2.2k Ohm Resistor - (Pack of 10) Documentation

Component Description

2.2k Ohm Resistor (Pack of 10)

Overview

The 2.2k Ohm Resistor is a axial-lead, carbon film resistor, packaged in a pack of 10 pieces. It is a fundamental component in electronic circuits, designed to provide precise resistance to the flow of electrical current. The resistor is widely used in various applications, including IoT projects, prototypes, and production designs.

Functionality

The primary function of the 2.2k Ohm Resistor is to regulate the flow of electrical current in a circuit. It achieves this by converting some of the energy into heat, thereby reducing the voltage and current levels. The resistor's resistance value, in this case 2.2 kilohms, determines the amount of opposition it provides to the current flow.

Key Features

Resistance Value: 2.2 kilohms (k) 5%
Power Rating: 1/4 watt (W)
Tolerance: 5%
Component Type: Axial-lead, carbon film resistor
Packaging: Pack of 10 pieces
Operating Temperature Range: -55C to 155C
Insulation Resistance: 100 M
Dielectric Withstand Voltage: 500 V

Physical Characteristics

Body Material: Carbon film on ceramic core
Lead Material: Tin-plated copper
Insulation Material: Paint coating
Dimensions: 3.5 mm (L) x 1.5 mm (D)
Weight: Approximately 0.1 grams per piece

Applications

IoT Projects: Ideal for use in IoT projects, prototypes, and production designs, such as sensor circuits, voltage dividers, and signal attenuation.
Circuit Prototyping: Suitable for rapid prototyping and development of electronic circuits.
Electronic Devices: Can be used in various electronic devices, including robots, drones, automotive systems, and industrial control systems.

Technical Specifications

| Parameter | Value | Unit |

| --- | --- | --- |

| Resistance | 2.2 k | Ohms |

| Power Rating | 1/4 | W |

| Tolerance | 5% | % |

| Operating Temperature | -55C to 155C | C |

| Insulation Resistance | 100 M | Ohms |

| Dielectric Withstand Voltage | 500 V | V |

Ordering Information

The 2.2k Ohm Resistor (Pack of 10) is available for purchase in a pack of 10 pieces. When ordering, ensure to specify the correct packaging and quantity to meet your project requirements.

Pin Configuration

Component Documentation: 2.2k Ohm Resistor (Pack of 10)
Overview
The 2.2k Ohm Resistor is a passive electrical component that opposes the flow of electric current. It is a common component used in various electronic circuits to control the voltage and current levels. This resistor has a resistance value of 2.2 kilohms and comes in a pack of 10.
Pin Description
The 2.2k Ohm Resistor has two pins:
Pin 1:
Function: Input/Output
Description: This is one end of the resistor where the input voltage is applied.
Connection: Connect this pin to the positive terminal of the voltage source or the output of another component.
Pin 2:
Function: Input/Output
Description: This is the other end of the resistor where the output voltage is measured.
Connection: Connect this pin to the negative terminal of the load or another component in the circuit.
Connection Structure
To connect the 2.2k Ohm Resistor in a circuit, follow these steps:
1. Identify the pins: Identify the two pins of the resistor, Pin 1 and Pin 2.
2. Determine the circuit: Determine the circuit configuration and the components involved.
3. Connect Pin 1: Connect Pin 1 to the positive terminal of the voltage source or the output of another component.
4. Connect Pin 2: Connect Pin 2 to the negative terminal of the load or another component in the circuit.
5. Verify the circuit: Verify the circuit connections to ensure they match the desired circuit configuration.
Example Circuit
Here's an example of a simple circuit using the 2.2k Ohm Resistor:
Voltage Source: 5V Power Supply
Load: LED Light
Resistor: 2.2k Ohm Resistor (this component)
Connection:
Pin 1 of the resistor connects to the positive terminal of the 5V power supply.
Pin 2 of the resistor connects to the positive terminal of the LED light.
The negative terminal of the LED light connects to the negative terminal of the 5V power supply.
This circuit configuration limits the current flowing through the LED light, ensuring it operates within a safe voltage range.
Notes and Precautions
Handle the resistor with care to avoid damaging the component.
Ensure the resistor is connected correctly to avoid overheating or damage to other components.
Use the resistor within its specified power rating to avoid damage or degradation.
By following these instructions and understanding the pin description and connection structure, you can effectively use the 2.2k Ohm Resistor in your IoT projects.

