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Contents

Lesson 1,How to use button control LED

...................................................................................................3

Lesson2, Brightness Measurement

............................................................................................................4

Lesson3, Make a Beeping Noise

.................................................................................................................5

Lesson4. Motor Control

............................................................................................................................. 6

Lesson5.Motion Detection

.........................................................................................................................6

Lesson6. Relay ON/OFF

..............................................................................................................................7

Lesson7.Soil Moisture Detection

............................................................................................................... 8

Lesson8.Sound Detection

.......................................................................................................................... 9

Lesson9.Breathing LED

.............................................................................................................................10

Lesson10.Servo Calibrator

....................................................................................................................... 11

Lesson11.Magnetic Field Detection

.........................................................................................................12

Lesson12.Control the MOSFET as a Switch

..............................................................................................13

Lesson13.Obstacle Detection

...................................................................................................................14

Lesson14. IR Distance Measurement

.......................................................................................................15

Lesson15.Use Microwave Detect Movement

..........................................................................................16

Lesson16.Stairs Lights

.............................................................................................................................. 17

Lesson17.Alarm Clock

.............................................................................................................................. 18

Lesson18.Anti-theft Device

......................................................................................................................19

Lesson19.Mini Fan

................................................................................................................................... 20

Lesson20.Automatic Watering

.................................................................................................................21

Summary of Contents for CRT45259M

Page 1: ...not enough That s why we introduce the Crowtail Start Kit for micro bit to you The crowtail start kit for micro bit can make you do a lot of interesting things and brings endless possibilities to you...

Page 2: ...y ON OFF 7 Lesson7 Soil Moisture Detection 8 Lesson8 Sound Detection 9 Lesson9 Breathing LED 10 Lesson10 Servo Calibrator 11 Lesson11 Magnetic Field Detection 12 Lesson12 Control the MOSFET as a Switc...

Page 3: ...bit x1 Crowtail Base Shield for Micro bit x1 Crowtail LED x1 Sofware Lesson2 Brightness Measurement Our eyes can sense the brightness of the light but it not a accurate value just a sense now let us...

Page 4: ...r x1 Sofware Lesson3 Make a Beeping Noise This Lesson teach you how to use a buzzer with Micro bit Connect the Crowtail Buzzer to P1 interface after you upload the code into the micro bit you will hea...

Page 5: ...e motor rotation As we know the motor need a large current to drive itself so we need a mosfet to control the motor run and stop Connect the Crowtail MOSFET to P1 interface and connect the DC motor to...

Page 6: ...ion sensor to detect movement then with other parts can do many interest application Connect the Crowtail PIR sensor to P2 interface and connect one LED to P1 interface then upload the code when a per...

Page 7: ...e in our daily life so we must to know how to use it Connect the Crowtail Relay to P1 interface then upload the code into Micro bit you will hear a mechanical on off sound from the relay every 2 secon...

Page 8: ...s but not know when and how much to watering the plants so this lesson will teach you detect the soil moisture Connect the Crowtail Moisture sensor to P0 interface then upload the code into micro bit...

Page 9: ...bly it will play a huge role in the field of intelligence this lesson will teach you detect the sound as a switch to power on one LED Connect the Crowtail Sound sensor to P1 interface and connect one...

Page 10: ...r to adjust the PWM frequency the LED will light brighter and brighter then light darker and darker which is like breathing Connect the crowtail LED to P0 interface and connect the crowtial liner pote...

Page 11: ...se buttons to control the servo with different rotating angle and you can view the current angle from the LED dot matrix Connect the Crowtail Servo to P0 interface then upload the code into micro bit...

Page 12: ...gnetic sensor close to the magnet it will have response and the LED will light on Connect the Crowtail Magenet switch to P0 interface and connect the crowtail LED to P1 interface let angle 0 input onB...

Page 13: ...high speed response and high stability we usually use it as a switch in some application this lesson will teach you how to control the MOSFET on off Connect the crowtail MOSFET to P0 interface and co...

Page 14: ...e is the basic function this lesson will teach you how to use IR reflective sensor to detect obstacle Connect the Crowtail IR reflective sensor to P0 interface and connect the crowtail buzzer to P1 in...

Page 15: ...interesting This Lesson will teach you use IR to detect short distance Connect the Crowtail 80cm Infrared Proximity Sensor to P0 interface then upload code aim the probe at the front object you will...

Page 16: ...ponse characteristics so we usually use it in some exploration field Connect the crowtail microwave sensor to P1 interface then upload the code put the sensor in a quiet area if there is activity issu...

Page 17: ...ght not need light all the time only when there are poor light and the pace of someone s footsteps then the light will on Connect the crowtail light sensor to P0 interface connect the crowtail sound s...

Page 18: ...rst connect the Crowtail RTC to the IIC interface to get the real time then set the alarm clock rang time when the time is up the crowtail Buzzer will sound Connect the Crowtail RTC to P0 interface co...

Page 19: ...rity in the movie in this lesson will teach you use microwave to built a Anti theft device if someone enter the detection area the alarm will sound Connect the Crowtail Microwave Sensor to P1 interfac...

Page 20: ...mini Fan we can use a button to control the relay to switch the Fan on or off Connect the Crowtail Switch to P0 interface connect the Crowtail Relay to P1 interface connect the Fan to the other side o...

Page 21: ...its moisture Connect the Crowtail Moisture Sensor to P0 interface connect the Crowtail Relay to P1 interface and connect the pump to another side of the Relay And use two pipe connect the water in an...

Page 22: ...tore make your making easier https www elecrow com let item 0 basic forever item pins analogReadPin AnalogPin P0 if item 450 pins digitalWritePin DigitalPin P1 1 basic pause 20000 pins digitalWritePin...

Page 23: ...Elecrow on line store make your making easier https www elecrow com...

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