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Desktop Combo Kit for Raspberry Pi 4 Model B

Desktop Combo Kit for Raspberry Pi 4 Model B Desktop Combo Kit for Raspberry Pi 4 Model B
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Capacity

16GB, 32GB, or 64GB (dependent on the kit)

Class 10 performance for optimal data storage and transfer

  • Power Adapter: The kit includes a high-quality power adapter with:

Output

5V, 3A

Input

100-240V, 50-60Hz

USB-C connector for fast and efficient charging

  • Case: The kit includes a durable and stylish case with:

Compact design for reduced footprint

Access to all ports and connectors

Ventilation for optimal cooling

  • Additional Accessories:

HDMI cable for video output

USB-C to USB-A cable for data transfer and charging

Quick start guide for getting started with the Raspberry Pi 4 Model B

Technical Specifications

Operating System

Raspberry Pi OS (or compatible)

Power Consumption

5V, 3A

Dimensions

Case - 85mm x 56mm x 17mm, Raspberry Pi 4 Model B - 85mm x 56mm x 17mm

Weight

Case - 120g, Raspberry Pi 4 Model B - 45g

Conclusion

The Desktop Combo Kit for Raspberry Pi 4 Model B provides a comprehensive and convenient solution for users looking to get started with their Raspberry Pi projects. With its included microSD card, power adapter, case, and additional accessories, this kit provides everything needed to set up a fully functional desktop environment on the Raspberry Pi 4 Model B.

