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VGA4CPC Brett RevA

BrettHallen·Amstrad-CPC·VGA4CPC_Brett/RevA/VGA4CPC_Brett_RevA.kicad_pcb

VGA4CPC Brett RevA PCB layout, top view — open source RP2040/RP2350 board by BrettHallen

About the VGA4CPC Brett RevA PCB

VGA4CPC Brett RevA is an open source RP2040/RP2350 PCB design by BrettHallen, published on GitHub. It is a 2-layer board measuring 78.7 × 106 mm, with 37 components from 17 distinct parts.

Its main chip is the RASPBERRY PI PICO, from the RP2040/RP2350 family. Other key parts include the TLV3202AID. By type, the board carries 18 resistors, 9 capacitors, 5 connectors, 4 ICs and 1 switch.

From the project

Amstrad CPC related projects

This HTML page will: - Check each line as you type it in - Colourise/capitalise keywords - Highlights missing GOTO/GOSUB targets - Save/load BAS file for resuming where you left off

Of course you would need to de-solder the original ROM and install this, but you wouldn't need to worry about cutting the PCB and wiring up pin 1, and you can just reinstall the original ROM.

VGA4CPC Brett RevA, from the project README
From the project README

Main components on the VGA4CPC Brett RevA

TLV3202AIDRASPBERRY PI PICO

VGA4CPC Brett RevA bill of materials (BOM)

37 components, 17 distinct parts — part numbers from the project's BOM.

QtyPartRefs
3
TLV3202AID
U1, U2, U4
1
RASPBERRY PI PICO
U3
1
+5V IN
J1
1
CPC PLUS AUDIO OUT
J2
1
CPC PLUS VIDEO IN
J3
1
CPC VIDEO IN
J4
1
VFREQ
J5
1
RESET
SW1
1
100NF
100nF
C1
8
100nF
C2, C3, C4, C5, C6, C7, C8, C9
2
1KΩ
R1, R13
2
100Ω
R2, R12
1
68Ω
R3
1
22Ω
R4
3
75Ω
R5, R14, R18
6
220Ω
R6, R8, R9, R11, R15, R17
3
47Ω
R7, R10, R16

VGA4CPC Brett RevA design files

The KiCad project lives in the BrettHallen/Amstrad-CPC repository on GitHub; these links point at the commit this page was built from.

VGA4CPC Brett RevA: common questions

What microcontroller does the VGA4CPC Brett RevA use?

The VGA4CPC Brett RevA is built around the RASPBERRY PI PICO, from the RP2040/RP2350 family.

How big is the VGA4CPC Brett RevA PCB?

The VGA4CPC Brett RevA measures 78.7 × 106 mm, has 2 copper layers and is 1.6 mm thick.

How many components are on the VGA4CPC Brett RevA?

37 components, from 17 distinct parts, with part numbers taken from the project's own BOM. The full bill of materials is listed on this page.

Where can I download the VGA4CPC Brett RevA design files?

From the BrettHallen/Amstrad-CPC repository on GitHub, which has the KiCad layout, the schematic and the BOM; the links under Design files point to each one.

Can I use the VGA4CPC Brett RevA design in my own project?

The repository has no license, so all rights stay with BrettHallen. Use it as a reference, and ask the author before reusing the design.

Can I test firmware for the VGA4CPC Brett RevA without the hardware?

Yes. HardLabs builds a simulation of the board from its netlist and BOM, so you can run and debug RP2040/RP2350 firmware against it before you order a PCB.

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