This document lists 54 microcontroller 8051 projects including automatic control of a three phase induction motor, an automatic college bell, and automatic plant irrigation. The projects utilize various microcontrollers like the AT89S52, AT89C2051, and AT89S8252. They cover areas such as biomedicial monitoring, Bluetooth device control, digital calendars and timers, fingerprint security, and remote control via internet among others.

1. List of Microcontroller 8051 Projects
1. Auto Control of three phase Induction motor (AT89S52)
2. Automatic College Bell (AT89S8252 & DS1307)
3. Automatic plant Irrigation (AT89C2051)
4. Automatic Room light Controller with Visitor Counter (AT89S52)
5. BIOMEDICAL MONITORING SYSTEM (AT89C2051 + TX/RX)
6. Device control through Bluetooth from Symbian OS Mobiles
7. Device Controlling through PC (Visual Basic)
8. Digital Calendar (AT89C2051)
9. Digital Countdown Timer (AT89C2051)
10. Digital IC Tester for 74 series
11. Digital Visitor Counter (AT89C2051)
12. DS1620 Based Temperature Controller (AT89S52)
13. DS1820 Based High Precision Temperature Indicator
14. Electronic Cash Register (ECR)
15. Electronic Voting Machine (AT89S8252)
16. Electronics Components Tester (AT89C52)
17. Fingerprint Based Electronic Voting Machine
18. FingerPrint Based Security System
19. Fire Fighting Robot (AT89S52)
20. Gates Emulator (AT89C2051)
21. Home Security System(AT89S52)
22. Infrared Interruption counter (AT89C2051)
23. InfraRed Remote Switch (6 devices + 1 fan) -AT89S52
24. InfraRed Remote Switch (AT89C2051)
25. Interactive Voice Response System For College Automation (IVRS)
26. Line Following Robot (AT89C2051)
27. Microcontroller Based Caller ID (AT89C2051)
28. Microcontroller Based Digital Clock with Alarm
29. Microcontroller Based Digital code Lock (AT89C2051)
30. Multipattern Running Lights (AT89C2051)
31. Parallel Telephone with auto secrecy (AT89C2051)
32. Password Based Door Locking (AT89C2051)
33. PC -MC communication (AT89C2051 + Tx/Rx)
34. PC BASED DATA LOGGER (AT89S52 + VB)
35. PC Based Digital IC Tester
36. PC Based GPS
37. PC Based Robot (AT89C2051)

2. 38. PC Remote Control
39. Prepaid Energy Meter (AT89S52)
40. REMOTE CONTROL VIA INTERNET (AT89S52 + Ethernet Adaptor))
41. Remote Controlled Digital Clock with DS1307 & AT89C2051
42. RF based Automatic meter reading
43. RF Based Remote control (AT89C2051)
44. RFID Based Attendance System (AT89S52 + RFID)
45. RFID Based Security System (AT89S52 + RFID)
46. SECURED WIRELESS DATA COMMUNICATION (AT89S52)
47. SMS through Telephone (AT89S8252)
48. Solar tracking System (AT89C2051)
49. Telephone Controlled Motor
50. Telephone controlled Remote switch (AT89S52)
51. Temperature controlled Fan (AT89S52)
52. TIME OPERATED ELECTRICAL APPLIANCE CONTROLLING SYSTEM
53. Traffic Light Controller (AT89C2051)
54. Two Line Intercom (AT89C2051)
{ Ref: http://www.8051projects.info/projects.asp}