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پروژه های AVR . رایگان - مجموعه 88 پروژه الهام بخش
 
پروژه های AVR . رایگان
درباره وبلاگ



مدیر وبلاگ : محسن جنیدی
آمار وبلاگ
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31

IR Remote Control Switch: By using this circuit, we can control any house hold appliance with the help of remote. In this project, there are two parts – one is in transmitting section and the other is in receiving section. Receiving section will be in a stable position which is connected to any load and transmitter will act as a normal remote.

32

Simple FM Radio Jammer Circuit: This is a Jammer circuit which is used to block the signals. Jammer circuit produces the high frequency signal which will confuse the receiver of particular system from receiving the signal, even though circuit is working properly, user of the system feels that circuit is not working properly.

33

Mobile Jammer Circuit: This circuit is used to block the signals of cell phones with in the range of 100 meters. This circuit can be used in TV transmission and also for remote controlled toys or play things.

34

Simple Fire Alarm Circuits: Here are two simple fire alarm circuits which are used to detect the fire automatically and inform to the people immediately with an alarm.

35

LED Flasher Circuit: LED Flasher is a simple circuit which will blink the LEDs in regular time period. This circuit can be used for decoration purpose or can be used for a signaling purpose and many more.

36

Morse Code Generator Circuit: This is a circuit used to generate morse code. Morse code is very old and versatile technique to send text messages using wireless media.

37

Motion Detector Circuit: The motion detector is not only used as intruder alarm but also used in many applications like home automation system, energy efficiency system, etc. The motion detector will detect the motion of the people or objects and give the appropriate output according to the circuit.

38

Rain Alarm Circuit: Rain water detector will detect the rain and make an alert; rain water detector is used in the irrigation field, home automation, communication, automobiles etc. Here is the simple and reliable circuit of rain water detector which can be constructed at low cost.

39

Automatic Plant Irrigation System: This project circuit is more useful in watering plants automatically without any human interference. It is more useful when the owner is not present in the home for few days.

40

555 Timer in Monostable Multivibrator Mode: The circuit is triggered by a falling edge, that is, by a sudden transition from HIGH to LOW. The trigger pulse, produced by pressing the button, must be of shorter duration than the intended output pulse.

41

Touch ON and OFF Switch Circuit: This Touch ON/OFF Switch circuit is more useful in such a way that we can automatically ON or OFF any switch by touching a device without moving from our place.

42

Automatic Street Light Controller Circuit Using Relays and LDR: This circuit helps in automatically turn ON/OFF the street lights using relays and LDR. The whole circuit is based on IC CA3140.

43

555 Timer IC Testing Circuit: This is a simple 555 IC testing-circuit which tests your entire 555 timer IC. So before using your IC, you may check whether your IC is good or bad by using this circuit.

44

Curtain Opener/Closer Circuit: This circuit will open and close the curtain of your home and office just by pushing a switch. So with the help of this unique circuit, we do not need to move from one place to open and close the curtain.

45

SR Flip Flop with NAND and NOR Gates: SR Flip Flop, also known as SR latch is the most vital as well as broadly used Flip Flop. Get an idea about design of SR Flip Flop with NAND and NOR Gates.

46

JK Flip Flop using CD4027: CD4027 is a JK flip flop that is generally used for data storing. Get an idea about how to build JK Flip Flop with CD4027.

47

Wireless Switch Circuit using CD4027: This is a simple circuit which needs no physical contact with the appliance. In this circuit, all you need is to pass your hand above LDR to ON or OFF the switch.

48

Dancing Bi-Color LED Lights Circuit: Generally we use small voltage bulbs in the dancing bulbs. This circuit is mainly used in the occasions, decoration articles or in visual indication sign boards etc. In this project, we use bi-color LEDs for sequential running light.

49

555 Timer as an Astable Multivibrator: In this circuit, There are three resistors named R inside it and all have equal values. These form a voltage divider having reference voltages of 1/3 and 2/3 of Vcc (the power supply). The logic state of the flip flop is controlled by the reference voltage which is given to one of the inputs of both two comparators.

50

Polarity cum Continuity Tester: With the help of this circuit, we can also identify whether the components we are using in our circuit are good or bad before mounting them on the PCB.

51

Mains Operated LED Light Circuit: This is a simple circuit which is more useful to save our resources, energy and money by installing in your homes.

52

Reaction Timer Game Circuit: This is a simple and funny game circuit which contains 10 LEDs that are moving in an arbitrary fashion and we have to target a particular LED given by your challenger.

53

USB Mobile Charger Circuit: This circuit is useful in charging the mobiles through USB outlet present in our laptops and PCs. For the charging of your mobile phone, this circuit provides you a regulated voltage of 4.7 volts.

54

Variable Power Supply and Charger: This is a circuit which helps to check or test your electronic projects and also to charge the Mobile phone batteries. This circuit can also work as an emergency light.

55

LED Lamp Dimmer Circuit: In this circuit, at the starting LED glows slowly, then grown brighter and once again slowly it became dim. The basis of the whole circuit is an operational amplifier IC named LM358.

56

Multiplexer and Demultiplexer: A multiplexer is a circuit that accepts many inputs but gives only one output where as a demultiplexer accepts only one input and gives many outputs. Get an idea about their circuit diagram and pin diagrams in this post.

57

Security Alarm Circuit: This circuit helps you to guard your precious documents as well as jewellery from intruders or theft. All you need is to just place this circuit in front of the locker or below the mat so when any unknown person come and walk over the switch, the circuit will trigger and sound of alarm comes.

58

Variable Voltage Power Supply from Fixed Voltage Regulator: This Voltage regulator circuit is used to get fixed voltage at the output without depending on the input voltage.

59

Understanding 7805 IC Voltage Regulator: This is a circuit diagram of 7805 IC which is a 5v DC regulated IC. It is very flexible and is employed in many circuits like a voltage regulator.

60

LED Christmas Lights Circuit: This is a simple circuit used to decorate your house by building christmas lights using LEDs. The lights will get ON at night and OFF in morning time.

 





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شنبه 10 خرداد 1393
محسن جنیدی
دوشنبه 13 شهریور 1396 03:27 ق.ظ
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چهارشنبه 7 تیر 1396 05:41 ب.ظ
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