Pack of 50 33K Ohm Resistors

Description

50PCS 33K ohm 33000 ohm 1/4w 1/4 w 5%

Tutorial: How to use 33K ohm Resistor

The 33K ohm resistor is a fundamental component for anyone learning electronics. It primarily serves to limit the flow of current in electrical circuits, protecting sensitive components.

What you need

• Arduino Uno
• Jumper wire
• Multimeter

Steps

1. Check the resistance of the component with a multimeter.
2. Connect one end of the resistor to GND of the Arduino and the other to the desired input/output pin.
3. Write an Arduino sketch to read the value of the pin connected to the resistor.

Example code

int ledPin = 13; // definisci la porta
void setup() {
pinMode(ledPin, OUTPUT); // imposta la porta come uscita
digitalWrite(ledPin, LOW); // accendi il LED con LOW
}
void loop() {}
// Aggiungi qui il codice per leggere il valore del pin collegato alla resistenza.

Mini project

Create a simple protection circuit that limits the current passing through an LED. Connect the resistor between the power supply and the LED, ensuring it does not exceed the maximum voltage of the component.

Common mistakes

• Connect the resistor incorrectly relative to the rest of the circuit.
• Use it with too high a current.
• Do not check the resistor before use.

Recommended accessories

• Arduino Uno
• Basic electronics kit
• Jumper cable set

Frequently asked questions

How can I check if the resistor is good?
Use a multimeter in ohmmeter mode to measure the value of the resistor.

What are the temperature limits for this resistor?
Check the component datasheet.