Spintronics Simulator is a free, browser-based simulation of spintronic circuits. Build, test, and share spintronic circuits virtually.We recommend the simulator for intermediate and advanced spintronic circuit builders. Take me to the simulator!

The electronics are well served by the DC construction set at phet.colorado.edu/en/simulations/circuit-construction-kit-dc

MatrixTSl Locktronics is a fantastic resource for building circuits the way thaey look on paper or the board

Learning The flow of electrons

Electrons flow around a circuit because they are attracted to the positive terminal of a power source, such as a battery. When the circuit is closed, or complete, the electrons can flow freely through the conductor, such as a wire, from the negative terminal of the power source to the positive terminal.The flow of electrons is known as an electric current, and it is caused by the movement of negatively charged particles, which are the electrons. Electrons are attracted to the positive terminal of a power source because of their negative charge, and they will flow towards the positive terminal as long as there is a complete path, or circuit, for them to follow.As the electrons flow through the circuit, they encounter various loads, such as light bulbs or motors, which use the energy of the electric current to perform work. The flow of electrons around a circuit is essential for the operation of most electrical devices and systems.

Lesson plan for teaching: Flow of Electrons
Begin by introducing the concept of electricity and its importance in our daily lives.
Define the terms 'circuit' and 'flow of electricity.' A circuit is a path that electricity flows through, and the flow of electricity is the movement of electrons through a conductor.
Next, explain the three basic parts of a circuit: a power source, a conductor, and a load. The power source provides the electricity, the conductor carries the electricity from the power source to the load, and the load is a device that uses the electricity, such as a light bulb.
Discuss the concept of electrical resistance. Resistance is a measure of how difficult electricity can flow through a material. Materials with low resistance, such as copper, allow electricity to flow easily, while materials with high resistance, such as rubber, block the flow of electricity.
Introduce the concept of a circuit diagram, which is a graphical representation of a circuit. Circuit diagrams use symbols to represent the different parts of a circuit, such as a battery for the power source and a light bulb for the load. List some items.
What goes around the circuit - what is electricity - the flow of electrons. Watch the chain of the spintronics with the blue link and an indicator.
Have students create their own simple circuit diagrams using provided materials, such as batteries, light bulbs, and wires.
Compare adding another resistor to spintronics
Have students build the circuits represented in their circuit diagrams and observe the flow of electricity through the circuit.
Conclude the lesson by reviewing the key concepts and having students summarize the flow of electricity around a circuit.

A variable resistor, also known as a potentiometer, is a type of resistor that has a adjustable resistance. It consists of a fixed resistor, which is a thin strip of material with a specific resistance, and a sliding contact, also called a wiper, that can be moved along the length of the resistor.When the wiper is moved closer to one end of the resistor, the resistance decreases because the wiper is able to access a shorter length of the resistor material. When the wiper is moved closer to the other end of the resistor, the resistance increases because the wiper is able to access a longer length of the resistor material.Variable resistors are used in a variety of applications, such as volume control in radios, brightness control in dimmer switches, and calibration in scientific instruments. They work by adjusting the resistance in a circuit, which in turn affects the flow of electricity and the amount of current in the circuit.
Demo of the variable electric screwdriver. Compare with the Locktronics board

Spintronics offers students the opportunity to understand electronics in a way they can understand deeply. Rather than telling them what's happening in a circuit, you can finally show them. Students can feel the resistance, feel the pull of voltage, and watch the current flow.
WIth the Locktronics and the phet simulator the students seems to get a better idea of the natures of electricity.
While the movement of electrons through a conductor, such as a wire, is relatively slow, the effects of electricity, such as the lighting of a bulb, appear to happen almost instantly. This is because the movement of electrons is accompanied by the propagation of an electromagnetic field, which travels at the speed of light. The electromagnetic field is what carries the energy of the electric current and is responsible for the various effects of electricity, such as the lighting of a bulb or the operation of a motor. The field propagates through the circuit almost instantly, allowing the effects of the electric current to be observed almost immediately.

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Electricity

Learning The flow of electrons