Slide 1 Chapter #7: Measuring Light Light Sensor Circuit Parts (1) (1)Resistor – 220 Ω...

Chapter #7: Measuring LightChapter #7: Measuring LightLight Sensor Circuit Parts(1) Resistor – 220 Ω (red-red-brown) (1) Capacitor – 0.1 F(1) Capacitor – 0.01 F

(1) Jumper wire (1) Photoresistor

Light Sensor Circuit

Excerpts from pages 190 – 192…(Activity #1: Building and Testing the Light Meter

Chapter #7: Measuring LightChapter #7: Measuring Light

TestPhotoresistor.bs2

HIGH 2

PAUSE 100

RCTIME 2, 1, time

Excerpt from page 192


TestPhotoresistor.bs2

Excerpt from page 151, 192

ReadPotWithRcTime.bs2


Excerpt from page 193, 195, 196

Activity #2: Graphing Light Measurements


Excerpt from page 196-197


Excerpt from page 198

Activity #3: Tracking Light Events


Excerpt from page 200-203

StoreLightMeasurementsInEeprom.bs2

ReadLightMeasurementsFromEeprom.bs2

Chapter #6: Digital DisplayChapter #6: Digital Display

Excerpts from pages 165


Display Parts(8) Resistors – 1 kΩ (brown-black-red)(5) Jumper wires(1) 7-segment LED

G

F

A

B

E

D

C

10 9 7 6

1 2 4 5

Com monCathode

Com monCathode

E D C DP

G F A B

8

3

E C B A F

LED ’s

3 8

G DP

1 4 6 7 9 10 5

P15

P14

P13

P12

P11

P10

P9

P8

P7

P6

P5

P4

P3

P2

P1

P0

X2 X3

Vdd

Vss

Vin

EDP

CD G F A B

Excerpts from pages 166-7, 172-173

E C BAF

LED ’s

com m on

GDP

Vss

1 k

P8

P9

P10

P11

P12

P13

P14

P15


SegmentTestWithHighLow.bs2'{$STAMP BS2}'{$PBASIC 2.5}

pinCounter VAR Nib

DEBUG "I/O Pin", CR, "-------", CR

FOR pinCounter = 8 TO 15

DEBUG DEC2 pinCounter, CR HIGH pinCounter PAUSE 1000 LOW pinCounter

NEXT

P15

P14

P13

P12

P11

P10

P9

P8

P7

P6

P5

P4

P3

P2

P1

P0

X2 X3

Vdd

Vss

Vin

EDP

CD G F A B

Excerpts from pages 173-174

G

F

A

B

E

D

C

10 9 7 6

1 2 4 5

Com monCathode

Com monCathode

E D C DP

G F A B

8

3

√ Predict which segment will glow. How long will each segment glow? In what order will they glow?

√ Run the example program shown on this slide and compare to your predictions.


Excerpt from: DisplayDigits.bs2

'{$STAMP BS2}'{$PBASIC 2.5}

OUTH = %00000000 DIRH = %11111111' BAFG.CDE ' Digit:OUTH = %11100111 ' 0PAUSE 1000OUTH = %10000100 ' 1PAUSE 1000OUTH = %11010011 ' 2PAUSE 1000OUTH = %11010110 ' 3PAUSE 1000OUTH = %10110100 ' 4PAUSE 1000

OUTH = %00000000DIRH = %11111111

P15

P14

P13

P12

P11

P10

P9

P8

P7

P6

P5

P4

P3

P2

P1

P0

X2X3

Vd

dV

ssV

in

OUTH = %11010110

P15

P14

P13

P12

P11

P10

P9

P8

P7

P6

P5

P4

P3

P2

P1

P0

X2X3

Vdd

Vss

Vin

‘ BAFG.CDE


G

F

A

B

E

D

C

10976

1245

CommonCathode

CommonCathode

E DC DP

G FA B

8

3

Chapter #6: Digital DisplayChapter #6: Digital DisplayFOR index = 0 TO 9

LOOKUP index, [ %11100111, %10000100, %11010011, %11010110, %10110100, %01110110, %01110111, %11000100, %11110111, %11110110 ], OUTH

DEBUG " ", DEC2 index, " ", BIN8 OUTH, CR

PAUSE 1000

NEXT

Excerpt from: DisplayDigitsWithLookup.bs2


Lookup tables are useful for many things.

√ Make notes on how the LOOKUP command is used to

place a predetermined sequence of bit patterns into the

OUTH variable.

Chapter #9: Electronic Building Chapter #9: Electronic Building BlocksBlocks

Excerpts from pages 261, 263, 265



Transistor

Chapter 10: Running the Whole Chapter 10: Running the Whole ShowShow


Chapter 10: Running the Whole Chapter 10: Running the Whole ShowShow

Excerpts from pages 287, 291

Slide 1 Chapter #7: Measuring Light Light Sensor Circuit Parts (1) (1)Resistor – 220 Ω...

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