Electronics Mini Project Topic Ideas

These project topics are helpful for Electronics Engineering students for doing Mini projects.

1. Water Level Controller using 8051 Microcontroller
2. Police Siren Circuit using NE555 Timer
3. Gas Leakage Alarm Mini Project
4. Polarity cum Continuity Tester
5. PIR Sensor Based Security Alarm
6. Motion Detector Circuit
7. Monostable Multivibrator Circuit Operation
8. Mobile Jammer Circuit
9. Mains Operated LED Light Circuit
10. Low Power Audio Amplifier using 555 Timer
11. Light Activated Switch Circuit
12. LED Running Lights Circuit
13. LED Lamp Dimmer Circuit
14. LED Christmas Lights Circuit
15. Lead Acid Battery Charger Circuit
16. LED Interfacing with 8051
17. Luggage Security Alarm
18. Multiplexer and Demultiplexer
19. One Transistor Electronic Code Lock System
20. Panic Alarm
21. Morse Code Generator Circuit
22. Variable Power Supply and Charger
23. Line Following Robotic Circuit using ATMega8 Microcontroller
24. Hot Water Geyser Controller Circuit
25. FM Transmitter Circuit
26. High and Low Voltage Cutoff with Delay and Alarm
27. Interfacing 7 Segment Display to 8051
28. Interfacing 16X2 LCD to AVR Microcontroller
29. 555 Timer IC Testing Circuit
30. DC Motor Interfacing with 8051 Microcontroller
31. IR Remote Control Switch
32. LC Meter using 555 Timer
33. JK Flip Flop using CD4027
34. 3X3X3 LED Cube
35. Interfacing 16x2 LCD with 8051
36. Intelligent Unambiguous Night Lamp Switcher
37. FM Bugger Circuit
38. Electronic Letter Box
39. Fire Alarm with Siren Sound
40. Interfacing16X2 LCD with PIC Microcontroller
41. Frequency Counter Circuit
42. Mosquito Repellent Circuit
43. DTMF Based Home Automation System Circuit
44. Dummy Alarm Circuit
45. Thermistor Temperature Sensing Alarm
46. Simple 100W Inverter Circuit
47. Battery Level Indicator
48. FM Remote Encoder/Decoder Circuit
49. LED Lamp Circuit using USB Port
50. Wireless Mobile Battery Charger Circuit
51. Basic Logic Gates Using NAND Gate
52. Construction of Basic Logic Gates using NOR Gate
53. Boolean Algebra Calculator
54. Bike Turning Signal Circuit
55. Battery Powered Portable Light
56. 7 Segment LED Display Decoder
57. Battery Charger Circuit
58. Bidirectional Visitor Counter using 8051
59. Bipolar LED Driver Circuit
60. FM Radio Circuit
61. Ding Dong Sound Generator Circuit
62. Car Parking Guard Circuit Using Infrared Sensor
63. Digital Temperature Sensor
64. Curtain Opener/Closer Circuit
65. Interfacing GPS with 8051 Microcontroller
66. Digital Voltmeter Circuit using ICL7107
67. Continuity Tester with Melody
68. Battery Charger Circuit Using SCR
69. Speed Control of DC Motor Using Pulse Width Modulation
70. Auto Turnoff Soldering Iron Circuit
71. Digital Stopwatch Circuit
72. Metal Detector Circuit
73. Digital Tachometer using 8051 Microcontroller
74. Car Battery Charger Circuit
75. Password Based Door Lock System using 8051 Microcontroller
76. Density Based Traffic Signal System using Microcontroller
77. Automatic Washroom Light Switch
78. Automatic Plant Irrigation System
79. Automatic Changeover Switch
80. Auto Intensity Control of Street Lights
81. Audio Equalizer Circuit
82. Air Flow Detector Circuit
83. 100w Subwoofer Amplifier Circuit
84. Automatic Railway Gate Controller with High Speed Alerting System
85. Automatic Street Light Controller Circuit Using Relays and LDR
86. Automatic LED Emergency Light Circuit
87. Random Number Generator using 8051
88. 100W MOSFET Power Amplifier Circuit
89. Auto Night Lamp using High Power LED
90. Clap Switch Circuit for Devices
91. Cell Phone Detector
92. Automatic Door Bell With Object Detection
93. Automatic Battery Charger
94. 12v DC to 220v AC Converter Circuit
95. 12V to 24V DC Converter Circuit
96. Delay using 8051 Timers
97. Automatic Light Beam Shifting Of Vehicles On High Ways
98. Autonomous Self-parking car
99. Ball Picker Robot
100. Automatic Exhaust Fan Control Coupled To Gas Leak Detection
101. 9 Way Clap Switch Circuit
102. 8 Channel Quiz Buzzer Circuit using Microcontroller
103. 5 Channel IR Remote Control System using Microcontroller
104. 2 Digit Up Down Counter
105. 230V LED Driver
106. Automated Vehicle Identification and Toll-Pass System.
107. Automatic Heat Detector
108. 150W Power Amplifier Circuit
109. Celsius Scale Thermometer using AT89C51
110. Remote Operated Alarm Circuit
111. PWM based DC Motor Speed Control using Microcontroller
112. Pull Pin Security Alarm System
113. Automatic solar street light controller
114. TV Remote Control Jammer
115. Transistor Intercom Circuit
116. Toy Organ using 555 Timer IC
117. Touch ON and OFF Switch Circuit
118. Temperature Controlled DC Fan using Microcontroller
119. Remote Control Circuit through RF without microcontroller
120. RFID based Attendance System
121. Rain Alarm Circuit
122. PWM LED Dimmer Using NE555
123. Reverse Parking Sensor Circuit
124. Remote Operated Spy Robot Circuit
125. Reaction Timer Game Circuit
126. Security Alarm Circuit
127. Stun Gun Circuit
128. Audio Tone Control Circuit
129. Simple Fire Alarm Circuits
130. Simple FM Radio Jammer Circuit
131. SR Flip Flop with NAND and NOR Gates
132. Solar Battery Charger Circuit
133. Simple LED Blinking Lights Circuit
134. Sun Tracking Solar Panel
135. Automatic Dusk to Dawn
136. Stepper Motor Interfacing with 8051 Microcontroller
137. Super Sensitive Intruder Alarm
138. Water Level Alarm Using 555 Timer
139. Wailing Siren Circuit
140. Variable Voltage Power Supply from Fixed Voltage Regulator
141. USB Mobile Charger Circuit
142. UP/DOWN Fading LED Lights
143. Understanding 7805 IC Voltage Regulator
144. Wireless Switch Circuit using CD4027
145. Water Level Indicator
146. 555 Timer in Monostable and Astable Multivibrator Modes
147. Unbiased Digital Dice with LEDs
148. Ultrasonic Rangefinder using 8051
149. TV Transmitter Circuit
150. Digital Voltmeter using 8051 Microcontroller
151. Police Lights using 555 Timer


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