# 智慧停車場

模擬智能停車場，自動打開閘門讓汽車駛進或駛出，自動檢測停車場的空位數量。

![](https://kittenbothk.readthedocs.io/en/latest/_images/parking1.jpg)

### 組裝說明書

[組裝說明書下載](https://github.com/kittenbothk/kittenbothk/raw/master/Kits/future_inventor/instructions/pdf/parking.pdf)

### 參考接線

![](https://kittenbothk.readthedocs.io/en/latest/_images/parking_wire1.png)

### 參考程式

#### KittenBlock參考程式

![](https://kittenbothk.readthedocs.io/en/latest/_images/parking_code.png)

[參考程式下載](https://github.com/kittenbothk/kittenbothk/raw/master/Kits/future_inventor/instructions/sb3/parking.sb3)

#### Python參考程式

```
#/bin/python

from time import sleep
from future import *
from machine import RTC
rtc = RTC()
from sugar import *
import ntptime
import robotbit

x = 0
last_state = 0
curr_state = 0
start_time = 0
end_time = 0
time = 0



wifi.connect(str(""), "")

ntptime.settime(int(8))

start_time = (rtc.datetime()[int(6)] + (rtc.datetime()[int(5)] * 60 + rtc.datetime()[int(4)] * 3600))

last_state = Tracker("P2").value() == 1

curr_state = Tracker("P2").value() == 1

start_time = 0

end_time = 0

robot = robotbit.RobotBit()

robot.geekServo2kg(1, 180)

screen.clear()

screen.text(str("Parking Available"),5,10,1,(0, 119, 255))

LED("P0").state('OFF')

LED("P1").state('ON')

while True:
  curr_state = Tracker("P2").value() == 1
  if not last_state == curr_state:
    if curr_state == 1 and last_state == 0:
      end_time = (rtc.datetime()[int(6)] + (rtc.datetime()[int(5)] * 60 + rtc.datetime()[int(4)] * 3600))
      robot.geekServo2kg(1, 90)
      buzzer.melody(NOTICE)
      screen.clear()
      time = (end_time - start_time)
      screen.text(str(str("Time: ")+str(time)),5,10,2,(0, 119, 255))
      screen.text(str(str("Fee: ")+str(time * 10)),5,30,2,(0, 119, 255))
      screen.text(str("Thank You"),5,50,2,(0, 119, 255))
      sleep(5)
      robot.geekServo2kg(1, 180)
    if curr_state == 0 and last_state == 1:
      start_time = (rtc.datetime()[int(6)] + (rtc.datetime()[int(5)] * 60 + rtc.datetime()[int(4)] * 3600))
      buzzer.melody(POWER_UP)
    last_state = curr_state
    if curr_state == 1:
      screen.clear()
      screen.text(str("Parking Available"),5,10,1,(0, 119, 255))
      LED("P0").state('OFF')
      LED("P1").state('ON')
    else:
      screen.clear()
      screen.text(str("Not Available"),5,10,1,(0, 119, 255))
      LED("P0").state('ON')
      LED("P1").state('OFF')
  else:
    if TOFDistance().value() < 50 and curr_state == 1:
      robot.geekServo2kg(1, 90)
      buzzer.melody(BA_DING)
      sleep(5)
      robot.geekServo2kg(1, 180)
```

[參考程式下載](https://github.com/kittenbothk/kittenbothk/raw/master/Kits/future_inventor/instructions/py/parking.py)

### 模型玩法

將小車放到閘門前，閘門就會打開。將小車泊到泊車位，門口的紅色LED會亮起。

當停車位已滿，閘門就不會打開讓其他車駛入。將車子駛離泊車位，閘門就會自動打開並且計算泊車費用。


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