Parallax Boe-Bot Tank Treads Скачать руководство пользователя

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Parallax, Inc.

•

Boe-Bot Tank Tread Kit (#28106)

03/2004

Application with the Memsic 2125 Accelerometer Chip

The Memsic 2125 dual-channel accelerometer can be used with your Boe-Bot Tank Tread kit to keep the

Boe-Bot from flipping over when it encounters very uneven terrain.

Parts Required

This project requires the Boe-Bot Full Kit, Memsic 2125 Accelerometer and the Boe-Bot Tank Tread Kit.

Specifically, you will be adding the following components to your Board of Education:



(2) Infrared transmitter assemblies (#350-00017)



(2) Infrared receivers (#350-00014)



(2) 1K ohm resistor 1/4 watt (#150-01020)



220 ohm resistor 1/4 watt (#150-02210)



(1) Memsic 2125 Dual-axis Accelerometer (#28017)

Wiring Diagram and Pictorial

P15
P14
P13
P12
P11
P10

P7
P6

P9
P8

P5
P4

Vdd

Vss

Vin

Board of Education

Rev C

Vdd

Black

Red

X4 X5

15 14

13 12

To Servos

Содержание Boe-Bot Tank Treads

Страница 1: ...ist Verify the contents of your Boe Bot Tank Tread App Kit to include Documentation 2 metal sides 720 28106 1 Plastic wheel set and 1 Rubber tread set 721 28106 2 Servo horn standard or disk 725 00013...

Страница 2: ...ize 3 32 2 2 mm Figure 1 Modify Disk Horn with Drill or Knife Modify the disk servo horn by drilling or reaming the middle holes larger If using a knife ream from the top and bottom but leave material...

Страница 3: ...8 Screws to Wheels Attaching the 7 8 screws to the wheels 2 large and 6 medium in size Remove the wheels from your Boe Bot The servos should be mounted with the head toward the rear ball wheel as in F...

Страница 4: ...el Attach the remaining wheels by first tightening the nut on the wheel then loosening it a 1 3 a turn Mount with a nut on each side of the frame When the two nuts on each wheel are tightened check to...

Страница 5: ...y wheels bind loosen the nut and remount to maintain a small gap between the wheel and nut Stretch the tread over the wheels and the assembly is done P15 P14 P13 P12 P11 P10 P9 P8 P7 P6 P5 P4 P3 P2 P1...

Страница 6: ...Full Kit Memsic 2125 Accelerometer and the Boe Bot Tank Tread Kit Specifically you will be adding the following components to your Board of Education 2 Infrared transmitter assemblies 350 00017 2 Infr...

Страница 7: ...7 Parallax Inc Boe Bot Tank Tread Kit 28106 03 2004 Schematic 1 2 4 3 5 6 X Vss Vss P5 P4 5 Memsic 2125 Vdd Vss P0 220 Vdd Vss P9 220 P8 IR LED Vss 1 k P1 IR LED Vss 1 k...

Страница 8: ...Definitions LfIrOut PIN 8 left IR LED output LfIrIn PIN 9 left IR sensor input RtIrOut PIN 1 right IR LED output RtIrIn PIN 0 right IR sensor input LMotor PIN 13 left servo motor RMotor PIN 12 right...

Страница 9: ...e around obstacles GOSUB Read_IR_Sensors ON irBits GOSUB Forward Go_Left Go_Right U_Turn LOOP END Subroutines Check_Level PULSIN TiltY IsHigh yAxis check longitudinal tilt yAxis yAxis 100 filter readi...

Страница 10: ...n turn around IF yAxis YThresh THEN GOSUB Back_Up back up if flat terrain ENDIF PULSIN TiltX IsHigh xAxis check longitudinal tilt xAxis xAxis 100 filter reading IF xAxis 24 THEN turn left FOR pulses 1...

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