fizban99

from microbit import spi
from microbit import pin13, pin14, pin15


class HCSR04:

    def __init__(self, tpin=pin15, epin=pin14, spin=pin13):
        self.trigger_pin = tpin
        self.echo_pin = epin
        self.sclk_pin = spin

fizban99

from microbit import uart, pin14, pin15, sleep
from sys import print_exception


class US100:

    def __init__(self, tpin=pin15, rpin=pin14):
        self.tx_pin = tpin
        self.rx_pin = rpin