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。
組裝說明書
參考接線
參考程式
KittenBlock參考程式
Python參考程式
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。
Last updated
#/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)