Practical case: The coil as a simple electromagnet
Master Analog Electronics by building a powerful electromagnet using a simple Inductor. Learn to control magnetic fields and lift metal objects with DC current.
Basic
Practical case: Comparing BJT and MOSFET Switches
Master Analog Electronics by building two Transistor switching circuits. Compare BJT and MOSFET efficiency by measuring real input currents and voltage drops.
Practical case: Low-Side Transistor Relay Switch
Master Analog Electronics by building a relay driver circuit. Use an NPN Transistor to safely switch high-voltage loads and protect logic chips from spikes.
Practical case: Intrusion alarm by wire break
Master Analog Electronics by building a wire-cut alarm. Learn how a Transistor switch triggers an LED instantly when a security loop is broken.
Practical case: Slow turn-off timer
Master Analog Electronics by building a fade-out LED circuit. Use a Transistor and capacitor to create a 5-second delay timer that mimics car interior lighting.
Practical case: Simple audio amplifier
Master Analog Electronics by building a Class A amplifier. Use an NPN Transistor to boost weak audio signals and observe voltage gain with phase inversion.