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

  1. DC to DC step up converter voltage x2
  2. Simple DC to DC step up voltage x2
  3. DC to DC converter 12V to +/-40V using LM3524
  4. Micro DC Converter 3V to 9V

…and More : DC to DC converter

Battery charger

  1. Automatic Ni-MH battery charger
  2. Portable power pack for mobile phones
  3. Make solar aa battery charger by TL497
  4. Best 12V battery charger circuit using LM311

Solar Cell light

  1. Outdoor solar lights circuits
  2. Simplest Automatic Solar Light

Others audio system

  1. Cheap&Small Hearing Aids project
  2. Micro mixer Projects
  3. The subwoofer simulator by LF347N
  4. Treble Boost up
  5. Super stereo digital echo by KT5211P
  6. Cheap Surround Sound System
  7. Add dimensional sound from 2ch to 4ch

RF circuits

  1. FM wireless transmitter circuit
  2. Cheap FM tuner by TDA7000
  3. Simple Active antenna in SW/MW/FM bands

The oscillator generator circuits

  1. XR2206 Function Generator
  2. 60HZ CLOCK Pulse Generator by IC MM5369
  3. MOSQUITO REPELLANT by IC-555,4017,4011
  4. Time based clock generator using crystal for digital
  5. Sawtooth wave generator circuit using UJT

Tone & Music Generators

Electronic Controls,Dimmers

  1. Super AC dimmer using IC-555& triac
  2. 1200 Watt AC Dimmer by Triac Q4006LT
  3. 1 minute to 4 hour Alarm Clock Timer
  4. Analog signal selector switches
  5. Light Relay Switch By BC547 & BC337

Timer & Delay

  1. 1 minute to 4 hour Alarm Clock Timer
  2. Digital time clock with alarm circuit
  3. Digital timer controller 0-99 second
  4. 5-30 minuts timer alarm circuit using IC555

LED flasher

  1. Small christmas LED flasher circuit with sound
  2. Cheap led christmas light flasher circuit is controlled by audio
  3. The simple LED Flasher by IC 4011
  4. Two LED Flasher by Gate of IC 4011
  5. Two LED flashing alternate Display using LM324
  6. Dual LED Flasher by 2N2907

Digital circuits

  1. 16 key encoder using IC 74C922N
  2. A versatile and cheap digital counter circuits by CD4510 & CD4543

Meter, Detector

  1. The cheap digital voltmeter
  2. The stray magnetic fields meter
  3. Measure the distance by bicycle


  1. Easy stereo VU-meter by KA2284
  2. LED Signal Meter using LB1409
  3. 20 LED cheap VU-meter(stereo 40 LED

Tester Tools

  1. Crystal tester circuits using BC107
  2. Simple Signal injector by transistor
  3. TV test pattern generator with wireless model
  4. The telephone line status indicator

Tone Generator, Music, Melody

  1. Multi-Melody Generator with Instrumental Effect by CIC2850 Series

Alarm system

  1. Simple soil moisture alarm
  2. Simple-mosquito repellent circuit
  3. Mouse and insects repellent circuit
  4. Ultrasonic motion detector project
  5. Car Burglar system with start delay


  1. Siren sound loudly circuit using CD4046

Protection circuits

  1. The speaker protection circuit
  2. Over & Under Voltage protection circuit
  3. Alarm when the supply to rack with 1N4001
  4. Overload protection circuit
  5. Diy surge protector circuits

Motor controllers

  1. The 2 channel DC motor driver on saving model
  2. Fan controller by temperature sensor using LM393
  3. DC motor controller diagram with SCR and cmos IC
  4. Fan Speed over Ride Switch
  5. PWM Speed Rotation Forard-Reverse and Regenerative Braking
  6. MCU system Controller 12V DC Motor Speed and Direction using IRF150
  7. 24VDC Motor Speed Control with 20A Shot Circuit Protection
  8. Touch Motor Control by SCR and Schmitt Trigger
  9. ULN2003 Control Stepper Motor by Parallel Port
  10. Stepper Motor Driver by 74194
  11. PWM Control Speed Motor 12V By TL494
  12. 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 :: CA3140 :: NE5532 :: LM386 :: CD4046 :: LM339 :: LM2678 :: LM2577 :: LM2576 :: LM380

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



  1. roshan January 4, 2017 Reply
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