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Electric Vehicle Prototype

fwd-edu-breakout=github:climate-action-kits/pxt-fwd-edu/fwd-breakout
solar=github:climate-action-kits/pxt-fwd-edu

Step 1 @showdialog

Welcome to Electric Vehicle Coding Tutorial built project

Step 2 @showdialog

Plug your USB cable into the micro:bit. breakout board

Step 3 @showdialog

Insert it into the Climate Action Kit board. breakout board

Step 4 @showhint

Click three dots besides |Download| button and follow the steps to pair your micro:bit. pair gif

Step 5 @showhint

Look below the @boardname@ simulator to see the Climate Action Board and the connected sensors. Try to interact with your sensor and the simulator will react to it. line

Step 6

Click ||fwdMotors:Motors|| drag and drop ||fwdMotors:Setup Driving|| block inside ||basic:on start|| loop.

fwdMotors.setupDriving(
fwdMotors.leftServo,
fwdMotors.leftServo,
)

Step 7

Change the ||fwdMotors:right motor to middleServo||. Keep the ||fwdMotors: left motor to leftServo||.

fwdMotors.setupDriving(
fwdMotors.leftServo,
fwdMotors.middleServo,
)

Step 8

Click ||logic:Logic|| drag and drop ||logic:if true then|| block inside ||basic:forever|| loop.

fwdMotors.setupDriving(
fwdMotors.leftServo,
fwdMotors.middleServo,
)
basic.forever(function () {
    if (true) {
            }
    })

Step 9

Click ||logic:Logic|| drag and drop ||logic:if true then|| block under the 1st ||logic:if true then|| block

fwdMotors.setupDriving(
fwdMotors.leftServo,
fwdMotors.middleServo,
)
basic.forever(function () {
    if (true) {
            }
    if (true) {
            }
})

Step 10

Click ||logic:Logic|| drag and drop ||logic:if true then|| block under the 2nd ||logic:if true then|| block. Note: Three ||logic:if true then|| blocks are used.

fwdMotors.setupDriving(
fwdMotors.leftServo,
fwdMotors.middleServo,
)
basic.forever(function () {
    if (true) {
            }
    if (true) {
            }
    if (true) {
            }
})

Step 11

Click ||fwdSensors:Sensors|| drag and drop ||fwdSensors: line1 state is ●|| to replace ||logic:true|| condition of 1st ||logic:if true then|| block.

fwdMotors.setupDriving(
fwdMotors.leftServo,
fwdMotors.middleServo,
)
basic.forever(function () {
    if (fwdSensors.line1.fwdIsLineSensorState(fwdSensors.LineSensorState.Hit)) {
        }
    if (true) {
        }
    if (true) {
        }
})

Step 12

Click ||fwdSensors:Sensors|| drag and drop ||fwdSensors: line2 state is ○|| to replace ||logic:true|| condition of 2nd ||logic:if true then|| block. Note: Use drop down menu to change line number.

fwdMotors.setupDriving(
fwdMotors.leftServo,
fwdMotors.middleServo,
)
basic.forever(function () {
    if (fwdSensors.line1.fwdIsLineSensorState(fwdSensors.LineSensorState.Hit)) {
        }
    if (fwdSensors.line2.fwdIsLineSensorState(fwdSensors.LineSensorState.Miss)) {
        }
    if (true) {
        }
})

Step 13

Click ||fwdSensors:Sensors|| drag and drop ||fwdSensors: line3 state is ●|| to replace ||logic:true|| condition of 3rd ||logic:if true then|| block. Note: Use drop down menu to change line number.

fwdMotors.setupDriving(
fwdMotors.leftServo,
fwdMotors.middleServo,
)
basic.forever(function () {
    if (fwdSensors.line1.fwdIsLineSensorState(fwdSensors.LineSensorState.Hit)) {
        }
    if (fwdSensors.line2.fwdIsLineSensorState(fwdSensors.LineSensorState.Miss)) {
        }
    if (fwdSensors.line3.fwdIsLineSensorState(fwdSensors.LineSensorState.Hit)) {
        }
})

Step 14

Click ||fwdMotors: Motors|| drag and drop ||fwdMotors: Turn 0° in place|| block inside 1st ||logic: if|| ||fwdSensors:line1 state is ●|| ||logic:then|| condition.

fwdMotors.setupDriving(
fwdMotors.leftServo,
fwdMotors.middleServo,
)
basic.forever(function () {
    if (fwdSensors.line1.fwdIsLineSensorState(fwdSensors.LineSensorState.Hit)) {
        fwdMotors.turn(0)
        }
    if (fwdSensors.line2.fwdIsLineSensorState(fwdSensors.LineSensorState.Miss)) {
            }
    if (fwdSensors.line3.fwdIsLineSensorState(fwdSensors.LineSensorState.Hit)) {
        })

Step 15

Change ||fwdMotors:Turn 0°|| to ||fwdMotors:5°||

fwdMotors.setupDriving(
fwdMotors.leftServo,
fwdMotors.middleServo,
)
basic.forever(function () {
    if (fwdSensors.line1.fwdIsLineSensorState(fwdSensors.LineSensorState.Hit)) {
        fwdMotors.turn(5)
        }
    if (fwdSensors.line2.fwdIsLineSensorState(fwdSensors.LineSensorState.Miss)) {
            }
    if (fwdSensors.line3.fwdIsLineSensorState(fwdSensors.LineSensorState.Hit)) {
        })