Pin Configuration

  • Desktop Combo Kit for Raspberry Pi 4 Model B Pinout Guide
  • The Desktop Combo Kit for Raspberry Pi 4 Model B features a 40-pin GPIO header that allows you to connect various peripherals and devices to your Raspberry Pi. Here's a detailed explanation of each pin, including their functions and how to connect them:
  • Power Pins (1-6)
  • 1. 3.3V Power (PIN 1): This pin provides 3.3V power from the Raspberry Pi's power supply.
  • Connection: Connect to devices that require 3.3V power, such as sensors, LED lights, or other low-voltage devices.
  • 2. 5V Power (PIN 2): This pin provides 5V power from the Raspberry Pi's power supply.
  • Connection: Connect to devices that require 5V power, such as motors, relays, or other high-voltage devices.
  • 3. GPIO 17 (PIN 3): This pin is a GPIO pin that can be used as an output to control devices or as an input to read sensor data.
  • Connection: Connect to devices that require GPIO control or sensing, such as LED lights, buttons, or sensors.
  • 4. 5V Power (PIN 4): This pin provides 5V power from the Raspberry Pi's power supply.
  • Connection: Connect to devices that require 5V power, such as motors, relays, or other high-voltage devices.
  • 5. Ground (PIN 5): This pin provides a ground connection for the Raspberry Pi.
  • Connection: Connect to devices that require a ground connection, such as sensors, LED lights, or other devices.
  • 6. Ground (PIN 6): This pin provides a ground connection for the Raspberry Pi.
  • Connection: Connect to devices that require a ground connection, such as sensors, LED lights, or other devices.
  • GPIO Pins (7-26)
  • 7. GPIO 23 (PIN 7): This pin is a GPIO pin that can be used as an output to control devices or as an input to read sensor data.
  • Connection: Connect to devices that require GPIO control or sensing, such as LED lights, buttons, or sensors.
  • 8. GPIO 24 (PIN 8): This pin is a GPIO pin that can be used as an output to control devices or as an input to read sensor data.
  • Connection: Connect to devices that require GPIO control or sensing, such as LED lights, buttons, or sensors.
  • 9. GPIO 10 (PIN 9): This pin is a GPIO pin that can be used as an output to control devices or as an input to read sensor data.
  • Connection: Connect to devices that require GPIO control or sensing, such as LED lights, buttons, or sensors.
  • 10. GPIO 9 (PIN 10): This pin is a GPIO pin that can be used as an output to control devices or as an input to read sensor data.
  • Connection: Connect to devices that require GPIO control or sensing, such as LED lights, buttons, or sensors.
  • 11. GPIO 25 (PIN 11): This pin is a GPIO pin that can be used as an output to control devices or as an input to read sensor data.
  • Connection: Connect to devices that require GPIO control or sensing, such as LED lights, buttons, or sensors.
  • 12. GPIO 11 (PIN 12): This pin is a GPIO pin that can be used as an output to control devices or as an input to read sensor data.
  • Connection: Connect to devices that require GPIO control or sensing, such as LED lights, buttons, or sensors.
  • 13. GPIO 8 (PIN 13): This pin is a GPIO pin that can be used as an output to control devices or as an input to read sensor data.
  • Connection: Connect to devices that require GPIO control or sensing, such as LED lights, buttons, or sensors.
  • 14. GPIO 7 (PIN 14): This pin is a GPIO pin that can be used as an output to control devices or as an input to read sensor data.
  • Connection: Connect to devices that require GPIO control or sensing, such as LED lights, buttons, or sensors.
  • 15. TXD (PIN 15): This pin is the transmit data pin for the UART serial communication protocol.
  • Connection: Connect to devices that require serial communication, such as GPS modules or serial displays.
  • 16. RXD (PIN 16): This pin is the receive data pin for the UART serial communication protocol.
  • Connection: Connect to devices that require serial communication, such as GPS modules or serial displays.
  • 17. GPIO 5 (PIN 17): This pin is a GPIO pin that can be used as an output to control devices or as an input to read sensor data.
  • Connection: Connect to devices that require GPIO control or sensing, such as LED lights, buttons, or sensors.
  • 18. GPIO 6 (PIN 18): This pin is a GPIO pin that can be used as an output to control devices or as an input to read sensor data.
  • Connection: Connect to devices that require GPIO control or sensing, such as LED lights, buttons, or sensors.
  • 19. GPIO 13 (PIN 19): This pin is a GPIO pin that can be used as an output to control devices or as an input to read sensor data.
  • Connection: Connect to devices that require GPIO control or sensing, such as LED lights, buttons, or sensors.
  • 20. GPIO 19 (PIN 20): This pin is a GPIO pin that can be used as an output to control devices or as an input to read sensor data.
  • Connection: Connect to devices that require GPIO control or sensing, such as LED lights, buttons, or sensors.
  • 21. GPIO 26 (PIN 21): This pin is a GPIO pin that can be used as an output to control devices or as an input to read sensor data.
  • Connection: Connect to devices that require GPIO control or sensing, such as LED lights, buttons, or sensors.
  • 22. GPIO 12 (PIN 22): This pin is a GPIO pin that can be used as an output to control devices or as an input to read sensor data.
  • Connection: Connect to devices that require GPIO control or sensing, such as LED lights, buttons, or sensors.
  • 23. GPIO 16 (PIN 23): This pin is a GPIO pin that can be used as an output to control devices or as an input to read sensor data.
  • Connection: Connect to devices that require GPIO control or sensing, such as LED lights, buttons, or sensors.
  • 24. GPIO 20 (PIN 24): This pin is a GPIO pin that can be used as an output to control devices or as an input to read sensor data.
  • Connection: Connect to devices that require GPIO control or sensing, such as LED lights, buttons, or sensors.
  • 25. GPIO 21 (PIN 25): This pin is a GPIO pin that can be used as an output to control devices or as an input to read sensor data.
  • Connection: Connect to devices that require GPIO control or sensing, such as LED lights, buttons, or sensors.
  • 26. GPIO 18 (PIN 26): This pin is a GPIO pin that can be used as an output to control devices or as an input to read sensor data.
  • Connection: Connect to devices that require GPIO control or sensing, such as LED lights, buttons, or sensors.
  • SPI Pins (27-30)
  • 27. SPI CE0 (PIN 27): This pin is the chip enable pin for SPI communication.
  • Connection: Connect to devices that require SPI communication, such as flash memory or display modules.
  • 28. SPI CE1 (PIN 28): This pin is the chip enable pin for SPI communication.
  • Connection: Connect to devices that require SPI communication, such as flash memory or display modules.
  • 29. SPI MISO (PIN 29): This pin is the master in, slave out pin for SPI communication.
  • Connection: Connect to devices that require SPI communication, such as flash memory or display modules.
  • 30. SPI MOSI (PIN 30): This pin is the master out, slave in pin for SPI communication.
  • Connection: Connect to devices that require SPI communication, such as flash memory or display modules.
  • I2C Pins (31-34)
  • 31. I2C SCL (PIN 31): This pin is the clock pin for I2C communication.
  • Connection: Connect to devices that require I2C communication, such as sensors or displays.
  • 32. I2C SDA (PIN 32): This pin is the data pin for I2C communication.
  • Connection: Connect to devices that require I2C communication, such as sensors or displays.
  • 33. Ground (PIN 33): This pin provides a ground connection for the Raspberry Pi.
  • Connection: Connect to devices that require a ground connection, such as sensors, LED lights, or other devices.
  • 34. 3.3V Power (PIN 34): This pin provides 3.3V power from the Raspberry Pi's power supply.
  • Connection: Connect to devices that require 3.3V power, such as sensors, LED lights, or other low-voltage devices.
  • Other Pins (35-40)
  • 35. GPIO 22 (PIN 35): This pin is a GPIO pin that can be used as an output to control devices or as an input to read sensor data.
  • Connection: Connect to devices that require GPIO control or sensing, such as LED lights, buttons, or sensors.
  • 36. GPIO 27 (PIN 36): This pin is a GPIO pin that can be used as an output to control devices or as an input to read sensor data.
  • Connection: Connect to devices that require GPIO control or sensing, such as LED lights, buttons, or sensors.
  • 37. GPIO 4 (PIN 37): This pin is a GPIO pin that can be used as an output to control devices or as an input to read sensor data.
  • Connection: Connect to devices that require GPIO control or sensing, such as LED lights, buttons, or sensors.
  • 38. GPIO 15 (PIN 38): This pin is a GPIO pin that can be used as an output to control devices or as an input to read sensor data.
  • Connection: Connect to devices that require GPIO control or sensing, such as LED lights, buttons, or sensors.
  • 39. GPIO 28 (PIN 39): This pin is a GPIO pin that can be used as an output to control devices or as an input to read sensor data.
  • Connection: Connect to devices that require GPIO control or sensing, such as LED lights, buttons, or sensors.
  • 40. GPIO 29 (PIN 40): This pin is a GPIO pin that can be used as an output to control devices or as an input to read sensor data.
  • Connection: Connect to devices that require GPIO control or sensing, such as LED lights, buttons, or sensors.
  • Remember to always check the pinout diagram and documentation for your specific device or module before making any connections to ensure compatibility and safe operation.

