Raspberry Pi 1 Model B+ is an improved version of the original Raspberry Pi Model B, offering several enhancements while maintaining the core functionality that made the Raspberry Pi popular. Here are some key details:

- Dimensions: The Model B+ has a slightly larger footprint than the original Model B but still remains relatively compact, measuring 85.6mm x 56mm x 17mm.
- Processor: It uses the same Broadcom BCM2835 SoC as its predecessor, featuring a 700MHz single-core ARM1176JZF-S CPU.
- Memory: It comes with 512MB of SDRAM, providing enough memory for a range of basic computing tasks.
- I/O Interfaces:
- 40 GPIO pins (an upgrade from the 26 pins on the original Model B), allowing for more extensive hardware projects.
- Four USB 2.0 ports (doubled from the two in the original Model B), increasing the connectivity options.
- An HDMI port for video output, capable of displaying up to 1080p.
- A microSD slot for storage, supporting higher capacity cards.
- A composite video and audio jack (via a 3.5mm jack).
- A CSI camera connector and a DSI display connector.
- A micro USB power port.
- Storage: Like other Raspberry Pi models, it uses a microSD card for the operating system and data storage.
- Power: It requires a 5V/2A power supply, which is slightly higher than the original Model B due to the additional USB ports.
- Price: The Model B+ was more expensive than the Model A+ but still represented good value for money, especially considering the additional features.
- Usage:
- Education: Widely used in schools and universities for teaching computer science, electronics, and robotics.
- DIY Projects: Suitable for a variety of DIY projects, including home automation, retro gaming, media centers, and IoT applications.
- Embedded Systems: Used in various embedded systems where low cost, compact size, and basic computing power are needed.
- Development: A popular choice for developers and hobbyists for prototyping, software development, and hardware integration.
Key Advantages:
- Enhanced GPIO: The increased number of GPIO pins allows for more complex and sophisticated hardware interfacing.
- More USB Ports: The addition of two more USB ports enhances connectivity, allowing for more peripherals or devices to be plugged in simultaneously.
- Camera and Display Connectors: The inclusion of dedicated connectors for cameras and displays opened up new possibilities for multimedia projects and surveillance systems.
- Improved Power Management: Better power distribution across the board, reducing issues with power drops.
Limitations:
- Performance: The single-core CPU at 700MHz is less powerful than later models, which might limit its use in more demanding applications.
- Memory: While 512MB was adequate for many projects at the time, it can be limiting for applications requiring more memory.
- No Built-in Wireless: Like its predecessor, it does not come with built-in Wi-Fi or Bluetooth, requiring additional hardware for wireless connectivity.
The Raspberry Pi 1 Model B+ represented a significant step forward in the evolution of the Raspberry Pi, addressing some of the limitations of the original Model B while keeping the core philosophy of providing an affordable, accessible, and versatile computing platform. Its enhancements in connectivity and GPIO pins made it more appealing for a broader range of projects, from educational to professional, and helped cement the Raspberry Pi’s place in the maker and tech community.
Software
Raspberry Pi OS is the recommended operating system for normal use on a Raspberry Pi
Raspberry Pi Imager is the quick and easy way to install Raspberry Pi OS and other operating systems to a microSD card, ready to use with your Raspberry Pi.
Compliance
Raspberry Pi 1 Model B+ has undergone extensive compliance testing, and meets the following European standards:
- Electromagnetic Compatibility Directive (EMC) 2014/30/EU
- Restriction of Hazardous Substances (RoHS) Directive 2011/65/EU
View and download global compliance certificates for Raspberry Pi products.
The Adopted Trademarks HDMI®, HDMI High-Definition Multimedia Interface, and the HDMI Logo are trademarks or registered trademarks of HDMI Licensing Administrator, Inc. in the United States and other countries.