Visitors experiment with three Diode Circuits: E1 shows a Half-wave Rectifier and a Full-wave Bridge Rectifier, E2 shows a Zener Diode and E3 shows a Light Emitting Diode (LED) and a Photodiode.

Visitors experiment with three Amplifier Circuits of Bipolar Junction Transistor: E1 shows a Common-Emitter Amplifier and a Switch Circuit; E2 shows a Common-Collector Amplifier and a Switch Circuit, and E3 shows a Common-Base Amplifier and a Switch Circuit.

Visitors experiment with three Amplifier Circuits of Junction FET: E1 shows a Common-Source Amplifier and a Switch Circuit, E2 shows a Common-Drain Amplifier and a Switch Circuit, and E3 shows a Common-Gate Amplifier.

Visitors experiment with three Operational Amplifier Circuits: E1 shows Inverting and Noninverting Op-amps, E2 shows Difference and Summing Op-amps, and E3 shows Integrator and Differentiator.

Visitors experiment with three Oscillator Circuits: E1 shows a 555 Timer as an Oscillator, E2 shows an Oscillator with RC Feedback, and E3 shows an Oscillator with LC Feedback.

Visitors experiment with three Audio Frequency Circuits: E1 is a Low Noise Audio Mixer, E2 shows three Active Filters, and E3 shows two types of Power Amplifier.