2 layers68.8 × 53.6 mm
Relatively Universal ROM Programmer
AndersBNielsen/Relatively-Universal-ROM-Programmer
Hardware to program W27C512 EEPROM or any 24/28/32 pin ROM requiring from 5V to 27V programming voltage.
149 parts257GPL-3.0
2 layers122.9 × 58.2 mm
RPI UNO Shield
bitbank2/RPI_UNO_Shield2A KiCad project for a RPI HAT to use old 8-bit parallel Arduino UNO LCD shields
- Size
- 122.9 × 58.2 mm
- Copper layers
- 2
- Thickness
- 1.6 mm
- Parts
- 13
- Nets
- 53
- Pads
- 130
- Tracks, vias
- 193, 14
- Pours
- 1
- Routed
- Yes
- KiCad
- KiCad 9.0 (file 20241229)
- Created
- 7 Jan 2026
- Updated
- 7 Jan 2026
Overview
RPI UNO Shield is an open-source printed circuit board by bitbank2, from the bitbank2/RPI_UNO_Shield repository on GitHub, published under the Apache-2.0 licence. It is a 2-layer board of 122.9 × 58.2 mm with 13 parts on 53 nets, routed with 193 tracks and 14 vias.
It is built around the ARDUINO UNO R3. It belongs with the AVR (ATmega, ATtiny) boards of this library.
Main components
1README
README.mdRPI Parallel LCD HAT
A PCB to use old Arduino LCD Shields with Raspberry Pi SBCs
Why did you create it?
This project is possible because of the fast, parallel GPIO capability of RPIs (except the RPI5). It allows inexpensive LCD displays to run at higher speeds than are possible with the SPI interface.
Parts
13| Qty | Value | Footprint | References |
|---|---|---|---|
| 8 | SW_Push | Button_Switch_SMD:SW_Push_1P1T_NO_Vertical_Wuerth_434133025816 | BUTTON_A1, BUTTON_B1, DOWN1, LEFT1, RIGHT1, SELECT1, START1, UP1 |
| 2 | R_Pack04_SIP | Resistor_SMD:R_Array_Convex_4x0603 | RN1, RN2 |
| 1 | Arduino_UNO_R3 | Module:Arduino_UNO_R3 | A1 |
| 1 | QWIIC | Connector_JST:JST_SH_SM04B-SRSS-TB_1x04-1MP_P1.00mm_Horizontal | J2 |
| 1 | Raspberry_Pi_2_3 | Module:Raspberry_Pi_Zero_Socketed_THT_FaceDown_MountingHoles | J1 |
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Questions
How big is the RPI UNO Shield PCB?
It measures 122.9 × 58.2 mm and has 2 copper layers, 1.6 mm thick.
What parts does the RPI UNO Shield use?
13 parts, built around the ARDUINO UNO R3. The full list of its parts is on this page, with links to each part's symbol and footprint where PCBKit's library has them.
Where can I download the RPI UNO Shield KiCad files?
From the bitbank2/RPI_UNO_Shield repository on GitHub, at the commit this page was made from: the board is RPI_UNO_Shield.kicad_pcb and its schematic RPI_UNO_Shield.kicad_sch. PCBKit opens the board in the browser, with nothing to install.
Can I use the RPI UNO Shield design in my own project?
Its repository publishes it under the Apache-2.0 licence: you may reuse it on that licence's terms (keep the author's notice, and for a copyleft licence share your changes alike).