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Analog Electronics [ 25 Found ]
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ট্রাঞ্জিস্টর টেস্টার
ট্রাঞ্জিস্টর টেস্ট করুন সহজেই। More >>

Beginner

ডে লাইট অ্যালার্ম
ভোরের আলোয় বাজবে অ্যালার্ম। More >>

Beginner

শর্ট সার্কিট বিপার
শর্ট সার্কিট নির্দেশক অ্যালার্ম সার্কিট More >>

Beginner

মসফেট টেস্টার
এন মসফেট টেস্টার More >>

Beginner

Cell Phone Detector

This cell phone detector can sense cellphone from a distance of one and-a-half metres.

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Beginner

Door Guard

Intruder alert Circuit.

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Beginner

Automatic Train Signal

This very simple project, suitable for beginners, is a two color (red/green) signal for a model railway.

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Beginner

Parking Warning System

How to avoid having an unwanted rear entrance to your garage!

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Intemediate

Wireless Home Security System

The fear of burglary always annoys people. When lock become less safe, one can seek help of electronic systems. Such a security system is described here.

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Advanced

IR Thermomoter

This circuit measures temperature in Celsius scale and displays it on an alphanumeric LCD screen.

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Advanced

Low Cost Capacitance Meter

A simple starter project that will let you get the measure of most capacitors. Five switched ranges: 1nF to 10uF.

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Intemediate

Motion Sensor

Here is a system based on PIR motion detector module that can be used for security or corridor lighting in power saving mode.

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Intemediate

Laser Torch-Based Voice Transmitter & Receiver

Using this circuit you can communicate with your neighbors wirelessly!!!

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Beginner

Wireless Microphone

A circuit for wireless microphone.

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Beginner

Transistor Tester

This one is handy for hobbyist. They always need to test the transistors.

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Beginner

Touch Switch

A simple circuit with which you can on or off a relay just by your touch.

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Beginner

Sound Activated Relay

A fancy project for hobbyist. Control your device just by sound.

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Beginner

Mosfet Tester

This is a circuit to test for N-mosfets.

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Beginner

Mini UPS
This is a simple circuit that’s provides an uninterrupted  power  supply  (UPS). More >>

Beginner

Metal Detector

The most common beginner project, Metal Detector.

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Beginner

Emergency Light

This is an Emergency Light circuit in case of Load Shading.

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Beginner

Loop Alarm

A few months ago, I decided to build a compact, yet effective alarm. This is what I come up with.

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Beginner

5 Digit Alarm Keypad

This is an enhanced 5 digit keypad.

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Beginner

Day Light Alarm

The circuit presented here wakes you up with a loud alarm at the break of the daylight.

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Beginner

Short Circuit Beeper

Short circuit alarm circuit.

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Beginner

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