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Intro to Digital Electronics
First Circuit with Connect

First Circuit with Connect

And there be light

Practice

Allumer une LED

Ce circuit un circuit basique et essentiel pour la suite de cet atelier.

Hands-on : Power an LED

Practice

Preview

Instructions :

Build the circuit to control an LED

Press enter or space to select a node. You can then use the arrow keys to move the node around. Press delete to remove it and escape to cancel.

Press enter or space to select an edge. You can then press delete to remove it or escape to cancel.

Preview only – device actions are disabled

Voltage Divider

Practice

Voltage Divider

A voltage divider is a simple electrical circuit made of two resistors connected in series.

It makes it possible to divide an input voltage into an output voltage proportional to the ratio of the resistors. The formula for the output voltage (

V_{out}

) is the following :

V_{out} = V_{in} \times \frac{R_2}{R_1 + R_2}

where:

$V_{in}$ is the input voltage,

$R_1$ and $R_2$ are the resistors used.

This setup is useful for reducing an electrical voltage to a level suitable for an electronic component or for measuring voltages with a sensor.

Hands-on : Voltage Divider

Practice

Preview

Instructions :

Build a voltage divider

Press enter or space to select a node. You can then use the arrow keys to move the node around. Press delete to remove it and escape to cancel.

Press enter or space to select an edge. You can then press delete to remove it or escape to cancel.

Preview only – device actions are disabled