43K Ohm Resistors (50-Pack)

Description

50PCS Resistor 43K ohm 43000 ohm 1/4w 1/4 w 5%

Tutorial: How to Use 43K ohm Resistor

The 43K ohm resistor is a fundamental component for limiting current flow in electronic circuits. This tutorial will guide you through its usage, ideal for both beginners and intermediate makers.

What you need

• Arduino Uno
• Connectors
• Multimeter

Steps

1. Check the value of the resistor using a multimeter in resistance mode (Ω).
2. If necessary, label the resistor for easy identification.
3. Connect the resistor between two pins of the Arduino using the connectors.
4. Ensure the connection is correct and secure.
5. Write a simple Arduino sketch to measure the voltage across the resistor.
6. Upload the sketch to the Arduino and open the Serial Monitor section in Arduino IDE.
7. Observe the voltage values that appear in the serial monitor.
8. Recalculate the resistance value by measuring the current through it.

Example code

void setup() {
  Serial.begin(9600);
}

void loop() {
  int val = analogRead(A0); // legge il valore del pin A0
  float voltage = (val / 1024.0) * 5.0; // converte in tensione
  Serial.println(voltage); // invia la tensione al monitor seriale
}

Mini project

Create a simple voltage divider circuit using a 43K ohm resistor and another resistor to measure the divided voltage.

Common mistakes

• Do not verify the resistance value before use.
• Connect the resistor incorrectly, reversing the terminals (+/-).
• Use a power resistor insufficient for high current applications.
• Ignore the accuracy of the resistance value (5%).

Recommended accessories

• Arduino Uno
• Multicolored Connections
• Digital Multimeter
• Basic Arduino Kit

Frequently asked questions

What is the maximum power I can pass through this resistor?
Check the datasheet for the precise value, but generally 1/4W.

How do I read the colors on the bands of the resistor?
Use a color table or a specific app to decode the colored codes.

Can I use this resistor in low power circuits?
Yes, it is also suitable for low current applications.