Control LED on EDU:BIT Using IoT Blynk App and Raspberry Pi

MicrobitBlynkSerial.py

from microbit import *
import music

music.play(["C4:1", "G4:1"])

pot_value = 0
pot_prev = 0
data_in = ''

while True:
    # Read serial uart data from Raspberry Pi and control LEDs
    try:
        data_in = uart.read()
        #display.scroll(data_in)

        pin16.write_digital(int(data_in) & 1)
        pin15.write_digital((int(data_in) & 2) >> 1)
        pin14.write_digital((int(data_in) & 4) >> 2)

    except:
        pass

RPiBlynkSerial.py

from gpiozero import LED, Button, Buzzer
from time import sleep
import serial
import BlynkLib

# Replace with your microbit port number
PORT = "/dev/ttyACM0"
BAUD = 115200
s = serial.Serial(PORT)
s.baudrate = BAUD
s.parity   = serial.PARITY_NONE
s.databits = serial.EIGHTBITS
s.stopbits = serial.STOPBITS_ONE
s.timeout  = 1
s.reset_input_buffer()

BLYNK_AUTH = 'Your Auth Blynk Token'
blynk = BlynkLib.Blynk(BLYNK_AUTH)

# Register virtual pin handler
@blynk.VIRTUAL_WRITE(0)
def v0_write_handler(value):
    global ledStatus
    global led1State
    led1State = int(value[0])
    print("V0: {}".format(led1State))
    if led1State == 1:
        ledStatus = ledStatus + 1
    else:
        ledStatus = ledStatus - 1

@blynk.VIRTUAL_WRITE(1)
def v1_write_handler(value):
    global ledStatus
    global led2State
    led2State = int(value[0])
    print("V1: {}".format(led2State))
    if led2State == 1:
        ledStatus = ledStatus + 2
    else:
        ledStatus = ledStatus - 2

@blynk.VIRTUAL_WRITE(2)
def v2_write_handler(value):
    global ledStatus
    global led3State
    led3State = int(value[0])
    print("V2: {}".format(led3State))
    if led3State == 1:
        ledStatus = ledStatus + 4
    else:
        ledStatus = ledStatus - 4

led1State = 0
led2State = 0
led3State = 0

ledStatus = 0
prevLedStatus = 1

blynk.virtual_write(0, 0)
blynk.virtual_write(1, 0)
blynk.virtual_write(2, 0)

while True:
    blynk.run()

    if ledStatus != prevLedStatus:
        print("LED Status: {0:03b}".format(ledStatus))
        s.write(str(ledStatus).encode('UTF-8'))
        prevLedStatus = ledStatus
    
s.close()