TECH IDEAS CENTER

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Latest Videos

LED Flasher Like FBI Police Light Using Two NE555 Timer IC

LED Flip Flop With Speed Controller Using one transistor

How Thermistor [ NTC ] Works Using LED

How To Make LED Chaser (Rotary) Using NE555

Amplifier Super Bass Using BC547 & BC557 Transistor

Lithium Battery Charge Level indicator circuit

Home Made LED and Diode Tester Auto Voltage Simple and Useful

TOP 10 Electronic Projects With BC547 Transistor

LED Police Flasher Using BC547 Transistor

Short Circuit Protection Using Relay

How To Make Running LED Light Using IC NE555

How To Make LED Flasher Using BC547 NPN Transistor

LED Heart Breathing Effect work by 3.7 volt ⫽ using IC NE555 and BC557 PNP Transistor

Turn the relay on and off using just one push button

How to make a LED Chaser Similar to Wi-Fi Logo ⫽ using Transistor NPN BC547

Multimeter Buzzer model by using Speaker or Buzzer and BC547 NPN - BC557 PNP Transistor

How To Make Heating Level using Thermistor ( NTC ) With LED Simple Electronic Projects

Beautiful Smart RGB Decoration Lighting like Snowman With 5mm LED , BC547 NPN Transistor on Zero PCB

auto sleep light 220 volt AC without Battery

How To Make FLIP FLOP LED ( Signally Police Flasher ) On a Board With BC547 NPN Transistor

ساخت چراغ قوه 1.5 ولتی قوی و کم مصرف با باطری قلمی How to make LED 1.5 volt with BC547 Inverter

How To Make LED VU Meter with Transistor BC547 Without IC On The PCB Using LED Controller With Pot

Remote Control Tester Using IR Receiver and BC557 PNP Transistor and LED

Colors Change Smoothly With FLIP FLOP LED Circuit Using BC547 NPN Transistors

Amazing Running LED Chaser With Speed Controller Without IC

How To Make Reed Switch On The Best Case With BC547 NPN Transistor💠simple& Circuit💠Blink LED us Reed

How to make LED chaser circuit with NE555 IC and BC547 NPN transistor

How to make boost converter 1.5 Volt to 9 Volt With BD139 & BC557 Transistor

How To Make a Touch Switch Board Project Controlling Relay is Easier Touch Pad With NE555 IC

Turn ON a LED With AC 220 Volt [ without transformer and diode bridge ]