Tag Archives: educational

Making a Pranker-BOOMer Photo-Sensor

Making a Pranker-BOOMer Photo-Sensor

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Also maybe instead of using the circuit in the video to prank, you could use it as intruder alarm, light switch based on room light, or whatever else! It is a useful circuit. Just be careful around high voltage!

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By: Mehdi Sadaghdar

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DIODES! All Sorts of Them and How They Work (ElectroBOOM101-010)

DIODES! All Sorts of Them and How They Work (ElectroBOOM101-010)

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Also I hope you develop a great appreciation for diodes, they are almost as good as resistors!

Steve Mould on Semiconductors:
Mr. Carlson’s Lab on Vacuum Tubes:

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J4yC33

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Enter your school for tools:

By: Mehdi Sadaghdar

0:00 Intro on Diodes
1:24 P-N Junctions make Regular Diodes
3:11 Regular Diode Behavior and Model
7:04 Break Down and Zener Diode
9:05 TVS (Transient Voltage Suppressor diode)
9:56 Photo Diodes
10:24 Solar Panels
10:39 LEDs (Light Emitting Diode)
11:13 Varicap or Varactor
11:59 Schottky Diode

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Testing the LONGEST LOOP OF WIRE!!! to Turn a Lamp On

Testing the LONGEST LOOP OF WIRE!!! to Turn a Lamp On

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Here I turn a lamp on through the longest loop at the speed of light!!!

My new MERCH:
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Thanks to and for proving my essential lab tools and giveaways.

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Below are my Super Patrons with support to the extreme!

Nicholas Moller at
Sam Lutfi
Peter Membrey
J4yC33

My sponsors and top patrons:

Enter your school for tools:

Reference videos on this subject:
Veritasium’s 1st Video:
My 1st Analysis Video:
Veritasium’s 2nd Video:
My 2nd Analysis Video:

By: Mehdi Sadaghdar

0:00 Intro to the Test
2:31 The Theory Behind the Wire
3:12 Turning an LED on Through a Long Loop
10:22 The TEST, See the Electric Wave Reflections

Here you will see how a transmission line actually works, the electric fields that travel at the speed of light through the loop, reflections of waves from the ends of the line and how impedance matching, or not matching, changes the reflection of the waves

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