Automatic college campus digital bell system project for computer science and engineering students.

1. ChandraShekhar Patel

2. Problems
Time Value
Accuracy
Human Error
Quick Action
Always Alert
Reliability
Reach
Portable

3. 3
Software
AWS
ANDROID
C Language

4. 4
Hardware
Raspberry pi Sound Device

6. Bell
6

7. Digital
Bell System Digital
Bell System
7

8. ADD
NEW
Bell
Now
Off Annou
nce
Play
Audio
Alert
8
Network
IoT Device
DBS
S R

9. Sound
Device 1
Sound
Device 2
Sound
Device 3
Digital Bell
System
9
Connect to Local
Sound Network

10. Application Layout
ADD NEW Bell Now
Off Announce
Play Audio Alert
10

11. ADD NEW
New
Schedule
New Alert New Time
New Action
Bell Now
Off Announce
Play Audio Alert
11

12. Bell at 10:10 AM
Bell at 11:00 AM
Bell at 11:50 AM
Bell at 12:40 PM
Lunch Time
Bell at 01:10 PM
Bell at 02:00 PM
Normal Lectures Schedule
Lecture : 1
Lecture : 2
Lecture : 3
Lecture : 4
Lecture : 5
Lecture : 6
Bell at 10:10 AM
Bell at 11:10 AM
Bell at 12:10 PM
Bell at 01:10 PM
Lecture : 1
Lecture : 2 F1
Lecture : 3 F2
Lecture : 4 F3
Exam Schedules
12

13. Normal Lectures Schedule
Bell Now
Start Stop
Bell Now
ADD NEW
Off Announce
Play Audio Alert
13

14. Normal Lectures Schedule
Off
Turn ON Turn OFF
System Power ON/OFF
ADD NEW Bell Now
Announce
Play Audio Alert
14

15. Normal Lectures Schedule
Announce
GO
Live
Live Announcement
ADD NEW Bell Now
Off
Play Audio Alert
15

16. Normal Lectures Schedule
Play Audio
Audio Play
In Loop
ADD NEW Bell Now
Off Announce
Alert
16
Select Audio

17. Normal Lectures Schedule
Alert
Live
Stay Alert
ADD NEW Bell Now
Off Announce
Play Audio
17
Safety Protective
Warning Add Alert

18. Digital
Bell System
18
Thank YouThank You

19. Q&A

20. 20

21. Normal Lectures ScheduleApplication Layout
ADD NEW Bell Now
Off Announce
Play Audio Alert
New
Schedule
New
Alert
New
Time
21

22. Bell at 10:10 AM
Bell at 11:00 AM
Bell at 11:50 AM
Bell at 12:40 PM
Lunch Time
Bell at 01:10 PM
Bell at 02:00 PM
22