470K Ohm Resistor (50 Pack)

Description

50PCS Resistor 470K ohm 470000 ohm 1/4w 1/4 w 5%

Tutorial: How to use Resistor 470K ohm

The 470k ohm resistor is a fundamental component for those starting to work with electronic circuits. It is mainly used to limit the flow of current or create voltage dividers.

What you need

• Arduino Uno
• multimeter
• prototyping board

Steps

1. Check the resistor using a multimeter in continuity mode.
2. Connect the red lead of the resistor to pin 2 of the Arduino and the black lead to GND.
3. Write an Arduino sketch to measure the voltage on pin 2 with analogRead().
4. Calculate the voltage division using Ohm’s Law.

Example code

const int sensorPin = 2;
int val;
void setup() {
pinMode(sensorPin, INPUT);
Serial.begin(9600);
}
void loop() {
val = analogRead(sensorPin);
Serial.println(val);}

Mini project

Create a simple voltage divider circuit with an additional resistor and measure the difference.

Common mistakes

• Using a resistor that is too low which burns out the component.
• Not verifying the resistor correctly before use.
• Incorrect connection between Arduino and prototyping board.

Recommended accessories

• Arduino Uno
• Breadboard
• Variable Resistors

Frequently asked questions

How do I check the resistance?
Use a multimeter in continuity mode and verify the value specified in the datasheet.

What is the purpose of a resistor in an Arduino circuit?
Limits currents to protect components and creates voltage dividers.