Skip to content
ElecCircuit.com
  • Categories
    • Amplifiers
    • Preamplifiers
    • Power supply
    • Variable Supply
    • Switching Mode
    • DC converters
    • Inverters
    • Battery Chargers
    • RF – Radio Circuits
    • Meters & Detectors
    • Basic Electronics
    • Oscillator circuits
    • Sound Generators
    • 555 Timer
    • Controls & Timers
    • Motor Controller
    • Digitals & Microcontrollers
  • Circuits
    • 99+ Simple Electronic Circuits
    • Simple electronic projects
    • Amplifiers Circuits
    • 99+ Power Supply Circuits
  • Basics
    • Basic Electronic Components
    • Learning
  • ABOUT
    • About us
    • Support us

:: Home » Tested

Tested

Continuity tester circuit with Buzzer and LED

Last Updated on: May 16, 2024 by Apichet Garaipoom
Create continuity tester circuit with buzzer and LED

Create continuity tester circuit with buzzer and LED for check solder joint defects, not kill components on PCB, as probe gives tiny current and voltage. Read more

Categories Meters & Detectors Tags Electronic buzzer, IC-741, Tested 4 Comments

Cheap & Small hearing aids circuit project

Last Updated on: May 13, 2024 by Apichet Garaipoom
Small hearing aids circuit project

Imagine your dad is old. Sure, he hears anything weak sound.

How do you do?

You are an electronics inventor, right?

Yes, you can try to make a tool. To help him back to listen to great music again.

This project is small, use only one 1.5V battery. Using normally components you can buy in stores near you. Read more

Categories Amplifiers Tags Microphone Preamplifiers, Tested 60 Comments

DC to AC Converter circuit

Last Updated on: December 20, 2020 by Apichet Garaipoom
DC to AC Converter circuit

This is a simple DC to AC Converter circuit,to converts 12VDC to 220VAC 50Hz/110V 60Hz as adjust frequency output using CD4047,MOSFET,power transistor and more Read more

Categories Inverters Tags 12Vdc to 220Vac inverter, C1061, Mini inverters, Tested 22 Comments

LED Flasher Circuit Using Transistors

Last Updated on: March 11, 2025 by Apichet Garaipoom
Learn 2 LED Flasher circuits using transistor

This is many LED flasher circuit and with PCB layout using transistors astable multi vibrator as low frequency oscillator below more…[…] Read more

Categories Basic Electronics Tags Astable multivibrator, LED flashers, Tested 22 Comments

Automatic battery charger circuit

Last Updated on: May 16, 2024 by Apichet Garaipoom
Automatic Lead-Acid Battery Charger

Power up smart. Increase your time easily! Read more

Categories Battery Chargers Tags 12V Battery Charger Circuits, Automatic Battery Charger, Lead Acid Battery Chargers, Tested 74 Comments
Older posts
Page1 Page2 Next →

My E-books

Elec-Circuit-Vol1
Elec-Circuit-Vol2
Elec-Circuit-Vol3
Elec-Circuit-Vol4

About ElecCircuit.com

Electronic Circuits and Mini Projects. We made the ElecCircuit.com, to share our learning experiences on electronics circuits in simple ways.

Categories

  • 555 Timer (29)
  • Amplifiers (78)
    • Preamplifiers (19)
  • Basic Electronics (75)
  • Battery Chargers (16)
  • Controls & Timers (59)
    • Motor Controller (8)
  • DC converters (20)
  • Digitals & Microcontrollers (39)
  • Inverters (13)
  • Lennie (2)
  • Lightings (30)
  • LM317 (12)
  • Meters & Detectors (61)
  • Oscillator circuits (36)
  • Power supply (86)
    • Switching Mode (14)
    • Variable Supply (18)
  • Recycling electronics (9)
  • RF – Radio Circuits (18)
  • Solar cell (7)
  • Sound Generators (16)
About | Contact | Privacy policy | SEARCH

Copyright © 2025 · ElecCircuit - All Rights Reserved