Easy & Mini electronic projects


Hello friends,
We have are over 250+ post about simple electronic projects and cheap. Which I also like them. The Mini Electronics Projects work surely. Because I know that you need to have great experience in mysite. But in these categories have a lot posts, sometimes you may difficult to find them. Therefore, I post this as list.

Electronics for you Mini projects List

Power Amplifiers

Power Amplifiers with PCB
For example:

  1. 15 watts Multi-purpose
  2. 20 watts Integrated Amplifiers
  3. 120W Super Bridge
  4. 100 watts DC Servo MOSFET
  5. High Quality Tri Amplifier
  6. Main Amps 50 watts OCL
  7. Guitar Preamp-over Drive

…and more… :: Power amplifier with PCB layout

Power inverter Projects

For example:

  1. 500 watts Inverter using transistors….Hot
  2. 200 watts to 500 watts Home Power Inverter
  3. 100 watts Inverter using Transistors….Hot
  4. 220 volts power Inverter using NE555 and MOSFET….Easy
  5. Simple inverter circuits….
  6. Four Inverters using CD4047, 60 watts to 100 watts
  7. DC to AC Converter circuits, 12V to 220VAC

…and more…. :: All Inverter Circuits

Power Supplies Projects

Power Supply Projects

For example:

  1. My first Variable DC Power Supply
  2. 0-50V 3A Variable Power Supply
  3. 0-30V 3A Variable Power Supply
  4. Best DC Power supply 3A, Adjustable voltage 1.2V to 20V, Select 3V, 6V, 9V, 12V
  5. 1A Fixed DC Regulator, Output : 5V, 6V, 9V, 12V
  6. 12V or 13.8V DC Power supply, High current : 30A, 25A, 20A, 15A….Easy
  7. 1.2V to 30V Adjustable DC Power supply at 5A current….Useful
  8. Dual DC Power Supply : +15V/-15V, 1A using IC-7815 & 7915
  9. 5V-25V, Dual Variable Regulator
  10. 1.2V-25V, 3Amp Adjustable Regulators

:: High volt shock

…and more : Power Supply Projects

DC to DC converter circuit

…and More : DC to DC converter

Battery charger

Solar Cell light

Others audio system

RF circuits

FM wireless transmitter circuit

Cheap FM tuner by TDA7000

Simple Active antenna in SW/MW/FM bands

The oscillator generator circuits

XR2206 Function Generator

60HZ CLOCK Pulse Generator by IC MM5369

MOSQUITO REPELLANT by IC-555,4017,4011

Time based clock generator using crystal for digital

Sawtooth wave generator circuit using UJT

Tone & Music Generators

The small electronic drum by MC14046

Electronic Controls,Dimmers

Super AC dimmer using IC-555& triac

1200 Watt AC Dimmer by Triac Q4006LT

1 minute to 4 hour Alarm Clock Timer

Analog signal selector switches

Light Relay Switch By BC547 & BC337

Timer & Delay

1 minute to 4 hour Alarm Clock Timer

Digital time clock with alarm circuit

Digital timer controller 0-99 second

5-30 minuts timer alarm circuit using IC555

LED flasher

Small christmas LED flasher circuit with sound

Cheap led christmas light flasher circuit is controlled by audio

The simple LED Flasher by IC 4011

Two LED Flasher by Gate of IC 4011

Two LED flashing alternate Display using LM324

Dual LED Flasher by 2N2907

Digital circuits

16 key encoder using IC 74C922N

A versatile and cheap digital counter circuits by CD4510 & CD4543

Meter, Detector

The cheap digital voltmeter

The stray magnetic fields meter

Measure the distance by bicycle


Easy stereo VU-meter by KA2284

LED Signal Meter using LB1409

20 LED cheap VU-meter(stereo 40 LED

Tester Tools

Crystal tester circuits using BC107

Simple Signal injector by transistor

TV test pattern generator with wireless model

The telephone line status indicator

Tone Generator, Music, Melody

Multi-Melody Generator with Instrumental Effect by CIC2850 Series

Alarm system

Simple soil moisture alarm

Simple-mosquito repellent circuit

Mouse and insects repellent circuit

Ultrasonic motion detector project

Car Burglar system with start delay


Siren sound loudly circuit using CD4046

Protection circuits

The speaker protection circuit

Over & Under Voltage protection circuit

Alarm when the supply to rack with 1N4001

Overload protection circuit

Diy surge protector circuits

Motor controllers

The 2 channel DC motor driver on saving model

Fan controller by temperature sensor using LM393

DC motor controller diagram with SCR and cmos IC

Fan Speed over Ride Switch

PWM Speed Rotation Forard-Reverse and Regenerative Braking

MCU system Controller 12V DC Motor Speed and Direction using IRF150

24VDC Motor Speed Control with 20A Shot Circuit Protection

Touch Motor Control by SCR and Schmitt Trigger

ULN2003 Control Stepper Motor by Parallel Port

Stepper Motor Driver by 74194

PWM Control Speed Motor 12V By TL494

12V DC Motor Speed Controller by IC 4011

More circuit that use these parts as main.

ICs :
IC-555 :: IC-741 :: IC-4011 :: IC-4017 :: LM317 :: LM324 :: 7805 regulator circuits :: LM723 :: IC-4047 :: 78xx series :: NE556 :: TDA2030 :: LM1458 :: LM350T :: CA3130 :: LM358 :: CA3140NE5532 :: LM386 :: LM386 :: CD4046 :: AT89C1051 :: LM339 :: LM2678 :: LM2577 :: LM2576 :: LM380 :: LM380

Others Parts : 2N3055 :: 2SC1061 :: 2N2222 :: BC109 :: BC547 :: 2N4891



  1. roshan January 4, 2017 Reply
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  3. karthi January 30, 2017 Reply
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