1.2K ohm 1/4w Resistor, 50 Pieces

Description

Technical Specifications

The 1.2K ohm 1/4w resistor is a fundamental component used to limit electrical current and divide voltage levels in electronic circuits. This type of resistor is commonly used in Arduino projects and various other electronic schematics to protect sensitive components from excessive current.

The 1.2K ohm 1/4w resistor is available in a quantity of 50 pieces to offer a wide range of options for electronic projects. The resistor is manufactured with a 5% tolerance value, meaning the actual value can vary up to 5% from the nominal value.

The 1.2K ohm 1/4w resistor is suitable for projects that require current limiting and voltage division, such as in protection circuits, voltage regulation, and basic Arduino applications.

Key Specifications

Parameter	Value
Model	1.2K ohm 1/4w Resistor
Resistance Value	1200 ohm
Tolerance	5%
Maximum Power	1/4w
Quantity	50 pieces
Container	Pack of 50 pieces
Dimensions	N/D (see manufacturer’s datasheet)
Interface	N/D (see manufacturer’s datasheet)

Installation and Usage

1. Check the datasheet for the maximum power of the resistor (1/4w in this case).
2. Prepare your Arduino and connection wires.
3. Connect one end of the resistor to the Arduino pin you will use to measure voltage.
4. Connect the other end of the resistor to the ground (GND) of the circuit.
5. Write a simple sketch in Arduino to read the voltage on the pin connected to the resistor.

Compatibility and Requirements

• The 1.2K ohm 1/4w resistor is compatible with Arduino Uno and other microcontrollers.
• It can be used in electronic circuits that require current limiting and voltage division.
• An Arduino or another microcontroller is necessary to use the resistor in a circuit.

Limitations and Important Notes

• The 1.2K ohm 1/4w resistor is not designed to handle excessive currents.
• It is important to check the power rating of the resistor before use to avoid damage.
• The resistor is not designed for high-frequency applications.
• The resistor may vary up to 5% from the nominal value.

Troubleshooting

The resistor is not working correctly.
Possible cause: The resistor may be connected to the wrong pin or the circuit may have excessive current.
Solution: Check the correct connection of the resistor and the power of the circuit.

The resistor overheats.
Probable cause: The circuit may require a resistor with higher power.
Solution: Replace the resistor with one of higher power.

The resistor does not properly limit the current.
Probable cause: The value of the resistor may not be correct for the circuit.
Solution: Check the value of the resistor and its tolerance.

The resistor does not properly regulate the voltage.
Probable cause: The circuit may not be correctly designed for the resistor.
Solution: Check the circuit design and proper connection of the resistor.

Use cases

Home temperature sensor
Objective: Regulate the temperature of the home.
What is needed: Arduino Uno, 1.2K ohm 1/4w resistor, temperature sensors
Steps: 1) Install temperature sensors. 2) Connect the 1.2K ohm 1/4w resistor to the circuit. 3) Write an Arduino sketch to measure temperature. 4) Adjust temperature based on received data.
Expected result: The house temperature is regulated efficiently.

Home Security Alarm System
Objective: Detect movements and activate an alarm.
What’s needed: Arduino Uno, 1.2K ohm 1/4w resistor, motion sensors
Steps: 1) Install motion sensors. 2) Connect the 1.2K ohm 1/4w resistor to the circuit. 3) Write an Arduino sketch to activate the alarm. 4) Test the alarm system.
Expected result: The alarm system correctly detects movements.

Light Dimmer for a School Project
Objective: Regulate the brightness of an LED.
What’s needed: Arduino Uno, 1.2K ohm 1/4w resistor, LED
Steps: 1) Connect the 1.2K ohm 1/4w resistor to the circuit. 2) Write an Arduino sketch to adjust the LED brightness. 3) Test the brightness regulator.
Expected result: The LED brightness is correctly adjusted.

Home Automation Project
Objective: Regulate home lighting.
What you need: Arduino Uno, 1.2K ohm 1/4w resistor, light sensors
Steps: 1) Install the light sensors. 2) Connect the 1.2K ohm 1/4w resistor to the circuit. 3) Write an Arduino sketch to regulate the lighting. 4) Test the lighting system.
Expected result: Home lighting is efficiently regulated.

