9:81N:m= 1kg:m

tr/mn 60

1tr/mn= 3601

60= 6/s

360= 2rad

1tr/mn= 21

60=

30rad/s

1rad/s=1

30
=30

9;55trs/mn

V=d t

ěV ĕ

ěd ĕ

ět droue= 0:157m ttour= 3;18tr/s=1

3;18tr:s V=0;157

1

3;18= 0;1573;18V= 0;5m/s

R=!entree

!sortie=Csortie

Centree

ěR

Pelec=UI

Pmeca=C!

i =Psortie

Pentree

=Pmeca Pelec =Pelec Pmeca =PmecaPelec=P84P100= 0;84 i i i argument=x100 255
i

4256 = 1024

R=!entree!sortie=CsortieCentree

kg:cmĕ C=Fr

C ĕF

Pmax=C

d

ěPmax

ěC ĕ

ěd ĕ

i i F=1 T i

ě ɍ V2 ā V1 S

V cc

ěV1> V2 V s= +V cc

ěV1< V2 V s=V cc

ĕ V1 ā

i i i 360
6= 60

2415= 360

i i i i i i i i i x y i i i i i i i i iquotesdbs_dbs42.pdfusesText_42

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