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0:03:46

When korean people take lost cash on the street / Social Experiment

0:04:33

LED Flasher circuit using 555 timer IC

0:05:34

Remote Control Timer circuit

0:05:02

[LIVE] Coronavirus Pandemic Real Time Counter Word Map News

0:03:44

PIR Motion sensor light bulb

0:07:51

Water pump automatic on off circuit

0:04:51

Remote Control ON/OFF Switch Circuit

0:02:27

Remote Tester

0:06:10

Long-range Proximity sensor / IR Security Alarm

0:02:30

How to make IR Remote Tester

0:04:36

Flip Flop Dual LED Flasher circuit

0:03:16

Security Alarm Sensor

0:03:36

Door security alarm system

0:03:36

How to make proximity sensor

0:03:17

Adjustable Powder Supply

0:06:16

How To Make Dancing LED Light For Audio Amplifier / VU Meter

0:03:24

How to make a audio amplifier

0:02:54

Music Reactive LED Strip

0:03:51

Clap Switch Circuit using BC547 Transistor

0:04:47

How to make a timer circuit for night lamp

0:03:05

Street Light Automatic ON/OFF Directly with 220v AC

0:03:09

How to Connect LED Light 220V AC

0:05:19

Free energy generator//school project

0:05:00

How to Make a Police Strobe Light-using old clock