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C64-Pi1541-Module

tebl·C64-Pi1541-Module

C64-Pi1541-Module layout, top view — open source board by tebl

About the C64-Pi1541-Module

C64-Pi1541-Module is an open source PCB design by tebl, published on GitHub. It is a 2-layer board measuring 65 × 56.5 mm, with 18 components from 16 distinct parts.

Other key parts include the 0.96_I2C_OLED, 7406 and I2C LC. By type, the board carries 5 switches, 4 ICs, 3 resistors, 1 connector, 1 buzzer and 1 diode.

It belongs with the retro computing, displays & leds and dev boards & breakouts designs in this gallery.

From the project

I wanted an alternative to the SD2IEC on my Commodore 64, and I almost instantly took a liking to Pi1541 software. I did however need to design a board for it and this was the end result - even includes beepers, OLEDs and two IEC connectors

Thankfully, some enterprising folks have taken it upon themselves to create a solution based on the Raspberry Pi (3B or newer) and with some extra modifications we all can build one. Personally I prefer clean and nice PCBs over hacked together stuff, so away I went to make one in KiCAD. My design is based on what the original coder of the Pi1541 software has named option B, but given that option A assumes only one device on the serial bus I wanted something that would work with a physical 1541 drive as well (how else am I supposed to backup my old rotting disks?).

C64-Pi1541-Module, from the project README
From the project README

Main components on the C64-Pi1541-Module

0.96_I2C_OLED7406I2C LC

C64-Pi1541-Module bill of materials (BOM)

18 components, 16 distinct parts.

QtyPartRefs
1
0.96_I2C_OLED
IC1
1
7406
IC2
1
I2C LC
IC3
1
0.96_I2C_OLED
IC4
1
RPi_GPIO
J1
1
Buzzer
BZ1
2
C64_IEC
IEC_1, IEC_2
1
Select
SW1
1
Up
SW2
1
Down
SW3
1
Exit
SW4
1
Add Disk
SW5
1
LED
D1
1
100nF
C1
1
100
R1
2
1K
R2, R3

C64-Pi1541-Module design files

The KiCad project lives in the tebl/C64-Pi1541-Module repository on GitHub; these links point at the commit this page was built from.

C64-Pi1541-Module: common questions

How big is the C64-Pi1541-Module?

The C64-Pi1541-Module measures 65 × 56.5 mm, has 2 copper layers and is 1.6 mm thick.

How many components are on the C64-Pi1541-Module?

18 components, from 16 distinct parts. The full bill of materials is listed on this page.

Where can I download the C64-Pi1541-Module design files?

From the tebl/C64-Pi1541-Module repository on GitHub, which has the KiCad layout; the links under Design files point to each one.

Can I use the C64-Pi1541-Module design in my own project?

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

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