Maciej Witkowiak
POLAND • + Follow
Tools, APP Software Used etc.
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KiCad 9.0 |
Description
PI1551-HAT
This is the PI1551-HAT board with all the difficult SMD parts populated, most importantly R2 and D2 required to protect RPi from 5V /RESET signal from C16/Plus4.
For the project to work you also need to make several choices for THT parts, depending on availability:
- which OLED screen: 128x64 or 128x32?
- do you want a buzzer or not?
- 5 buttons or encoder+2 buttons
- standalone encoder or KY-040 module?
- LED color: red or green? which size: 3mm or 5mm?
- MiniDIN-7 socket with a cable? or make the cable yourself with MiniDIN-7 plug and pinheader connection on the HAT's end?
Read more about this on https://github.com/ytmytm/Pi1551-HAT
The firmware for PI1551 is available here: https://github.com/ytmytm/Pi1551
Code
https://github.com/ytmytm/Pi1551-HAT
Schematic and Layout
PI1551-HAT schematic
RPi_Hat.pdf
Feb 27,2026
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PI1551-HAT
Base PCB for PI1551-HAT for the PI1551 project.
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Published: Feb 27,2026
Standard PCB
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BOM(Bill of materials)
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*PCBWay community is a sharing platform. We are not responsible for any design issues and parameter issues (board thickness, surface finish, etc.) you choose.
Under the
Attribution-ShareAlike (CC BY-SA)
License.
Raspberry Pi 5 7 Inch Touch Screen IPS 1024x600 HD LCD HDMI-compatible Display for RPI 4B 3B+ OPI 5 AIDA64 PC Secondary Screen（Without Speaker）
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