Step 16

Click ||fwdMotors:Motors|| drag and drop ||fwdMotors:Drive forward 50%|| block inside 2nd ||logic:if|| ||fwdSensors:line2 state is ○|| ||logic:then|| condition. Change the ||fwdMotors:Drive forward 50%|| to ||fwdMotors:20%||

fwdMotors.setupDriving(
fwdMotors.leftServo,
fwdMotors.middleServo,
)
basic.forever(function () {
    if (fwdSensors.line1.fwdIsLineSensorState(fwdSensors.LineSensorState.Hit)) {
        fwdMotors.turn(5)
            }
    if (fwdSensors.line2.fwdIsLineSensorState(fwdSensors.LineSensorState.Miss)) {
        fwdMotors.drive(fwdMotors.DrivingDirection.Forward, 20)
        }
    if (fwdSensors.line3.fwdIsLineSensorState(fwdSensors.LineSensorState.Hit)) {
        }
})

Step 17

Click ||fwdMotors:Motors|| drag and drop ||fwdMotors: Turn 0° in place|| block inside 3rd ||logic:if|| ||fwdSensors:line3 state is ●|| ||logic:then|| condition. Change the ||fwdMotors:Turn 0°|| to ||fwdMotors:-5°||.

fwdMotors.setupDriving(
fwdMotors.leftServo,
fwdMotors.middleServo,
)
basic.forever(function () {
    if (fwdSensors.line1.fwdIsLineSensorState(fwdSensors.LineSensorState.Hit)) {
        fwdMotors.turn(5)
            }
    if (fwdSensors.line2.fwdIsLineSensorState(fwdSensors.LineSensorState.Miss)) {
        fwdMotors.drive(fwdMotors.DrivingDirection.Forward, 20)
        }
    if (fwdSensors.line3.fwdIsLineSensorState(fwdSensors.LineSensorState.Hit)) {
        fwdMotors.turn(-5)
        }
})

Step 18

Click ||basic:Basic|| drag and drop ||basic:pause (ms) 100|| block under ||fwdMotors:Turn 5° in place|| block.

fwdMotors.setupDriving(
fwdMotors.leftServo,
fwdMotors.middleServo,
)
basic.forever(function () {
    if (fwdSensors.line1.fwdIsLineSensorState(fwdSensors.LineSensorState.Hit)) {
        fwdMotors.turn(5)
        basic.pause(100)
    }
    if (fwdSensors.line2.fwdIsLineSensorState(fwdSensors.LineSensorState.Miss)) {
        fwdMotors.drive(fwdMotors.DrivingDirection.Forward, 20)
        }
    if (fwdSensors.line3.fwdIsLineSensorState(fwdSensors.LineSensorState.Hit)) {
        fwdMotors.turn(-5)
        }
})

Step 19

Click ||basic:basic|| drag and drop ||basic:pause (ms) 100|| block under ||fwdMotors:Drive Forward at 20%|| block.

fwdMotors.setupDriving(
fwdMotors.leftServo,
fwdMotors.middleServo,
)
basic.forever(function () {
    if (fwdSensors.line1.fwdIsLineSensorState(fwdSensors.LineSensorState.Hit)) {
        fwdMotors.turn(5)
        basic.pause(100)
    }
    if (fwdSensors.line2.fwdIsLineSensorState(fwdSensors.LineSensorState.Miss)) {
        fwdMotors.drive(fwdMotors.DrivingDirection.Forward, 20)
        basic.pause(100)
    }
    if (fwdSensors.line3.fwdIsLineSensorState(fwdSensors.LineSensorState.Hit)) {
        fwdMotors.turn(-5)
    }
})

Step 20

Click ||basic:basic|| drag and drop ||basic:pause (ms) 100|| block under ||fwdMotors:Turn -5° in place|| block.

fwdMotors.setupDriving(
fwdMotors.leftServo,
fwdMotors.middleServo,
)
basic.forever(function () {
    if (fwdSensors.line1.fwdIsLineSensorState(fwdSensors.LineSensorState.Hit)) {
        fwdMotors.turn(5)
        basic.pause(100)
    }
    if (fwdSensors.line2.fwdIsLineSensorState(fwdSensors.LineSensorState.Miss)) {
        fwdMotors.drive(fwdMotors.DrivingDirection.Forward, 20)
        basic.pause(100)
    }
    if (fwdSensors.line3.fwdIsLineSensorState(fwdSensors.LineSensorState.Hit)) {
        fwdMotors.turn(-5)
        basic.pause(100)
    }
})

Step 21

Click ||fwdMotors:+|| on ||fwdMotors:Setup Driving|| block inside ||basic:on start|| block. Set bias to ||fwdMotors: 0||. Change ||basic:pause (ms) 100|| to ||basic:500|| for all ||basic:pause|| blocks.

fwdMotors.setupDriving(
fwdMotors.leftServo,
fwdMotors.middleServo,
0
)
basic.forever(function () {
    if (fwdSensors.line1.fwdIsLineSensorState(fwdSensors.LineSensorState.Hit)) {
        fwdMotors.turn(5)
        basic.pause(500)
    }
    if (fwdSensors.line2.fwdIsLineSensorState(fwdSensors.LineSensorState.Miss)) {
        fwdMotors.drive(fwdMotors.DrivingDirection.Forward, 20)
        basic.pause(500)
    }
    if (fwdSensors.line3.fwdIsLineSensorState(fwdSensors.LineSensorState.Hit)) {
        fwdMotors.turn(-5)
        basic.pause(500)
    }
})

Step 22 @showhint

|Download| and test your code. The simulator shows how it should work. Congratulations on completing your Electric Vehicle Prototype! - Go back to the lesson for more activities and extensions. line-servos