Mini Project (Without Microcontroller)



1. RF based Wireless Remote Control
2. Wireless motor control through RF
3. Automatic night lamp
4. Infrared (IR) sensor
5. Relay activation using TSOP 1738
6. Traffic light signal
7. DTMF Decoder
8. Light sensor using photodiode
9. Touch switch
10. Water level controller cum indicator circuit diagram
11. Music (Data) transfer by IR by amplification
12. Working of light dependent resistor
13. Audio amplifier
14. Liquid level Alarm
15. Intruder alarm / Burglar alarm based Home Security System
16. USB Mobile Charger Circuit Diagram
17. Fire alarm
18. Color distinguished using LDR/Color sensor using LDR
19. Variable power supply
20. RF based Intruder Alarm
21. Generating time delay with 555 IC
22. H-bridge using transistor
23. Shadow Alarm using LDR
24. Automatic light/dark indicator
25. RF based Fire Alarm (Overheat Alarm)
26. Darkness detector
27. Power failure alarm
28. Music (Data) transfer by IR
29. Water Sensor Circuit
30. 2 in 1 Doorbell
31. Light dependent frequency variation using LDR
32. Long range IR
33. 555 Timer As Amplifier
34. Relay control by sound
35. Night Lamp using 555
36. Water Tank Overflow Alarm
37. Light detector
38. Fixed voltage power supply
39. 2-1 Quiz Buzzer
40. Seismic sensor
41. Inverting amplifier using 741
42. Opamp as comparator
43. Voltage Doubler Circuit Using IC555
44. Low pass filter
45. Piezo sensor as input
46. Full range centigrade temperature sensor
47. Overheat/Overcooling circuit breaker
48. Magic Eye Circuit Using 4049 IC
49. Transistor as audio amplifier
50. 555 Timer IC Tester
51. Astable mode by NAND gate
52. Relay control through mic
53. Transistor Tester Circuit Diagram
54. Wireless Switch Circuit Diagram
55. Simple AC to DC converter using bridge rectifier
56. Active high trigger for 555 in monostable mode
57. Touch Switch Circuit using 555 Timer
58. Bi Color LED
59. Electronic Dice Circuit
60. Differential amplifier
61. Electronic Letter Box
62. Remote Controlled Toy Car
63. High Pass Filter Circuit
64. Led Flasher Circuit
65. Water level indicator with display
66. Metronome
67. NOT gate monostable
68. NAND gate monostable
69. Vehicle Indicator Circuit
70. Relay operation using Darlington Pair
71. Voltage boost by using a resistor with 78XX
72. Negative supply using 555 IC
73. Bathroom Light Off Timer
74. Electronic alarm for cash box, lockers
75. Sound Operated LED
76. Piezo sensor as output
77. Timer Circuit using IC CD 4060
78. Periodically Turning On & Off Mosquito Repellent Circuit Diagram
79. Security Alarm for Doors, Almirah, cupboards using Opam
80. Sound Generation using 555
81. 90 Second Timer
82. Non inverting amplifier
83. 9-Way Clap Switch Circuit Diagram
84. Vehicle Indicator
85. Electronic Timer Circuit
86. Tone generator Circuit Diagram
87. IC 555 Based Message Display Circuit
88. Remote Control For Home Appliances
89. Electronic Code Lock Circuit
90. Refrigerator Door Alarm
91. Sound generation in audio range
92. Coin Toss/Flip Simulator Circuit
93. Multi Color Lighting
94. Inverting amplifier
95. Sound Operated Switch
96. Audio Amplifier using Opam
97. CD 4060IC based Message Display Circuit
98. Night Lamp with Timer for Stairs
99. Luggage Security Alarm
100. Voltage Doubler Circuit Using IC 4049
101. Dancing LED's
102. LED Lamp Using CA3140 IC
103. CD4049 Based LED torch
104. BCD to 7 Segment display Circuit
105. Transistor Based Secret Bell
106. Inverting amplifier with signal feedback
107. Multi-Utility Flashing Light
108. Secure room access system
109. 4 Player Quiz Buzzer
110. CD 4013 based Sound Sensing Module
111. Automatic Power OFF timer for CD player
112. NE 555 Timer based Automatic Headlight
113. Understanding NOR Gate (CD4001)
114. Toggle flip flop using CD4013
115. Security System
116. Variable power supply and charger with emergency light
117. CD 4013 Based Two Way Switch
118. Flip Flop based Staircase Switch
119. CD 4027 Based Emergency Lighting System
120. Conversion of NAND gate to Basic gates
121. LED Based Pendulum Circuit
122. Automatic Wash Basin Tap Controller
123. CD4001 IC based Lighting System
124. CD 4060 Based Security Alarm
125. Display System used in Restaurant
126. Understanding JK flip flop using CD4027
127. Random Number Generator Using 7 Segment Display
128. Conversion of NOR gate to Basic gates
129. Variable Power Supply From Fixed Voltage Regulator
130. Darkness Detector Alarm
131. Timer Based Code Lock
132. IC555 based Multicolor LED Lamp Circuit Diagram
133. Interfacing 4026 with 7 segment display
134. Number Guessing Game
135. Fading LEDs
136. Remote Tester Circuit
137. NAND Gate as SR Flip Flop
138. UM3561 IC Based Security Alarm
139. Parked Vehicle Indicator
140. Multitone Generator Circuit
141. Polarity cum Continuity Tester
142. Suitcase Security Alarm
143. NOR Gate as SR Flip Flop
144. Electronic Door Bell
145. Understanding Decade Counter CD4017
146. Safety Alarm Circuit
147. Intruder Alarm
148. Toggle switch using CD4017
149. Multipurpose Timer With Musical Alarm
150. Electronic Circuit: Digital Stopwatch
151. Pre Set Off Timer
152. Electronic Code Locking System
153. Water Level Indicator with Display
154. Spell Effect Sign Display Circuit
155. Timer Circuit using IC 4026
156. Curtain Opener Circuit
157. Electronic Thermometer for Beverage Temperature Measurement
158. Transistor based Security Alarm  

Reactions:
Twitter Delicious Facebook Digg Stumbleupon Favorites More

 
Design by deepak punetha