Electronic Prototyping Project
Objective: Test the resistor in a prototyped circuit.
What you need: Arduino Uno, 1.2K ohm 1/4w resistor, printed circuit board (PCB)
Steps: 1) Connect the 1.2K ohm 1/4w resistor to the prototype circuit. 2) Write an Arduino sketch to test the resistor. 3) Verify the functionality of the resistor.
Expected result: The resistor functions correctly in the prototype circuit.

Electronic test project
Objective: Test the resistor in a test circuit.
What’s needed: Arduino Uno, 1.2K ohm 1/4w resistor, electronic test tools
Steps: 1) Connect the 1.2K ohm 1/4w resistor to the test circuit. 2) Use electronic test tools to measure the resistance. 3) Verify the value of the resistance.
Expected result: The value of the resistance is measured correctly.

Electronic hobby project
Objective: Adjust the brightness of an LED.
What’s needed: Arduino Uno, 1.2K ohm 1/4w resistor, LED
Steps: 1) Connect the 1.2K ohm 1/4w resistor to the circuit. 2) Write an Arduino sketch to adjust the LED brightness. 3) Test the brightness regulator.
Expected result: The LED brightness is correctly adjusted.

Electronic lab project
Objective: Test the resistor in a lab circuit.
What you need: Arduino Uno, 1.2K ohm 1/4w resistor, lab tools
Steps: 1) Connect the 1.2K ohm 1/4w resistor to the lab circuit. 2) Use lab tools to measure the resistor. 3) Verify the resistor value.
Expected result: The resistor value is correctly measured.

In the package

• 50 pieces

Complete the project

• 50 Pieces 1000 ohm 1k ohm 1/4w 1/4 w 5%: Suitable for projects with similar resistor values.
• 50 Pieces Resistance, 10000 ohm, 10k, ohm 1/4w 1/4 w 5%, Arduino Compatible Resistors: Suitable for projects with resistors of different values but similar power.
• 50 Pieces Resistance 100 ohm 1/4w 5%: Suitable for projects with lower value resistors.
• 50 Pieces Resistance 220 ohm 1/4w 1/4 w 5%: Suitable for projects with higher value resistors.
• 50 Pieces Resistance 4.7K ohm 4700 ohm 1/4w 1/4 w 5%: Suitable for projects with medium value resistors.

Technical FAQ

What is the exact value of the resistance?
Check the datasheet to obtain the precise value.

Can I use this resistance in a circuit with more current?
Check the maximum power of the resistance before use.

How do I verify the correct connection of the resistance?
Verify the correct connection of the resistance and the power of the circuit.

What are the usage limits of the resistance?
The resistor is not designed to handle excessive current and high frequency.

Tutorial: How to use 1.2K ohm Resistor

Resistors are fundamental components in any electronic project, used to limit electric current or divide voltage levels. This guide shows you how to install and use a 1.2K ohm resistor in your project.

What you need

• Arduino Uno
• Connecting Wire
• Printed Circuit Board (PCB)

Steps

1. Check the datasheet for the maximum power rating of the resistor (1/4w in this case).
2. Prepare your Arduino and connecting wires.
3. Connect one end of the resistor to the Arduino pin you will use to measure voltage.
4. Connect the other end to the ground (GND) of the circuit.
5. Write a simple sketch in Arduino to read the voltage on the pin connected to the resistor.
6. Upload the sketch to your Arduino.
7. Obtain and analyze the data received from the voltage sensor.
8. Test the functionality of your setup.

Example code

int ledPin = 13; // definisci la pin dell'Arduino
void setup() {
  pinMode(ledPin, OUTPUT);
}

void loop() {
  digitalWrite(ledPin, HIGH);   // accendi il LED
  delay(1000);                  // attendi un secondo
  digitalWrite(ledPin, LOW);    // spegni il LED
  delay(1000);                   // attendi un secondo
}

Mini project

Create a simple lighting circuit controlled by a resistor that adjusts the brightness of the LED. Use Arduino to measure the voltage and regulate the LED’s brightness.

Common mistakes

• Connect the resistor to the wrong pin.
• Use it in a circuit with too much current.
• Do not verify the resistor’s power rating before use.

Recommended accessories

• Arduino Uno
• LEDs in various colors
• Light sensors

Frequently asked questions

What is the exact value of the resistor?
Check the datasheet to obtain the precise value.

Can I use this resistor in a circuit with more current?
Check the maximum power supported by the resistor and adapt your project accordingly.