from microbit import *

import radio

chnl = 10

radio.config(channel=chnl)

radio.on()

while True:

    y = accelerometer.get_y()

    x = accelerometer.get_x()

    a = button_a.is_pressed()

    b = button_b.is_pressed()

    

    if  (a or x<-300) and y<-300:

        # forwards left

        display.show(Image.ARROW_NW)

        radio.send("NW")

    elif (a or x<-300) and y>300:

        # backwards left

        display.show(Image.ARROW_SW)

        radio.send("SW")

    elif (b or x>300) and y<-300:

        # forwards right

        display.show(Image.ARROW_NE)

        radio.send("NE")

    elif (b or x>300) and y>300:

        # backwards right

        display.show(Image.ARROW_SE)

        radio.send("SE")

    elif y>300:

        #backwards

        display.show(Image.ARROW_S)

        radio.send("S")

    elif y<-300:

        # forwards

        display.show(Image.ARROW_N)

        radio.send("N")

    sleep(20)

from microbit import *

import radio

chnl = 10

radio.config(channel=chnl)

radio.on()

def Drive(lft,rgt):

    pin8.write_digital(0)  ## Go forward

    pin12.write_digital(0) ## Go forward

    if lft<0:

        pin8.write_digital(1)  ## if power < 0 then go backward

        lft = 1023 + lft       ## Power has to be 1023 - leftpower

    if rgt<0:

        rgt = 1023 + rgt  

        pin12.write_digital(1)

    pin0.write_analog(lft)

    pin1.write_analog(rgt)

while True:

    s = radio.receive()

    if s is not None:

        if s=="N":

            Drive(800,800)

        elif s=="S":

            Drive(-800,-800)

        elif s=="NE":

            Drive(800,200)

        elif s=="NW":

            Drive(200,800)

        elif s=="SE":

            Drive(-800,-200)

        elif s== "SW":

            Drive(-200,-800)

    else:

        Drive(0,0)

    sleep(20)