Code Examples

2.2k Ohm Resistor (Pack of 10) Documentation

Overview

The 2.2k Ohm Resistor is a passive electronic component that provides a fixed resistance of 2200 Ohms in a circuit. This component is commonly used in various IoT applications, such as voltage dividers, signal attenuators, and current limiters. This pack of 10 resistors is ideal for prototyping and development of IoT projects.

Characteristics

Resistance: 2200 Ohms (2.2k Ohm)
 Tolerance: 5% or 1% (depending on the manufacturer)
 Power Rating: 1/4 Watt or 1/8 Watt (depending on the manufacturer)
 Operating Temperature: -55C to 155C (depending on the manufacturer)

Circuit Symbol

The circuit symbol for a resistor is:

Code Examples

Here are a few code examples that demonstrate how to use the 2.2k Ohm Resistor in various contexts:

Example 1: Voltage Divider with Arduino

In this example, we will use the 2.2k Ohm Resistor as part of a voltage divider circuit to reduce a 5V input voltage to 3.3V.

Circuit Diagram:

R1 (2.2k Ohm) - R2 (3.3k Ohm) - Vout (3.3V)

Arduino Code:
```c++
const int vin = 5;  // Input voltage
const int vout = 3.3;  // Desired output voltage
const int R1 = 2200;  // 2.2k Ohm Resistor
const int R2 = 3300;  // 3.3k Ohm Resistor

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

void loop() {
  float voltage = (vin  R2) / (R1 + R2);
  Serial.print("Output Voltage: ");
  Serial.print(voltage);
  Serial.println("V");
  delay(1000);
}
```
Example 2: Signal Attenuation with Raspberry Pi (Python)

In this example, we will use the 2.2k Ohm Resistor to attenuate a 5V signal to 3V.

Circuit Diagram:

Signal In (5V) - R (2.2k Ohm) - Signal Out (3V)

Python Code:
```python
import RPi.GPIO as GPIO

# Set up GPIO mode
GPIO.setmode(GPIO.BCM)

# Define signal input pin
signal_in = 17

# Define signal output pin
signal_out = 23

# Set up signal input pin as input
GPIO.setup(signal_in, GPIO.IN)

# Set up signal output pin as output
GPIO.setup(signal_out, GPIO.OUT)

try:
    while True:
        # Read signal input
        signal_in_state = GPIO.input(signal_in)
        
        # Attenuate signal using resistor divider
        signal_out_state = signal_in_state  (3.0 / 5.0)  # 3V / 5V
        
        # Write attenuated signal to output pin
        GPIO.output(signal_out, signal_out_state)
        
        # Wait for 1 second
        time.sleep(1)

except KeyboardInterrupt:
    # Clean up GPIO
    GPIO.cleanup()
```
Example 3: Current Limiting with ESP32 (MicroPython)

In this example, we will use the 2.2k Ohm Resistor to limit the current drawn from a 3.3V power source.

Circuit Diagram:

VCC (3.3V) - R (2.2k Ohm) - LED (or load) - GND

MicroPython Code:
```python
import machine

# Define LED pin
led = machine.Pin(2, machine.Pin.OUT)

# Define current limit resistor
R = 2200

try:
    while True:
        # Calculate current limit
        current_limit = 3.3 / R
        
        # Set LED state based on current limit
        if current_limit > 0.01:  # 10mA
            led.value(1)
        else:
            led.value(0)
        
        # Wait for 1 second
        time.sleep(1)

except KeyboardInterrupt:
    # Clean up
    led.value(0)
    machine.reset()
```
Note: These code examples are for illustrative purposes only and may require modifications to work with your specific IoT project. Always ensure that your circuit design and code are compatible with the specifications of your components and the requirements of your project.

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2.2k Ohm Resistor - (Pack of 10)

Component Description

Pin Configuration

Code Examples