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Plusd

alvaroalea·plusD-clone

Plusd PCB layout, top view — open source board by alvaroalea
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About the Plusd PCB

Plusd is an open source PCB design by alvaroalea, published on GitHub. It is a 2-layer board measuring 99.1 × 99.1 mm, with 58 components from 32 distinct parts.

Other key parts include the WD1772, AT28C256, 6264, GAL20V8 and 74LS06. By type, the board carries 18 capacitors, 12 ICs, 12 resistors, 5 diodes, 4 jumpers and 3 connectors.

It belongs with the test & measurement designs in this gallery.

From the project

Schematic of a clone of the Disk Interface +D for the ZX Spectrum

UNDER LICENSE Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International (CC BY-NC-SA 4.0) - If you remix, transform, or build upon the material, you must distribute your contributions under the same license as the original. - You may not use the material for commercial purposes. - You must give appropriate credit, provide a link to the license, and indicate if changes were made. You may do so in any reasonable manner, but not in any way that suggests the licensor endorses you or your use.

Plusd, from the project README
From the project README

Main components on the Plusd

WD1772AT28C2566264GAL20V874LS0674LS12674LS37474LS17574LS0074LS27GAL22V10L7805

Plusd bill of materials (BOM)

58 components, 32 distinct parts.

QtyPartRefs
1
WD1772
IC1
1
AT28C256
IC2
1
6264
IC3
1
GAL20V8
IC4
1
74LS06
IC5
1
74LS126
IC6
1
74LS374
IC7
1
74LS175
IC8
1
74LS00
IC9
1
74LS27
IC10
1
GAL22V10
IC11
1
L7805
IC12
1
8.000Mhz
Y1
1
ZX_Spectrum_Connector_GENERIC_SORTED
J1
1
Conn_02x17_Odd_Even
J2
1
Conn_02x13_Odd_Even
J3
2
Conn_01x03
JP1, JP2
1
Conn_01x04_Male
JP4
1
Conn_02x02_Odd_Even
JP5
2
SW_DPST_x2
SW1, SW2
Show 12 more
QtyPartRefs
1
SW_DIP_x03
SW3
2
LED
D1, D5
3
1N4148
D2, D3, D4
13
100n
C1, C2, C3, C4, C5, C6, C7, C8 +5
1
33p
C13
3
100u/16 V
C14, C17, C18
1
100p
C15
4
470
R1, R2, R3, R4
3
2K2
R5, R7, R8
2
680
R6, R10
1
270
R9
2
10K
R11, R12

Plusd design files

The KiCad project lives in the alvaroalea/plusD-clone repository on GitHub; these links point at the commit this page was built from.

Plusd: common questions

How big is the Plusd PCB?

The Plusd measures 99.1 × 99.1 mm, has 2 copper layers and is 1.6 mm thick.

How many components are on the Plusd?

58 components, from 32 distinct parts. The full bill of materials is listed on this page.

Where can I download the Plusd design files?

From the alvaroalea/plusD-clone repository on GitHub, which has the KiCad layout; the links under Design files point to each one.

Can I use the Plusd design in my own project?

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

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