Raspberry Pi 5 and earlier models are made for customization. Do it with spare classics PC parts! 

I almost always start with a bare Raspberry Pi 3, 4 and 5. Watch the video to learn how I customized my Raspberry Pis...
0:00-0:47 - Raspberry Pi 5 customization: Introduction
0:48-2:22 - Fan connector and making a cooling system
2:23- 2:27 - How much a customized Raspberry Pi 5 with 8 GB RAM costs?
2:28-2:52 - Making your own case for Raspberry Pi 5: I've adapted an old Raspberry Pi 4 case.
2:53 -4:32 - Adding an external power on button
4:33-6:01 - Making RTC battery assembly
6:02-6:48 - Adding an analog composite video output
6:49-7:34 - Adding an analog audio output and input
7:35-8:30 - How Raspberry Pi 5 works: Debugging via BCM2712 UART port
8:31-10:04 - PCIe connector for a fast SSD drive, AI accelerator or 2.5 Gb/s Ethernet card
10:05-12:34- Connecting hardware to USB 2.0 and USB 3.0 ports
12:35-14:27 - Expansion connector and how I've built Remote controlled Power On Manager
14:28 -14:45 - USB-C port and alternative Raspberry Pi 5 and 4 powering methods
14:46-19:17 - Sharing Internet connection (Ethernet or Wi-Fi) via USB-C port and copying files over USB-C connection
19:18-19:30 - Power over Ethernet: Are PoE modules for Raspberry Pi 4 and 5 compatible?
19:31-20:34 Digital camera and digital display options: Connecting a 5 MP digital camera
20:35-21:34 - Adding an external Wi-Fi/Bluetooth antenna
21:35-22:05 - Raspberry Pi 4 cooling options
22:06-24:18 - Raspberry Pi 4 Remote controlled Power On Manager and other customization options
24:19 -24:48 - Raspberry Pi 3 customization options

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