Skip to content
ElecCircuit.com
  • HOME
  • Circuits
    • Simple Electronic Circuit
    • Amplifiers
    • Power Supply
    • Easy Hobby Projects
  • Learning
    • Electronic Components List with Images
  • Support us
  • About Us

:: Home » Controls & Timers » Page 2

Controls & Timers

Experimenting with LM317 as power switch controller

Last Updated on: September 29, 2025 by Apichet Garaipoom
Experimenting with LM317 as a power switch controller

Learn how LM317 can be a power switch controller instead of a transistor. Try a simple power pulse generator circuit.
Read more

Categories Controls & Timers Leave a comment

DIY Simple Motion Sensor Alarm Circuit Diagram Using PIR Sensor

Last Updated on: September 29, 2025 by Apichet Garaipoom
Motion detector alarm circuit with PIR sensor

You have a private area, right? If you have this motion detector alarm circuit. It will reduce your worries. Imagine a big bear is coming to the behind of your house. Then, the siren alert. The big bear is shocked and runs away. You and your family are safe. Is it great? Read more

Categories Controls & Timers, Measurement 14 Comments

5-minutes Power Off Delay Timer Circuit

Last Updated on: September 29, 2025 by Apichet Garaipoom
Making 5 minutes Power Off Delay Timer Circuit

Want to have longer lighting with the original battery? Let’s learn the concept and design of the power off delay timer circuit in a simple way. You may apply it indefinitely. Read more

Categories Controls & Timers 8 Comments

Automatic Night Light Circuit using LDR and IC-741

Last Updated on: September 16, 2025 by Apichet Garaipoom
light sensor switch circuit using ldr and 741 IC

Let’s see Automatic Op-amp night light circuit using IC-741. It is also very simple. As my feelings It has high sensitivity. Read more

Categories Controls & Timers 13 Comments

Digital Electronics Projects using Flip-Flop Switch Circuit

Last Updated on: August 13, 2025 by Apichet Garaipoom
Digital Electronics Projects using Flip-Flop Switch Circuit

The best learning is Doing it. Imagine you can use your life is better with your own electronic project. And at the same time, you learn digital basics, flip-flop switch circuit. Using CD4027 JK flip-flip. It’s great, right? Let’s get started to see the two circuits. Read more

Categories Controls & Timers, Digitals & MCU 10 Comments
Older posts
Newer posts
← Previous Page1 Page2 Page3 Page4 Page5 … Page11 Next →

My E-books


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

Electronic Circuits, Explained for Curious Minds

ElecCircuit.com is a place for people who are curious about electronics.
You don’t need an engineering background — just a desire to explore, experiment, and learn step by step.

  • Start Here

  • The Experimental Lab

Recent Posts

  • Complementary Transistor RC Oscillator – Sine-Wave or Square-Wave Output
  • Simple Diode Over-Temperature Indicator (LED)
  • CD4060 Oscillator Counter Divider – Pinout, Operation, and Example Usages
  • Transistor RC Phase-Shift Oscillator – Simple Inductor-Free Sine Wave Generator
  • CD4011 Quad NAND Gate CMOS – Pinout, Operation, and Practical Notes
PCBway

Categories

  • Power supply 
  • Audio Circuits 
  • Basic Electronics
  • Controls & Timers
  • Digitals & MCU
  • Lightings & LED
  • Measurement 
  • Oscillator circuits & RF

About | Contact | Privacy policy | SEARCH

Copyright © 2026 · ElecCircuit - All Rights Reserved