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Learn it your way
A short class with Sarah and her students. The other ways are under More.
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Today we'll learn how to build a simple circuit using a breadboard! Does anyone know what a breadboard is?
Is it a board where you can make circuits without soldering?
Exactly, Student_1! It's a great tool for prototyping. So, what do you think we will connect using the breadboard today?
Maybe an LED circuit?
Correct! We will learn to connect an LED. Can anyone tell me why we need a resistor with our LED?
To limit the current so it doesn't burn out?
Yes, great point! So, let's start building our circuit step by step.
First, identify the long leg, or positive side, of the LED. What do we connect that to?
It goes to the resistor, right?
Yes, Student_4! The resistor helps to regulate the current. Now, what should we do with the other end of the resistor?
Connect it to the positive voltage source?
Exactly! Now, let's connect the short leg of the LED to ground. Why is this important?
Because it completes the circuit, so current can flow!
We have our circuit connected! What do we do next before turning on the power?
Check connections and make sure everything is secure!
That's right, Student_3! Safety first. Now, let’s turn on the power. What are we hoping to see?
The LED should light up!
Right! If it works, this means we have successfully built our simple LED circuit.
A simple LED circuit requires connecting an LED, a resistor, and a power source on a breadboard.
Resistors limit the current to prevent damage to sensitive components like LEDs.
Breadboards allow for easy adjustments and prototyping without soldering.
In an LED's life, long leg's in play, with a resistor to guard it, brightening our day.
Once upon a time in the land of circuits, an LED wanted to shine, but it needed a protector, the brave Resistor, who limited its current so it could glow safely.
AR(Anode-Resistor) - The anode connects to a resistor before reaching the power source.
LCR: Long leg to a Capacitor or Resistor for safe lighting.
Term
What do we use a resistor for in an LED circuit?
Click to flip
Term
What connects the long leg of an LED in a circuit?
Click to flip
A Light Emitting Diode that emits light when an electric current passes through it.
A platform for prototyping electronic circuits without soldering.
An electronic component that limits the flow of electric current.
The positive lead of a diode where current flows into the device.
The negative lead of a diode where current flows out of the device.
This section introduces the fundamental steps to build a simple LED circuit on a breadboard.
In this section, we learn how to assemble a basic LED circuit using a breadboard. The steps to connect the LED, resistor, and power source are detailed, emphasizing safety practices and the importance of calculating resistor values to protect the LED from excessive current.
In this section, we focus on constructing a simple LED circuit utilizing a breadboard. A breadboard is an essential tool in electronics for prototyping and testing circuits without soldering.
The following steps outline how to connect an LED to a power source:
Key Tip: Always calculate the appropriate resistor value to avoid damaging the LED due to excessive current flow. This fundamental knowledge is crucial when working with electronics, especially in robotics, where components may be delicate and sensitive to voltage and current alterations.