02:36

Great Idea / How to Use an Optocoupler INSTEAD OF LDR

02:52

Human Detector Circuit

04:26

This tool you will need for testing, zener diode,LED light, voltage regulator

02:46

An extraordinary automatic light control circuit

08:01

Electric Mouse Trap / Best Electric Mouse Trap / Electronic Rat Trap / Mouse Sounds

05:33

How to Make Adjustable Precision Temperature Control Circuit with LM358 Integrated Circuit

01:39

FREQUENTLY USED TOOLS!!! Making a 12V Power Supply Without a TRANSFORMER

03:46

How to Make Simple Voltage Regulator | 0 to 50v 3A current

02:49

How to Make a Simple Timed Flasher Using a Relay / No Integrated No Transistor

04:37

Don't Throw That Old LED Bulb Away! This Tool Should Be in Every Home

03:13

Protect Your Home: How to Easily Make an Ultrasonic Pest Repeller

04:26

You've Never Seen This Before, Great Idea PC817

03:01

How to Make Transistor at Home / NPN & PNP

03:09

How to Make 10 Step LEDs Chaser Using ic 4017 Only Without PCB Board

01:27

How to Make a Zener Diode at Home / Homemade Zener Diode

02:20

This Tools Should Be in Every Home/How to make a diode tester

03:25

Amazing!!! Put Salt on Your Electrical Soldering iron and Admire The Results

01:36

How To Make This Unique Voltage Regulator..You Never Seen This Type Of Voltage Regulator Circuit

02:11

3.7V Automatic Cut Off Battery Charger | 3.7 Volt Battery Charger

02:51

Create a Stunning Upgrade for Your Car - You Won't Believe How Simple It Is!

02:17

[NEW] Top Useful Electronics Project use NE555 Timer ic, Diy Projects

05:51

3 Simple Inventions With 7 Segment Display

01:42

BD 139 Transistor| LED Flasher Circuit | Transistor Projects | BD139

03:09

Charge Different Batteries with TP4056

03:00

Inspire Award Project | How to make Automatic Fire Extinguisher without Arduino

06:24

1.2v 1.5v LED USE Resistor value || 1.2v 1.5v led use ac 230volt Run || 5v 9v 12v 24v 36v led 5mm

05:19

How to make a Clap Switch || using 4017 IC || Very Sensitive Clap Switch

05:53

You've Never Seen It Before, Converting Old Adapter to an Induction Heater

56:49

Top 20 BC547 Transistor projects

03:29

How to Build LM358 Battery Charge Level Indicator

02:29

Simple Electronic Project [NEW] | Simple Inventions

04:51

LED Flasher

06:20

This Device Should Be With You | Brilliant idea

11:14

How To Make 3D Christmas Tree | Rotating Christmas Tree Light | LED Christmas Tree

03:54

How To Make Flip Flop with Speed Control

02:47

This 3 Pin IC Can Do This...

04:46

SUPER LED CHASER Circuit Using BC547 Transistor

03:37

Automatic Night Light Circuit | Light Sensor

01:54

Electric Mouse Trap / High voltage fly zapper DIY voltage multiplier 220V To 1200V

04:20

2 SIMPLE INVENTIONS FROM USB

02:23

Dual Power Supply Circuit Full Wave Rectifier

06:37

How To Make 1.5 Volt LED Light Lasts for 12 Hours / Voltage Booster

03:16

How to Make Bike Sequential Turn Signal Indicator | BC547 Transistor

00:46

How to make a Simple Touch Switch using BC547 Transistor

02:43

How to Check NE555 timer IC with multimeter

01:26

DIY SMD Testing Probe | How To Make Multimeter Micro Probes

01:57

How to make a Running LED Circuit | NE555 IC Projects

02:26

AWESOME LED LIGHTING PROJECT

03:51

How to Make All Component Tester | Make Multimeter at home

29:37

Top 10 BC547 Transistor Projects

09:09

TOP 3 ELECTRONIC PROJECTS

27:28

Top 10 Simple Electronics Projects using NE555 Timer IC for Beginners

02:44

LIGHT SENSOR with SUPER FLASHER USING 555 IC

09:53

TOP 2 Electronic Project | LED Chaser

01:41

How To Make OTG Cable Type-C AT Home

02:55

How To Make Automatic Night Lamp | Night Lamp DIY | USB Night Lamp

03:16

How To Make A USB Tester | Mobile Charger Tester | Voltmeter

02:07

Electronics do NOT want you to know this trick - Repair USB Cable - Homemade inventions

01:24

How to Make Touch Sensor With BC547 Transistor

01:21

Simple Electronic Project Using BC547 Transistor | LED Flasher Circuit #bc547 #led