android / IOS 下需先安裝 V7RC app，使用坦克模式來操作

# 範例十九:

# 用手機 V7RC app 透過 BLE 來控制自走車

# 手機需安裝 V7RC app

# 需要的 module : motor、ble_uart，tools，const

# FB : https://www.facebook.com/mason.chen.1420

from motor import L9110S,Car

import ubluetooth as bt

from ble_uart import BLEUART

from tools import BLETools

from const import BLEConst

import math

CH1 = None

CH2 = None

def rx_callback(data):

CH1 = int(((data).decode('utf-8')[3:7]),10)

CH2 = int(((data).decode('utf-8')[7:11]),10)

print(CH1)

if math.fabs(CH1 - 1500) < 100 and math.fabs(CH2 - 1500) < 100:

car.stop()

elif math.fabs(CH1 - 1500) > math.fabs(CH2 - 1500):

if CH1 > 1500:

car.move(4)

else:

car.move(3)

else:

if CH2 > 1500:

car.move(1)

else:

car.move(2)

CH1 = 1500

CH2 = 1500

m1 = L9110S(25, 26)

m2 = L9110S(32, 33)

car=Car(m1,m2); car.wheel(1, 1)

ble = bt.BLE(); uart = BLEUART(ble, rx_callback,name="ESP32_Car")