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Tapping morse code circuit
Morse code is a code of signals used in military communications in the past. But today, it is also common among surfers radio The percussion Morse code as a standard in radio communications. This...
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Noise generator 2 frequency with ic 555
This is a simple noise generator circuit. An IC Timer IC 555 is a number of major equipment. Small circuit. Suitable for various test circuits. Operation of the circuit is when the power supply to the...
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Coin toss electronics using IC NE555-CD4017
This is a review of electronic sound or a violent coin toss. With electronic circuits. This circuit uses integrated digital IC NE555 and CD4017 with LED display easily. Principle of the circuit, when...
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Timer control 1-15 minutes by Triac 2N6075 and LM555-LM358
Most timer circuits. Often used with electrical transformers containing low as 9V and 12V, and use of electrical control relays.but the 1-15 minute timer circuit.It uses a triac instead of electrical...
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Battery Status Monitor by ICM7555
The low power LED flasher by ICM7555 Normally, when you need to use LED display status of the battery 6V-12V. Just add a resistor in series only. It is easy and saving. But not cool and consumes more...
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Automatic water tank using pump controller by 2SD882
The automatic water tank by pump controller allows for a convenient and cost effective. In the countryside, Water is very important. The most to use the groundwater to dig as pond, and for the...
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The many DC to DC converters using IC-555
If friends would to want the DC to DC voltage converter is small that has a few output current. I would suggest the IC-555 is a key equipment that it is popular and easy to uses so can be used in many...
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Audio generator is controlled by light
These circuits is used to control audio with light. In simple transduction And the change of light. To control the tone.,we is recommended that three circuits, each circuits consists of a simple...
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Cheap frequency meter by CA3130
The electronics are still used to use a frequency generator circuit beuause It is important. And are used a lot in electronic circuits, both sine, square wave and more. In every time related to the...
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LED Chaser by IC 4017 + IC 555
I believes in that extremely amateur electronics many you, may ever build the LED flasher or light blinks or the LED Chaser prevent come to already. Today I begs for to advise the circuit LED Chaser,...
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High Power Pulse Generator using LM350T and NE555
This is a high power pulse generator circuit, Which have main components are IC555 as oscillator and LM350T provided high current up to 3A max. When you see in Simple Pulse Generator May will has a...
View Article555 Siren sound Generator
A Sound Generator siren project, suitable for beginners. Build a simple, but widely applied. The siren sound is a sound listening to indeed impactful. Commonly used as a sounds alarms in many forms....
View Article5-30 minuts timer alarm circuit using IC555
This circuit uses a 555 IC timer number. This small,compact and portable. For the snooze alarm by buzzer when some 5 to 30 minutes. It makes clear the brain is ready to continue to work. When the...
View ArticleEasily create stereo sound 3D.
This is a create special stereo sound circuits. Which sound is a dimension to the listening. Using the some low frequency to appear out the left and right continuously. Interspersed with master...
View ArticleEuropean police siren circuit
The European police siren circuit is type of a siren. Which it is different from normal, is characteristics sound is high – low curtailed without like tone of voice common Siren. Which is strange,...
View ArticlePWM DC motor controller with NE555 and darlington transistors
This is circuit for dimmer a lamp or controll speed of a DC motor. I used to suggests these circuit by use principle most PWM (PWM Control Speed Motor 12V By TL494) form. But TL494 is not cheap and...
View ArticleTwo way 12 LED running lights using CD4017 and NE555
This Two way LED running lights to use for beautiful, this circuit uses 12 LED lamps, arranged in 2 rows, each row of 6 leds. A green one and a red one, alternatively. use a different color for this....
View ArticleSimple sound effect generator circuit using IC-555 and IC-4017
If we want to be a producer,This circuit would be a good starting point to composed music for 1000 tracks. As Figure 1 is a common circuit. Which will see them always when use LED running. We will use...
View ArticleModify a LED chaser circuit into the easy timer
The a LED chaser is popular, so we will modify it into the easy and cheap timer. First,a appliance will works, while respective LEDs will flash, and until all LEDs go out. Then the appliance stop. How...
View ArticleIdea to build simple frequency meter from old calculator
This circuit use a simple ideal is the calculator count a frequency within range 1 second. This time base is generated by IC-555,on astable multivibrator form. How it works The number on the...
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