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5 circuits of 555 Alarm sound and tone generator

Last Updated on: March 9, 2024 by Apichet Garaipoom

This is Simple 555 Alarm sound circuit, for beginner as buzzer sound. IC1 is pulse generator, to transistor PNP for boost current to speakers. Read more

3 Multi voltage power supply circuits

Last Updated on: July 9, 2022 by Apichet Garaipoom

Multi voltage power supply circuit. There is 2 Dual output, The 12V are +12V,-12V, Ground. And also the 5V are +5V, -5V, Ground. All 1A max. Read more

5 Sound effect generator circuit with PCB

Last Updated on: August 17, 2022 by Apichet Garaipoom

Simple sound effect generator circuit using IC-555 and IC-4017

If we want to be a producer, This circuit would be a good starting point to composed music for 1000 tracks. With these Sound effect generator circuits may help you. Using basic parts and cheap makes you easy to build or try it. There are five circuits. You may make the animal sound by electronics … Read more

Infrared Intruder Alarm circuit diagram

Last Updated on: May 12, 2023 by Apichet Garaipoom

This is an Infrared Intruder Alarm circuit that interesting. Imagine some people walk through restricted areas. At that moment, this circuit immediately sounded to alert you. It uses the principle of cut the infrared light. The circuit will recognize, control relay runs, and turns on a warning signal like a siren for us to hear. … Read more

ElecCircuit – Simple Electronics Vol-01

Last Updated on: April 4, 2024 by Apichet Garaipoom

Do you want to Download PDF & All files of these? Contents list SMALL CIRCUITS BASIC ELECTRONICS We love Power supplies! Let’s make Amplifier Projects What you will get from this E-Book. All are compiled in this eBook. Thanks for your support.