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Ham Radio Exam Preparation: Permanent Magnets and Electromagnets

C21MM: German DXpedition to Nauru Island, Only a Few More Days!

C21MM: German DXpedition to Nauru Island, Only a Few More Days!

Checking the Output of USB Chargers, Power Bank and Power Supply

Tear Down View of Five Volt Power Supply

Adjusting Power Supply Output With Preset Potentiometer

Adjusting Power Supply Output With Preset Potentiometer

Special Callsign Station Working Pileup on 15m!

Special Callsign Station Working Pileup on 15m!

Ham Radio Exam Preparation: Conductance, Self and Mutual Inductance

Ham Radio Exam Preparation: Conductors, Insulators and Ohm's Law

Basic Mechanisms Inside a Dishwasher

Basic Mechanisms Inside a Dishwasher

Basic Mechanisms Inside a Dishwasher

Kirchhoff’s Voltage Law: Practical Demo

Kirchhoff’s Voltage Law: Practical Demo

Ham radio exam preparation Kirchhoff's current and voltage laws and applications

Checking diodes and transistors with multimeter

Step down transformer with laminated core

Electrolytic Capacitors

Changing preset cermet potentiometer values just like tuning a radio!

Ham radio exam preparation: Semiconductor Diodes and Transistors

JOTA: Jamboree On The Air

JOTA: Jamboree On The Air