Making electronic gadgets

Making electronic gadgets means to manufacture simple electric-driven devices. The devices vary in complexity, from simple to quite complex.

Some of the popular gadgets assembled by beginners include:

Radios (crystal radios, transistor radios, radios using integrated circuits)
Amplifiers (using integrated circuits or transistors; Tube amp kits are available)
Water-level alarms (used for bathtubs), Rainfall alarms, etc.
Indicator lights (Light Emitting Diode, etc.)
Electronic roulettes, Fortune-teller machines
Electronic musical instruments, Electronic music box
Robots, Model cars (Some of them have built-in sensors.)
Wireless microphones
Watches, Timers
Lie detectors
Clocks, wave clocks
Various power supplies
Intercoms

The physics club provides students with opportunities to try making these items.