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:: Home » Electronics Projects Circuits

Let’s learn how Cell Phone Charger circuit work

Last Updated on: March 22, 2023 by Apichet Garaipoom
Cell Phone Charger circuit work

Modify cheap mobile phone charger inside is simple DC switching regulator circuit and can apply many ways, such as DC power supply Read more

Categories Battery Chargers Tags Lead Acid Battery Chargers 8 Comments

Recycling free white SMD LED from e-waste

Published on: March 11, 2023 by Apichet Garaipoom
Recycling free white SMD LED from e-waste

Today I will show you how to recycle a super bright white LED from a broken T8 LED tube. At the present, almost every household prefers to use LED light bulbs over other light bulbs. Because it uses about 50% less energy and is also cheaper. The LED tube size T8 can be used to … Read more

Categories Recycling electronics Tags Led lighting circuit, Solar LED lighting Leave a comment

5-minutes Power Off Delay Timer Circuit

Last Updated on: March 23, 2023 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 Tags Delay timers, Relay Driver Circuits, CD4093 4 Comments

5 Simple emergency light circuit | Many ideas

Last Updated on: March 4, 2023 by Apichet Garaipoom
Simple emergency light circuit

This is first mini emergency light of my son. It is very small, use LED display when power outage,use transistor instead relay use AA battery charger. Read more

Categories Lightings, Recycling electronics Tags BD140, Homeschooling 3 Comments

Order Solderable Breadboard PCBs from PCBway.com

Last Updated on: January 18, 2023 by Apichet Garaipoom
Order PCB for pcbway.com

we ordered from PCBway.com for the first time. The ordering systems are great and easy, even for my kids and me, who are relatively new to online ordering. Read more

Categories Basic Electronics Leave a comment
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Categories

  • Amplifiers (94)
    • Preamplifiers (20)
  • Power supply (86)
    • Variable Supply (20)
    • Switching Mode (15)
  • Inverters (14)
  • Battery Chargers (13)
  • DC converters (18)
  • Digitals & Microcontrollers (35)
  • Controls & Timers (55)
    • Motor Controller (7)
  • Lightings (30)
  • RF – Radio Circuits (24)
  • Meters & Detectors (59)
  • Oscillator circuits (38)
  • 555 Timer (21)
  • Basic Electronics (64)
  • Alternative Education (2)
  • Recycling electronics (8)

Recent Posts

  • Let’s learn how Cell Phone Charger circuit work March 21, 2023
  • Recycling free white SMD LED from e-waste March 11, 2023
  • 5-minutes Power Off Delay Timer Circuit March 5, 2023
  • 5 Simple emergency light circuit | Many ideas February 6, 2023
  • Order Solderable Breadboard PCBs from PCBway.com January 12, 2023

Recents Comments

  • Apichet Garaipoom on Simple transformerless power supply circuits
  • Apichet Garaipoom on Simple transformerless power supply circuits
  • Apichet Garaipoom on 5-minutes Power Off Delay Timer Circuit
  • Apichet Garaipoom on LM317 Regulated Power Supply Voltage Select to 1.5V,3V,4.5V,5V,6V,9V 1.5A
  • Violette on Simple Condenser Mic Preamplifier Circuit using 2N3904
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