簡単なゲルマラジオの作り方

I made a germanium radio using a breadboard. I modified the piezoelectric element (speaker) into an earphone and found that it had good sensitivity and sound quality. I will also upgrade it to a radio using a one-chip AM radio IC. Please subscribe to my channel.

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The best way to receive radio waves from an outlet. How to make a crystal radio | Tech NAKATA
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The best way to receive radio waves from an outlet. How to make a crystal radio | Tech NAKATA

ゲルマラジオでスピーカを鳴らす実験
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ゲルマラジオでスピーカを鳴らす実験

Instructions - Button Matrix
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Instructions - Button Matrix

Everyone's wisdom is amazing! 9 Daiso parts that are useful for electronic projects [Extra Edition]
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Everyone's wisdom is amazing! 9 Daiso parts that are useful for electronic projects [Extra Edition]

【aitendo】950円のDSPラジオモジュールでAM/FM/SW 12バンドラジオを作ってみた
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【aitendo】950円のDSPラジオモジュールでAM/FM/SW 12バンドラジオを作ってみた

I want to make a crystal radio but I can't buy any old diodes. Is there anything I can do?
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I want to make a crystal radio but I can't buy any old diodes. Is there anything I can do?

I Built a Working Radio with Just Spare Parts!
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I Built a Working Radio with Just Spare Parts!

[Eng sub] Making a Foxhole radio. Very primitive
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[Eng sub] Making a Foxhole radio. Very primitive

Making extreme crystal AM radio Part6 (Main)
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Making extreme crystal AM radio Part6 (Main)

[DIY Kit] Make a cheap Chinese DIY radio kit
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[DIY Kit] Make a cheap Chinese DIY radio kit

[2/2] How to make a simple wire antenna
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[2/2] How to make a simple wire antenna

How to make an AM radio with good sound and sensitivity
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How to make an AM radio with good sound and sensitivity

[Eng sub] I got Soviet-made germanium diode and modified the radio.
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[Eng sub] I got Soviet-made germanium diode and modified the radio.

Germanium radio playing alnico speakers.
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Germanium radio playing alnico speakers.

Place Aluminum Foil on a Magnet and You Will not Believe the Incredible Result!
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Place Aluminum Foil on a Magnet and You Will not Believe the Incredible Result!

ゲルマニウムラジオで選局できる原理を簡単に説明します
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ゲルマニウムラジオで選局できる原理を簡単に説明します

ゲルマニウムラジオをスピーカーで聴く
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ゲルマニウムラジオをスピーカーで聴く

Before You Trash Your Old PC Power Supply... Build This!
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Before You Trash Your Old PC Power Supply... Build This!

トリオ並四コイルとエアバリコンでゲルマラジオ作り　電子工作、アマチュア無線SWLにどうぞ
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トリオ並四コイルとエアバリコンでゲルマラジオ作り　電子工作、アマチュア無線SWLにどうぞ

How to Make a Foxhole Radio
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How to Make a Foxhole Radio