Code Examples

Desktop Combo Kit for Raspberry Pi 4 Model B Documentation
Overview
The Desktop Combo Kit for Raspberry Pi 4 Model B is a comprehensive set of components designed to get you started with building IoT projects using the Raspberry Pi 4 Model B single-board computer. This kit includes a range of essential components, such as a power supply, HDMI cable, and casing, to help you set up and develop your Raspberry Pi-based projects.
Kit Contents
Raspberry Pi 4 Model B
 Power supply (5V, 3A)
 HDMI cable
 Casing with cooling fan
 MicroSD card (pre-installed with Raspberry Pi OS)
Technical Specifications
Raspberry Pi 4 Model B:
	+ Processor: Quad-core Cortex-A72 CPU
	+ RAM: 4GB
	+ Storage: MicroSD card slot
	+ Operating System: Raspberry Pi OS
 Power Supply:
	+ Input: 100-240V, 50-60Hz
	+ Output: 5V, 3A
 HDMI Cable:
	+ Length: 1.5m
	+ Resolution: Up to 4K at 60Hz
Code Examples
Here are a few code examples to demonstrate how to use the Desktop Combo Kit for Raspberry Pi 4 Model B in different contexts:
Example 1: Blinking LED using Python
In this example, we will use Python to control an LED connected to the Raspberry Pi's GPIO pins.
Hardware Requirements:
Raspberry Pi 4 Model B
 LED
 1k resistor
 Breadboard
 Jumper wires
Python Code:
```python
import RPi.GPIO as GPIO
import time
# Set up GPIO mode
GPIO.setmode(GPIO.BCM)
# Set up LED pin
LED_PIN = 17
GPIO.setup(LED_PIN, GPIO.OUT)
try:
    while True:
        # Blink LED on and off
        GPIO.output(LED_PIN, GPIO.HIGH)
        time.sleep(1)
        GPIO.output(LED_PIN, GPIO.LOW)
        time.sleep(1)
except KeyboardInterrupt:
    # Clean up GPIO pins on exit
    GPIO.cleanup()
```
Example 2: Temperature and Humidity Monitoring using Python and DHT11 Sensor
In this example, we will use Python to read temperature and humidity data from a DHT11 sensor connected to the Raspberry Pi.
Hardware Requirements:
Raspberry Pi 4 Model B
 DHT11 temperature and humidity sensor
 Breadboard
 Jumper wires
Python Code:
```python
import Adafruit_DHT
import time
# Set up DHT11 sensor
DHT_PIN = 4
dht_sensor = Adafruit_DHT.DHT11
try:
    while True:
        # Read temperature and humidity data
        humidity, temperature = Adafruit_DHT.read_retry(dht_sensor, DHT_PIN)
        print(f'Temperature: {temperature:.2f}C, Humidity: {humidity:.2f}%')
        time.sleep(5)
except KeyboardInterrupt:
    print('Exiting...')
```
Example 3: Web Interface for Raspberry Pi using Flask
In this example, we will create a simple web interface using Flask to control and monitor the Raspberry Pi's GPIO pins.
Hardware Requirements:
Raspberry Pi 4 Model B
 LED
 1k resistor
 Breadboard
 Jumper wires
Python Code:
```python
from flask import Flask, render_template, request
import RPi.GPIO as GPIO
app = Flask(__name__)
# Set up GPIO mode
GPIO.setmode(GPIO.BCM)
# Set up LED pin
LED_PIN = 17
GPIO.setup(LED_PIN, GPIO.OUT)
@app.route('/')
def index():
    return render_template('index.html')
@app.route('/led', methods=['POST'])
def led_control():
    state = request.form['state']
    if state == 'on':
        GPIO.output(LED_PIN, GPIO.HIGH)
    elif state == 'off':
        GPIO.output(LED_PIN, GPIO.LOW)
    return 'LED set to ' + state
if __name__ == '__main__':
    app.run(host='0.0.0.0', port=80, debug=True)
```
Template File (index.html)
```html
<!DOCTYPE html>
<html>
  <head>
    <title>Raspberry Pi LED Control</title>
  </head>
  <body>
    <h1>Raspberry Pi LED Control</h1>
    <form action="/led" method="post">
      <input type="submit" name="state" value="on">
      <input type="submit" name="state" value="off">
    </form>
  </body>
</html>
```
These examples demonstrate how to use the Desktop Combo Kit for Raspberry Pi 4 Model B in different contexts, including GPIO control, sensor integration, and web development.