iBuilds/pxt-PTKidsBIT-IoT 2.1.4 GitHub

PTKidsBIT block package for PT-BOT KidsBIT: IoT

powered by micro:bit

The package adds support PTKidsBIT board from PT-BOT.

micro:bit Pin Assignment

• P0 – Connected to Buzzer
• P1 – Digital Input/Output and Analog Input/Output
• P2 – Digital Input/Output and Analog Input/Output
• P8 – Connected to RX Pin ESP8266
• P12 – Connected to TX Pin ESP8266
• P13 – DigitalWrite Pin for DC motor control direction 1
• P14 – AnalogWrite Pin for DC motor speed control 1
• P15 – DigitalWrite Pin for DC motor control direction 2
• P16 – AnalogWrite Pin for DC motor speed control 2
• P19 – SCL connected to I2C-based 12-bit ADC chip (ADS7828) and PWM chip (PCA9685)
• P20 – SDA connected to I2C-based 12-bit ADC chip (ADS7828) and PWM chip (PCA9685)

Blocks preview

motorWrite Block

Use PTKidsBIT’s MotorWrite block to drives 1 motor forward and backward. The speed motor is adjustable between 0 to 100.

• The motor must be select either 1 or 2
• Speed is an integer value between -100 to 100 (Greater than 0 is forward, less than 0 is backward)

PTKidsBIT.motorWrite(Motor_Write.Motor_1, 50)

motorGo Block

Use PTKidsBIT’s motorGo block to drives 2 motor forward and backward. The speed motor is adjustable between 0 to 100.

• The motor1 must be select -100 to 100 (Greater than 0 is forward, less than 0 is backward)
• The motor2 must be select -100 to 100 (Greater than 0 is forward, less than 0 is backward)

PTKidsBIT.motorGo(50, -50)

Turn Block

Use PTKidsBIT’s Turn block to control the robot movment by turning. The one motor will stop, another one is moving.

• The Turn must be select either Left or Right
• Speed is an integer value between 0 to 100

PTKidsBIT.Turn(_Turn.Left, 50)

Spin Block

Use PTKidsBIT’s Spin block to control both motors separately. For example, choose one motor spin with forward direction another one spin with backward direction.

• The Spin must be select either Left or Right
• Speed is an integer value between 0 to 100

PTKidsBIT.Spin(_Spin.Left, 50)

Motor Stop Block

Use PTKidsBIT’s Motor Stop block is used to stop both motors.

PTKidsBIT.motorStop()

servoWrite Block

Use PTKidsBIT’s servoWrite block for control the servo’s moving degree from 0 to 180

• The Servo must be select either P8 or P12
• Degree is an integer value between 0 - 180
• Mode must be select either Released or Lock

PTKidsBIT.servoWrite(Servo_Write.P8, 180)

WaitClick Block

Use PTKidsBIT’s WaitClick block for Wait for the command from the button.

• Select Pin for connecting to the button.
• Select Pressed or Released.

PTKidsBIT.waitClick(Button_Pin.P1, Button_Status.Pressed)

ADCRead Block

Use PTKidsBIT’s ADCRead block for read analog from ADC channels. The resolution is 0 to 4095. PTKidsBIT have 8 channel ADC.

• Select Pin from 0 to 7 for reading the analog sensor.

basic.forever(function () {
    basic.showNumber(PTKidsBIT.ADCRead(ADC_Read.ADC0))
})

SensorCalibrate Block

Use PTKidsBIT’s SensorCalibrate block for calibration line follower sensor, left sensor and right sensor.

• Select ADC channels between 0 to 7 for calibrate sensor.

The calibration process is as follows

• Place the line follower sensor on the line, press Button A once and wait until the buzzer sounds.
• Place left and right sensor on the line, press Button A once and wait until the buzzer sounds.
• Place all sensor on the floor, press Button A once and wait until the buzzer sounds.

PTKidsBIT.SensorCalibrate([1, 0, 7, 6])

LINESensorSET Block

Use PTKidsBIT’s LINESensorSET block for select the ADC channel connected to the sensor.

• LINESensorSET is ADC channels between 0 to 7 for line follower sensor.
• Sensor Left is ADC channels between 0 to 7 for sensor left.
• Sensor Right is ADC channels between 0 to 7 for sensor right.
• The ON OFF Sensor, Pin or Disable must be selected for the sensor on or off.

PTKidsBIT.LINESensorSET(
    [1, 0, 7, 6],
    [2],
    [5],
    LED_Pin.Disable
)

ForwardLINE Block

Use PTKidsBIT’s ForwardLINE blog for the robot to follow the line forward. When the specified line is found, the robot will stop.

• Direction is The direction in which the robot moves. Select Forward or Backward.
• Find is the line to detect. Select Left, Center or Right
• Min Speed is minimum speed between 0 to 100
• Max Speed is maximum speed between 0 to 100
• Break Time is the time for the Motor to reverse to brake when the Robot stops.
• KP value for control the robot
• KD value for control the robot

PTKidsBIT.ForwardLINE(
    Forward_Direction.Forward,
    Find_Line.Left,
    30,
    60,
    0,
    0.05,
    0.1
)

ForwardTIME Block

Use PTKidsBIT’s ForwardTIME blog for the robot to follow the line forward. When the time, the robot will stop.

• Direction is The direction in which the robot moves. Select Forward or Backward.
• Time is set time.
• Min Speed is minimum speed between 0 to 100
• Max Speed is maximum speed between 0 to 100
• KP value for control the robot
• KD value for control the robot

PTKidsBIT.ForwardTIME(
    Forward_Direction.Forward,
    200,
    60,
    100,
    0.03,
    0.1
)

TurnLINE Block

Use PTKidsBIT’s TurnLINE block for the Robot to turn until it detects a line.

• TurnLINE is direction to turn the robot. Select Left or Right
• Speed is maximun speed between 0 to 100
• Sensor is the sensor you want the robot to stop.
• Fast Time is the time at the maximum robot speed before a line is detected.
• Break Time is the time for the Motor to reverse to brake when the Robot stops.

PTKidsBIT.TurnLINE(
    Turn_Line.Left,
    60,
    2,
    200,
    0
)

Supported targets

• for PXT/microbit

License

MIT

PTKidsBIT=github:iBuilds/pxt-ptkidsbit

PTKidsBIT-IoT=github:iBuilds/pxt-PTKidsBIT-IoT#v2.1.4