Raspberry pi 3b @1500

Raspberry pi 4b @3000

Hp mini laptop screen @1000

Hp laptop motherboard @1000 but without ssd

Hp original laptop adapter @700

Here are the descriptions for Raspberry Pi 3B and 4B:

Raspberry Pi 3B:

The Raspberry Pi 3B is a single-board computer released in 2016. It's a popular choice for DIY projects, prototyping, and learning programming.

*Key Features:*

1. *Processor*: Quad-core Cortex-A53 CPU at 1.2 GHz

2. *Memory*: 1 GB RAM

3. *Storage*: MicroSD card slot

4. *Networking*: 802.11n Wi-Fi, Bluetooth 4.1, and Gigabit Ethernet

5. *Graphics*: Broadcom VideoCore IV GPU

6. *Operating System*: Supports various Linux distributions, including Raspbian

7. *Power*: MicroUSB port for power input

8. *Dimensions*: 85 x 56 mm

Raspberry Pi 4B:

The Raspberry Pi 4B is a significant upgrade to the 3B, released in 2019. It offers improved performance, memory, and connectivity options.

*Key Features:*

1. *Processor*: Quad-core Cortex-A72 CPU at 1.5 GHz (1.8 GHz in turbo mode)

2. *Memory*: 2 GB, 4 GB, or 8 GB RAM (depending on the model)

3. *Storage*: MicroSD card slot, with support for USB 3.0 storage devices

4. *Networking*: 802.11ac Wi-Fi, Bluetooth 5.0, and Gigabit Ethernet

5. *Graphics*: Broadcom VideoCore VI GPU

6. *Operating System*: Supports various Linux distributions, including Raspbian

7. *Power*: USB-C port for power input

8. *Dimensions*: 85 x 56 mm

*Upgrades and Improvements:*

1. *Faster CPU*: Cortex-A72 provides a significant performance boost

2. *More memory*: Options for 2 GB, 4 GB, or 8 GB RAM

3. *Improved graphics*: VideoCore VI GPU supports 4K video playback

4. *Faster networking*: 802.11ac Wi-Fi and Gigabit Ethernet

5. *USB 3.0*: Faster storage and peripheral connectivity