In many electronics projects we required a 5V DC supply. This DC supply acts as a battery for the circuit. Now we can buy a DC supply from...
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Showing posts with label Analog. Show all posts
Showing posts with label Analog. Show all posts
Antenna Preamplifier for AM Radios
AM radios are still used for capturing transmissions from long distances (DX reception). But AM radios normally require long (10-30m) outd...
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Quiz Buzzer for Quiz Competitions in School and Collages
Manual buzzers used for quiz competitions in schools and colleges create a lot of confusion in identifying the first respondent. Although...
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Temperature controlled Fan
This circuit is a simple circuit where the speed of the fan is controlled by temperature. You require a pot of 1 kilo ohm and a the...
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USB powered LED Lamp circuit
Here is a simple USB powered lamp that can be used to light your desktop during power failures. The circuit operates from the 5 Volt availa...
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Air flow detector circuit
This circuit can give a visual indication of the rate of air flow.It can be also used to check whether there is air flow in a given space. ...
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Seismic / Vibration Sensor
This is the circuit diagram of seismic / vibration sensor. The circuit simulates a seismic sensor to detect vibrations/sounds. It’s really ...
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Shutter Guard Circuit
This is the shutter guard circuit which has sensitive vibration sensor, piezo-sensor. This circuit is specifically designed for outlets to ...
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INTELLIGENT AUTOMATIC PLANT IRRIGATION SYSTEM
Irrigation is the key to a successful garden. Long gone are the days of manual watering or relying on a friend to water when you are on voc...
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