### ex3-1 ###

>>> from servo import Servo
>>> from machine import Pin
>>> my_servo = Servo(Pin(22))		# 建立伺服馬達物件

>>> my_servo.write_angle(90)		# 轉至 90 度
>>> my_servo.write_angle(0)		# 轉至 0 度



### ex3-2 (LAB02.py) ###

from servo import Servo
from machine import Pin
import time

my_servo = Servo(Pin(22))

my_servo.write_angle(0)
time.sleep(1)
my_servo.write_angle(90)
time.sleep(1)



### ex3-3 ###

>>> from ble_uart import BLE_UART
>>> ble = BLE_UART("door_lock")



### ex3-4 ###

# iPhone 使用者請參考：
https://hackmd.io/@flagmaker/ry6ST-Get



### ex3-5 (LAB03.py) ###

from ble_uart import BLE_UART
from servo import Servo
from machine import Pin

my_servo = Servo(Pin(22))
ble = BLE_UART("你的藍牙 ID")

while True:
    getValue = ble.get()
    getValue = getValue.lower()		# 將取得的英文字母都更改為小寫

    if(getValue == "open"):  
        my_servo.write_angle(0)		# 轉至 0 度
        print("開啟")

    if(getValue == "close"):
        my_servo.write_angle(90)	# 轉至 90 度
        print("關閉")



### ex3-6 ###

>>> from machine import Pin, ADC
>>> adc_pin = Pin(32)
>>> adc = ADC(adc_pin)			# 建立 ADC 物件

>>> adc.width(ADC.WIDTH_12BIT)		# 設定 ADC 解析度為 12 bits
>>> adc.atten(ADC.ATTN_11DB)		# 設定最高感測電壓為 3.6V
>>> adc.read()				# 讀取 ADC 值



### ex3-7 (LAB04.py) ###

from machine import Pin, ADC
import time

adc_pin=Pin(32)             
adc = ADC(adc_pin)			# 建立 ADC 物件
adc.width(ADC.WIDTH_12BIT)		# 設定 ADC 解析度。12BIT代表範圍是 0 ~ 4095
adc.atten(ADC.ATTN_11DB)		# 將最大感測電壓設定成 3.6V，超過 3.6V 時會得到 ADC 最大值 4095

while True:
    vol = (adc.read()/4095) * 3.6
    tem = (vol - 0.5) * 100
    print("目前溫度:", tem)		# 顯示溫度值
    time.sleep(1)



### ex3-8 (LAB05.py) ###

from machine import Pin, ADC
import time
from ble_uart import BLE_UART

adc_pin=Pin(32)
adc = ADC(adc_pin)
adc.width(ADC.WIDTH_12BIT)
adc.atten(ADC.ATTN_11DB)

ble = BLE_UART("temperature")

while True:
    vol = (adc.read()/4095) * 3.6
    tem = (vol - 0.5) * 100
    print("目前溫度:", tem)
    ble.send('temperature:'+ str(tem))	# 傳送溫度值
    time.sleep(1)