FS3001 Electric Rotating Wheel Game Set

This electronic spinning-wheel game circuit offers a higher level of complexity and interest by shifting from "direct manual control" to "time-delay control" integrated with transistors.

Operation

When the switch is pressed (ON / Circuit Closed)

- Closed Circuit: Upon pressing the switch, electrical current flows to charge the capacitor (C1). The transistors (TR1, TR2) are activated, driving the motor to spin rapidly (causing the pointer to rotate).

- Electrical Current: Flows into the electronic system, which "manages" the electrical energy to power the components.

When the switch is released (OFF / Time-Delay Circuit)

- Time-Delay Circuit: Once the switch is released, the energy stored in capacitor C1 gradually discharges, continuing to supply power to the transistors and allowing the motor to keep spinning for a short while longer. - Result: The motor speed gradually decreases until it comes to a complete stop (the pointer settles on an animal icon on the dial), which determines the random outcome of the game.

Summary of Concepts

- Pressing the switch: Electrical energy charges capacitor C1, causing the motor to spin rapidly (rotating the pointer).

- Releasing the switch: The energy stored in C1 gradually discharges, causing the motor to slow down and eventually stop, with the pointer landing on an animal icon.

What Learners Will Discover

- Capacitor (C1): Learners will understand that a capacitor acts as a "temporary energy storage tank"—a fundamental concept behind time-delay circuits used in everyday life (such as the delayed-off interior lights in a car).

- Transistor: Functions as a highly sensitive electronic switch. It can amplify signals or control a large electrical current using a much smaller current, allowing the motor to operate automatically without the need for manual rotation. - Variable Speed: Using a variable resistor (VR1) allows learners to understand how to control the discharge rate, which in turn affects the "duration" for which the motor spins.

The FS3001 kit provides a seamless transition from simple "on-off" electrical experiments to "electronic control circuits."

Furthermore, by adjusting the variable resistor (VR1) and observing how the "spinning duration" changes, learners can gain a clear, intuitive understanding of time-delay circuits.